# Karakeep App vs Synctrain

The clearest difference is review sentiment: Synctrain at 91% against Karakeep App's 69%. Synctrain also leads on rating (4.9 vs 4.6). On price, ratings volume, update cadence and ads there is nothing between them.

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 4.6. Both are backed by a comparable volume of ratings — 43 and 123 respectively. Written reviews point the same way: 69% of Karakeep App's written reviews are positive against 91% of Synctrain's.

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on September 21, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Karakeep App | Synctrain |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (43 ratings)](https://appshunter.io/ios/app/karakeep-app/id6479258022/reviews) | **[4.9 (123 ratings)](https://appshunter.io/ios/app/synctrain/id6553985316/reviews)** |
| Number of ratings | 43 | **123** |
| Positive reviews | 68.8% of reviews | **91.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Monetization | Free | Free |
| Size | 64 MB | 33 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone, iPad, Mac | iPhone, iPad, Mac |
| Age rating | 17+ | 4+ |
| Developer | [Mohamed Bassem](https://appshunter.io/developer/1735323299) | [T-Shaped](https://appshunter.io/developer/1758051723) |

## What reviewers say

### Karakeep App

[App page](https://appshunter.io/ios/app/karakeep-app/id6479258022)

Effortlessly save links, notes, and images with automatic AI-powered tagging for quick retrieval. Search through all your saved content, including link contents, at blazing fast speeds. Organize your saved items into custom lists and share content from any app.

**Highlights:** Automatic AI tagging, Full-text search, Custom lists, Sharing extension, Save links, notes, and images

**Features:** Vision Pro support

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Karakeep App free?

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

### Is Synctrain free?

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

### Which has better reviews, Karakeep App or Synctrain?

Synctrain is rated higher. Karakeep App averages 4.6 out of 5 from 43 ratings, while Synctrain averages 4.9 from 123 ratings.

### Do Karakeep App or Synctrain have ads?

Neither Karakeep App nor Synctrain shows ads.

### Which is updated more often, Karakeep App or Synctrain?

Karakeep App ships an update every 6 weeks, and Synctrain every 6 weeks. Most recently, Karakeep App was updated on September 21, 2026 and Synctrain on September 24, 2026.

---

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