Synctrain vs Open Scanner
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.
Open Scanner
Transform your device into a powerful document scanner. Quickly capture papers, automatically recognize text, and organize your scans with AI-powered features. Seamlessly share and edit your documents in various formats.
- Automatic text recognition (OCR)
- Automatic document naming
- Location-based tagging
- Add saved signatures
- Organize and re-order pages
- iCloud sync
- Annotate and edit scans
- Export as PDF
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Open Scanner is a fast and simple-to-use paper-scanning app with AI features to speed up your scanning workflow: - Automatic text recognition to build page transcript - Automatic document naming - Scans are tagged by your current location - Add signatures saved on your other devices - Native Vision Pro support - Keep your scanned documents in the Open Scanner library - Organize and re-order scanned document pages - iCloud syncs your library to all your devices - Annotate and edit your scans - Use Apple Pencil to mark up scans on iPad - Easy sharing and export of scanned documents as PDF - 100% native iOS app, with no third-party accounts necessary
Screenshots
Verdict
The clearest difference is update cadence: Open Scanner at every 10 days against Synctrain's every 6 weeks. Synctrain's advantage is rating (4.9 vs 4.7) and device support (3 vs 1). On price, review sentiment, ratings volume and ads 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.
Synctrain holds the better App Store score, 4.9 against 4.7. Both are backed by a comparable volume of ratings — 123 and 192 respectively. Written reviews point the same way: 89% of Synctrain's written reviews are positive against 83% of Open Scanner's.
Synctrain ships an update every 6 weeks, Open Scanner every 10 days. The most recent releases landed on October 15, 2026 and October 14, 2026 respectively.
| Parameter | Synctrain | Open Scanner |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (123 ratings) — better | 4.7 (192 ratings) |
| Positive reviews | 89.5% of reviews — better | 83.3% of reviews |
| Number of ratings | 123 | 192 — better |
| Update frequency | Every 6 weeks | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, Mac — better | iPhone |
| Requires iOS | 17.0 | 16.0 — better |
| Further details — not scored | ||
| Size | 33 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | T-Shaped | Pencil Research |
Customer experience
Synctrain
Open Scanner
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
Open Scanner
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Synctrain
No in-app purchases
Open Scanner
No in-app purchases
