Synctrain vs Sternly
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Synctrain
Securely synchronize files and folders between your devices. Stream audio and video directly from other devices. Manage file sharing permissions to control access to your data.
- Secure file synchronization
- Full folder synchronization
- Specific file selection
- Audio and video streaming
- Cross-device file mirroring
- Customizable sharing permissions
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With Synctrain you can securely synchronize files with other devices that have Syncthing installed. You can choose to synchronize full folders, or choose specific files. With Synctrain you can also stream audio and video files from other devices. When you synchronize files, all changes, including deleting files, also happen on your other devices. Do not use Synctrain for back-up purposes, and always keep a back-up of your data. You decide with which devices you share which files. This also means the app makers cannot help you access or recover any lost files. This app is powered by Syncthing. This app is however not associated with or endorsed by Syncthing nor its developers. Please do not expect support from the Syncthing developers. Instead, contact the maker of this app if you have questions.
Sternly
Build and maintain positive habits with a focus on daily consistency. Track progress, grow streaks, and stay motivated through a simple, no-fluff interface. Unlock achievements and utilize a library of pre-set or custom habits.
- Daily habit tracking
- Streak tracking
- Progress calendar
- Achievements
- Habit library
- Custom habits
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Sternly helps you build the habits that matter — and actually stick to them. Pick the habits you want to master. Check them off every day. Watch your streaks grow. Stay motivated with progress tracking, achievements, and a daily score that keeps you honest. No fluff. No overwhelm. Just you, your habits, and the discipline to show up every single day. FEATURES - Track your daily habits — start small, grow over time - Daily score and completion ring - Streak tracking — never break the chain - Weekly, monthly and all-time progress calendar - 28 achievements to unlock - 50+ habit library across 5 categories - Create custom habits with your own icons
Screenshots
Verdict
The clearest difference is ratings volume: Synctrain at 123 against Sternly's 1. Synctrain also leads on update cadence (every 6 weeks vs every 5 months). Sternly's advantage is iOS requirement (15.1 vs 17.0). On price, rating, ads and in-app purchases there is nothing between them.
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.
On the App Store both sit at effectively the same score — 4.9 for Synctrain against 5.0 for Sternly. That said, the two scores are not equally well evidenced: Synctrain has 123 ratings behind it against 1, so its average is the more settled of the two.
Synctrain ships an update every 6 weeks, Sternly every 5 months. The most recent releases landed on October 15, 2026 and October 1, 2026 respectively.
| Parameter | Synctrain | Sternly |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (123 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 89.5% of reviews | — |
| Number of ratings | 123 — better | 1 |
| Update frequency | Every 6 weeks — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Requires iOS | 17.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 33 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | T-Shaped | Sambodh Choudhary |
Customer experience
Synctrain
Sternly
Bugs and requests
Synctrain
Reported bugs
2 issues- Occasional app crashes
- Sync delays on some devices
Requested features
2 requests- Direct photo/video sync to remote devices
- Faster initial connection to server
Sternly
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Synctrain
No in-app purchases
Sternly
No in-app purchases
