Privacy Policy

Dual Recorder: Dual Camera for iPhone · Effective date and last updated: October 10, 2026

The short version

• Dual Recorder records video and photos on your iPhone. Your recordings, photos and scripts never leave your device unless you save or share them yourself.
• There is no account, no advertising in the App, and no tracking across other companies’ apps and websites. The App never reads the advertising identifier (IDFA).
• The app asks for three permissions: Camera, Microphone and Photos (add only). Each is explained below.
• Captions are written on your iPhone, live while you record or afterwards in the editor. Speech recognition runs entirely on the device; no audio and no transcript is ever sent to us or to anyone else.
• Some technical data does leave your device: purchase and subscription records (Apple and RevenueCat, which also forwards purchase events to Google Analytics), a handful of app events such as finishing onboarding, a first take, a video saved, the paywall shown, a trial started or a subscription started (Meta and TikTok, to measure our ads), basic usage statistics (Google Analytics) and crash reports (Google Firebase Crashlytics). None of it contains your recordings, photos, captions or scripts.
• Questions? Email support@evokey.tech.

1. Who we are

Dual Recorder: Dual Camera (“Dual Recorder”, the “App”) is developed and published by EVOLUTION KEY FOR INFORMATION TECHNOLOGY (“Evolution Key”, “we”, “us” or “our”). We are the data controller for the personal information described in this policy.

You can reach us at support@evokey.tech.

2. What this policy covers

This policy explains what information the App accesses on your iPhone, what is stored, what leaves your device and why, which service providers are involved, and the choices you have. It applies to the App as distributed through the Apple App Store and to any support conversation you have with us about the App.

It does not cover Apple’s own services (the App Store, Apple ID, iCloud, Photos), which are governed by Apple’s Privacy Policy.

3. Device permissions we ask for

iOS asks for your permission before the App can use certain hardware or data. The App requests only the permissions below, only when the related feature needs them, and each one can be changed at any time in iOS Settings › Privacy & Security.

If you decline a permission, the related feature will not work, and the App will show an “Open Settings” shortcut so you can change your choice. The App does not request access to your location, contacts, calendar, health data, Bluetooth, local network, or the advertising identifier (IDFA), and it does not use App Tracking Transparency because it does not track you across apps or websites.

4. Information stored on your device

The following information is created by the App and stored in the App’s private storage on your iPhone.

• Your recordings. Videos, photos and Live Photo clips you capture are kept in the App’s library until you delete them or export them to Photos. They are never uploaded by the App.
• Capture details. A small description of how each item was shot (mode, resolution, frame rate, picture-in-picture layout) so the library and editor can display it.
• Teleprompter scripts. Text you paste into the teleprompter, plus your speed, size and opacity settings. On iPhones with Apple Intelligence, a script you ask the App to write is generated on the device by Apple’s on-device model and is not sent to us.
• Transcripts. The captions of a take, written live while you record or later in the editor, stored beside the recording.
• Media you bring in. A video or photo you pick for React (through the iOS picker, which gives the App only the item you choose and needs no Photos permission), a song you pick from Files for music, and the logo you choose for your mark are copied into the App’s own folder.
• Saved setups. Camera setups you save (mode, layout, window, video shape, what to save, look).
• Settings and preferences. Resolution, frame rate, file format, timer, grid, mirror, language and notification preferences, your onboarding answers, and whether the PRO offer has already been shown this launch.
• Your User ID. On first launch the App generates a random 20-character identifier and shows it in Settings as “User ID”. It is created on your device and is not derived from your name, Apple ID, email or any account. It has two uses: it is the customer identifier the App sends to RevenueCat so your PRO subscription can be recognised (see section 6), and you can quote it in a support email so we can find your purchase. Deleting the App deletes it.

Depending on your iOS backup settings, the App’s data may be included in your encrypted iCloud or computer backups. Those backups are controlled by you and Apple, not by us.

5a. Captions and speech recognition

When you turn on live captions while recording, or ask the App to write captions for a recording in the editor, it uses Apple’s on-device speech recognition to turn the sound into text. The audio and the resulting transcript never leave your iPhone. The transcript is stored beside the recording in the App’s own folder and is deleted when you delete the recording. The App asks for the Speech Recognition permission the first time you use the feature, and you can refuse it or withdraw it at any time in iOS Settings — everything else in the App continues to work without it.

5. Information that leaves your device

The App has no server of its own and does not upload your content. The technical data below is sent from the App to service providers, and each category is described in full in the sections that follow:

1. Subscription and purchase data sent to Apple and RevenueCat so that Dual Recorder PRO can be sold, validated, restored and managed (section 6).
2. App events and usage statistics sent to Meta, TikTok and Google Analytics so we can measure our advertising and understand how the App is used (section 7).
3. Crash reports sent to Google Firebase Crashlytics when the App crashes or hits an unrecoverable error, so we can find and fix bugs (section 8).

None of these categories includes your videos, photos, Live Photos, captions, teleprompter text, name or contact details.

Two features send something only when you use them: Post opens TikTok, Instagram or YouTube with the clip you chose, after which that app’s own policy applies; and if you enter a link resolver address in Settings and paste a web link in React, the App sends that link to the server at the address you entered to fetch the video.

6. Dual Recorder PRO and in-app purchases

Dual Recorder is free to download and contains no advertising. Free exports are saved in HD with a small Dual Recorder watermark; Dual Recorder PRO, an optional auto-renewing subscription offered in weekly and yearly plans, exports at full size with no watermark and unlocks additional tools. We use Apple to process payment and RevenueCat, Inc. to validate purchases and keep track of which subscription is active.

What Apple handles

• All payments are made through the Apple App Store using your Apple ID. We never receive or store your credit card number, bank details or billing address.
• Purchase history, refunds and subscription cancellation are managed in your Apple ID settings and are subject to Apple’s Media Services Terms and Apple’s Privacy Policy.

What RevenueCat receives

When the App starts, it configures the RevenueCat software development kit with your User ID and asks RevenueCat’s servers for your current subscription status and the prices to display. When you buy, renew or restore PRO, the App sends the App Store receipt to RevenueCat, which verifies it with Apple and unlocks PRO on your devices. RevenueCat therefore processes:

• your User ID (the random identifier described in section 4);
• purchase information from the App Store receipt: product identifier, transaction identifiers, purchase, renewal and expiry dates, whether the purchase is a trial, and whether it was refunded;
• basic device and app information needed to validate purchases and show the right prices: device model, iOS version, app version, locale and storefront country.

RevenueCat does not receive your name, email address, Apple ID or payment details, and it does not receive your recordings. RevenueCat acts as our processor and stores this data on servers in the United States under its Privacy Policy and data-processing terms. We use RevenueCat’s dashboard to look up a customer by User ID when you ask us for help with a purchase, and to see aggregate subscription statistics.

RevenueCat also forwards purchase events (for example a purchase, a trial start, a renewal or a cancellation) to Google Analytics, addressed to the App’s Google Analytics instance identifier, which the App stores on your RevenueCat customer record for that purpose (see section 7).

Subscribers can open “Manage subscription” in the App’s Settings, which shows RevenueCat’s Customer Center for cancelling, restoring, changing plan or requesting a refund; refund requests are passed to Apple.

7. App events and analytics

To learn whether our advertising works and how the App is used, the App sends a small set of events to three services. None of them receives your recordings, photos, captions, scripts, name or contact details, and none is used to track you across other companies’ apps and websites.

Meta and TikTok app events

The App uses the Meta (Facebook) SDK and the TikTok Business SDK to report these events, and no others: onboarding finished, first take recorded, a video saved to Photos, the PRO offer shown, a free trial started and a subscription started. With each event the SDKs send an identifier for this installation, the device model, iOS version, App version and the IP address of the connection. Collection of the advertising identifier is switched off, the App shows no App Tracking Transparency prompt, and the Meta SDK’s limit-event-and-data-usage setting is on, so the events are used to measure our own campaigns (through Apple’s SKAdNetwork) and not to build advertising audiences.

Google Analytics for Firebase

The App includes Google Analytics for Firebase without advertising-identifier support, with ad storage, ad user data and ad personalisation denied by default. It records automatic events such as the first open, app opens, sessions and screen views, together with an app instance identifier, device model, iOS version, App version and an approximate location (country and city) that Google derives from the IP address. RevenueCat adds purchase events to the same property, as described in section 6.

Because these events carry per-installation identifiers, and the Google Analytics identifier is stored on your RevenueCat customer record, they can be linked to this installation of the App, but not to your name, email or Apple ID.

8. Crash reports

The App uses Firebase Crashlytics, a crash-reporting service provided by Google LLC, so that we learn when the App crashes and can fix the cause.

A crash report is generated only when the App crashes or encounters an unrecoverable error. It is sent to Google on the next launch and contains:

• the technical stack trace and the App’s internal state at the time of the crash;
• device model, iOS version, orientation, available memory and disk space, and whether the device is jailbroken;
• the App version and build number, and the time of the crash;
• a random Crashlytics installation identifier that is unique to this installation of the App and is reset when you reinstall it.

Crash reports do not contain your recordings, photos, teleprompter text, your User ID, your name, or any contact details, and we do not attach any custom identifiers to them. Google processes crash data on our behalf under the Firebase Privacy and Security terms and the Google Privacy Policy, and retains crash reports for a limited period (currently 90 days). Crash reporting cannot be switched off inside the App at present; if you object to it, contact us and we will help.

9. Information we do not collect

To be explicit, the App does not:

• require or offer an account, sign-in or registration;
• collect your name, email address, phone number or any contact information (unless you email us, see Support requests);
• show advertisements of any kind;
• upload, back up or stream your recordings, photos or scripts to any server;
• use location services or collect your precise location (Google Analytics estimates only a country and city from the IP address, see section 7);
• read the advertising identifier (IDFA) or track you across other companies’ apps and websites;
• sell, rent or share personal information with data brokers or advertisers.

10. Support requests

If you contact us at support@evokey.tech (including through the “Bug Report” and support links in Settings, or the contact option in the Customer Center), we will receive your email address, the contents of your message and any details you choose to include, such as your device model, iOS version or your User ID.

We use this information only to respond to you, fix problems and improve the App. We keep support correspondence for as long as needed to resolve your request and to meet legal obligations, after which it is deleted. We do not add you to marketing lists.

11. Third-party services

The App shows no advertising. These are the only third parties that receive data from the App:

Some buttons in Settings open other apps on your device, for example your mail app to contact us, the App Store to see our other apps or rate the App, or iOS Settings to change permissions. Once you leave the App, the privacy policy of that app or service applies.

12. Data retention and deletion

Because your content lives on your device, you are in control of it:

• Delete individual recordings from the App’s library (single or multi-select).
• Delete exported items from the Photos app; the App keeps no copy of items you export unless they also remain in the App’s library.
• Delete everything on the device, including settings, scripts and your User ID, by deleting the App from your iPhone.

Data held by our service providers is retained as follows:

• RevenueCat keeps the customer record for your User ID for as long as it is needed to honour your subscription. You can ask us to delete it at any time by emailing your User ID to support@evokey.tech; we will delete the record from RevenueCat. Your purchase remains in your Apple ID account and can still be restored through the App Store.
• Google Crashlytics retains crash reports for a limited period, currently 90 days, after which they are deleted automatically.
• Google Analytics keeps event data for the retention period set on our property, at most 14 months, and reports only in aggregate after that.
• Meta and TikTok keep app event data under their own retention policies, linked to the policies in section 11.
• Support emails are retained as described in section 10. You may ask us to delete them at any time.

13. Security

Your recordings and settings are stored in the App’s private sandbox, which iOS protects with the same device encryption and passcode or Face ID protection as the rest of your phone. The technical data sent to Apple, RevenueCat, Google, Meta and TikTok is transmitted over encrypted connections (HTTPS), and those providers maintain their own security programmes. No system is perfectly secure, so we cannot guarantee absolute security, but we limit what leaves your device to the minimum needed to run the App.

14. Children’s privacy

The App is rated 4+ on the App Store and does not contain objectionable content, but it is not directed at children under 13 (or the equivalent minimum age in your country), and we do not knowingly collect personal information from children. The technical data described in this policy is not linked to a child’s identity. If you believe a child has sent us personal information by email, contact us and we will delete it.

15. Your privacy rights

Depending on where you live (for example under the EU/UK GDPR, the California Consumer Privacy Act, or similar laws), you may have the right to access, correct, delete, restrict or port your personal information, to object to certain processing, to withdraw consent, and to lodge a complaint with a supervisory authority.

Because the App keeps your content on your device, you can exercise most of these rights directly: view, export or delete your data inside the App or by deleting the App. For data held by RevenueCat, Google Analytics or in support emails, write to support@evokey.tech with your User ID and we will respond within the time required by applicable law. We do not sell personal information. App events go to Meta and TikTok only to measure our own campaigns, with the Meta SDK’s limit-event-and-data-usage setting on, and are not used to build advertising audiences; if you would rather they were not sent at all, write to us. We do not discriminate against you for exercising your rights.

Our legal bases under the GDPR are: performance of our contract with you (providing the App and the PRO subscription), our legitimate interest in keeping the App stable and secure (crash reports), in understanding how the App is used and measuring our advertising (app events and analytics), and in responding to you (support), and compliance with legal obligations.

16. International transfers

Your recordings and settings stay on your device and are not transferred across borders by us. RevenueCat, Google, Meta and TikTok process the technical data described above on servers that may be located outside your country, including in the United States. These providers offer contractual safeguards for international transfers, such as the EU Standard Contractual Clauses, and Google participates in the EU-US Data Privacy Framework. If you email us, your message may be processed in the country where we or our email provider operate.

17. Changes to this policy

If we add a feature that changes how the App handles data (for example optional notifications or cloud backup), we will update this policy, change the date at the top, and where required ask for your permission inside the App before the new feature is used. Continued use of the App after an update means you accept the revised policy.

18. Contact us

For any question, request or complaint about privacy:

EVOLUTION KEY FOR INFORMATION TECHNOLOGY
Email: support@evokey.tech

See also our Terms & Conditions.