HeroSMS — Temporary Numbers
LYNIC SYSTEM LIMITEDTravel
Not available on the App Store in the United States.
On iPhone Duo
Letterboxed
HeroSMS — Temporary Numbers runs in an iPhone-sized window with black bars.What owners report
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Version history
- Version 1.0.11Letterboxed
iOS 26.4 SDK
Checked Nov 5, 2026
Sources
- App Store build, version 1.0.11
Built with the iOS 26.4 SDK. Uses none of Apple’s iPhone Duo APIs.
- Apple Developer: Prepare your app for iPhone Duo