# Synctrain vs Sternly

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.

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.

## The numbers

| Metric | Synctrain | Sternly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (123 ratings)](https://appshunter.io/ios/app/synctrain/id6553985316/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sternly-habit-tracker/id6760988053/reviews)** |
| Number of ratings | **123** | 1 |
| Positive reviews | 89.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 5 months |
| Monetization | Free | Free |
| Size | 33 MB | 36 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [T-Shaped](https://appshunter.io/developer/1758051723) | [Sambodh Choudhary](https://appshunter.io/developer/1887163683) |

## What reviewers say

### Synctrain

[App page](https://appshunter.io/ios/app/synctrain/id6553985316)

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.

**Highlights:** Secure file synchronization, Full folder synchronization, Specific file selection, Audio and video streaming, Cross-device file mirroring, Customizable sharing permissions

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Intuitive interface
- 🚀 Seamless sync between devices
- 🔓 Open-source and free
- 💡 Integrates with iOS Files app

**What reviewers complain about**

- 🐛 Occasional connection issues
- 🔍 Could use more Apple-like design

**Reported bugs**

- Occasional app crashes
- Sync delays on some devices

**Requested features**

- Direct photo/video sync to remote devices
- Faster initial connection to server


### Sternly

[App page](https://appshunter.io/ios/app/sternly-habit-tracker/id6760988053)

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.

**Highlights:** Daily habit tracking, Streak tracking, Progress calendar, Achievements, Habit library, Custom habits

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Synctrain free?

Synctrain is free to download, with no in-app purchases.

### Is Sternly free?

Sternly is free to download, with no in-app purchases.

### Which has better reviews, Synctrain or Sternly?

Sternly is rated higher. Synctrain averages 4.9 out of 5 from 123 ratings, while Sternly averages 5.0 from 1 ratings.

### Do Synctrain or Sternly have ads?

Neither Synctrain nor Sternly shows ads.

### Which is updated more often, Synctrain or Sternly?

Synctrain ships an update every 6 weeks, and Sternly every 5 months. Most recently, Synctrain was updated on October 15, 2026 and Sternly on October 1, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*