For issues or feature requests, email sophisheng@gmail.com.
Please include your device model, iOS version, source file format and approximate size, and the conversion settings you chose — these greatly speed up diagnosis. Using Settings → Contact Us inside the app fills in the first two automatically.
Are my files uploaded anywhere?
No. Conversion happens entirely on your device, and it works in airplane mode. The only part of the app that talks to a server is purchase validation — your files are never involved. See the Privacy Policy.
Where do converted files go?
You can save to your photo library or share directly from the completion screen. Output is also kept inside the app under History and is automatically deleted after 30 days.
Why does progress stop when I switch to another app?
iOS does not allow apps to use the hardware video encoder in the background, so video transcoding and compression pause automatically when you leave the app, and a notification reminds you. Returning to the app resumes from where it paused. Format conversion (no re-encoding), audio extraction, GIF, and image processing are not affected.
I get a "not enough storage" message
Conversion needs extra space for the output file. Free up some space in Settings → General → iPhone Storage, then try again.
My compressed file slightly exceeds the target size
The app solves for a bitrate from your target size with a safety margin and automatically re-encodes once if the result overshoots. Extreme sources (high motion, long duration) may still deviate slightly — selecting the next size down usually fixes it.
Converting an iCloud video is slow
If "Optimize iPhone Storage" is enabled, the original may still be in iCloud and must be downloaded before conversion. Large videos can take several minutes depending on your connection.
Why is only the beginning of my video in the GIF?
GIF is a frame-by-frame bitmap format, so long videos produce enormous files. This version caps duration to keep the output usable.
How does the free allowance work?
You get 3 conversions per day for free, with no limit on file size or duration. Free output is byte-for-byte the same as paid output — no watermark, no reduced quality. Pro removes the daily limit.
I paid before — how do I get Pro back?
Open Settings → Restore Purchases and sign in with the same Apple Account you bought with. This also covers reinstalling the app or moving to a new device.
How do I change the language or use dark mode?
Go to Settings → Display inside the app to switch language (System / 简体中文 / English) and appearance (System / Light / Dark).