JonGrow vs ffmpeg
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
JonGrow
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Witnessing is the best gift you can give your child. Children grow up so quickly, and the joy of seeing them grow taller shouldn't just remain in our memories. JonGrow is dedicated to recording every key milestone in a child's growth in the simplest way possible.
ffmpeg
This app provides a local workbench for audio and video processing on iPhone and iPad. It allows users to convert video to audio, change audio formats, compress videos, crop clips, adjust volume, and view media information using FFmpeg commands.
- Video to audio conversion
- Audio format conversion
- Video compression
- Clip cropping
- Volume adjustment
- Media information viewing
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FFmpeg Workbench is a local audio and video processing tool that runs on iPhone and iPad, suitable for users who need to perform video to audio conversion, audio format conversion, video compression, clip cropping, volume adjustment, and media information viewing. If you have any questions during use, please contact us at 2524931333@qq.com The App has a built-in FFmpeg command-line workbench. You can import videos, audios or folders in the app sandbox workspace and process files using FFmpeg commands similar to those on the desktop. For instance, extract MP4 videos to MP3 audio, convert audio to WAV, compress video size, crop specified segments, or use ffprobe to view file encoding, duration, resolution, bit rate and other information.
Screenshots
Verdict
JonGrow and ffmpeg are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly fortnightly. Both last shipped on September 30, 2026.
| Parameter | JonGrow | ffmpeg |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.8 (5 ratings) — better |
| Positive reviews | — | 50.0% of reviews |
| Number of ratings | — | 5 — better |
| Update frequency | Fortnightly | Fortnightly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.6 | 17.0 — better |
| Further details — not scored | ||
| Size | 11 MB | 29 MB |
| Age rating | 9+ | 4+ |
| Developer | PuffinStudio | Liuan Pipi Network Technology Co., Ltd. |
In-app purchases
JonGrow
No in-app purchases
ffmpeg
No in-app purchases
