Token2 Companion vs Synctrain
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Token2 Companion
This app allows you to use FIDO2 security keys for TOTP profiles on iOS devices via NFC or USB. You can also configure FIDO settings and manage passkey records.
- Use FIDO2 keys as TOTP tokens
- Configure FIDO settings
- Manage passkey records
- NFC and USB connectivity
- iOS device support
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TOKEN2 Companion app is a tool to leverage the use of TOKEN2 FIDO2 security keys beyond standard FIDO2/WebAuthn functionality. The app enables you to set and use TOTP profiles on an iOS device, via NFC (iPhones only) or USB. The app also allows configuring FIDO settings and manage passkey records. USB via iOS (iPhone or iPad) is only supported with Release3 or newer keys.
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.
Screenshots
Verdict
The clearest difference is ratings volume: Synctrain at 142 against Token2 Companion's 1. Synctrain also leads on review sentiment (89% vs 75%) and update cadence (every 6 weeks vs every 3 months). 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 — 5.0 for Token2 Companion against 4.9 for Synctrain. That said, the two scores are not equally well evidenced: Synctrain has 142 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 75% of Token2 Companion's written reviews are positive against 89% of Synctrain's.
Token2 Companion ships an update every 3 months, Synctrain every 6 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.
| Parameter | Token2 Companion | Synctrain |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.9 (142 ratings) |
| Positive reviews | 75.0% of reviews | 89.5% of reviews — better |
| Number of ratings | 1 | 142 — better |
| Update frequency | Every 3 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, Mac — better |
| Requires iOS | 16.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 18 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | TOKEN2 MULTIFACTOR AUTHENTICATION PRODUCTS AND SERVICES LTD | T-Shaped |
Customer experience
Token2 Companion
Synctrain
Bugs and requests
Token2 Companion
Not enough reviews yet to summarise bugs or 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
In-app purchases
Token2 Companion
No in-app purchases
Synctrain
No in-app purchases
Questions
Is Token2 Companion free?
Is Synctrain free?
Which has better reviews, Token2 Companion or Synctrain?
Do Token2 Companion or Synctrain have ads?
Which is updated more often, Token2 Companion or Synctrain?
Other comparisons
