# RN DocSync vs SmartTrain

The clearest difference is update cadence: SmartTrain at every 5 weeks against RN DocSync's every 12 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

RN DocSync ships an update every 12 months, SmartTrain every 5 weeks. The most recent releases landed on September 10, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | RN DocSync | SmartTrain |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 5 weeks** |
| Size | 34 MB | 100 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [EDITH GmbH & Co. KG](https://appshunter.io/developer/1159057644) | [Klein Sergej](https://appshunter.io/developer/1634179640) |

## What reviewers say

### RN DocSync

[App page](https://appshunter.io/ios/app/rn-docsync/id1159057645)

**Features:** macOS Compatibility

**In-app purchases:** none


### SmartTrain

[App page](https://appshunter.io/ios/app/smarttrain/id1634179638)

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

**In-app purchases:** none


## Frequently asked questions

### Is RN DocSync free?

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

### Is SmartTrain free?

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

### Do RN DocSync or SmartTrain have ads?

Neither RN DocSync nor SmartTrain shows ads.

### Which is updated more often, RN DocSync or SmartTrain?

RN DocSync ships an update every 12 months, and SmartTrain every 5 weeks. Most recently, RN DocSync was updated on September 10, 2026 and SmartTrain on September 9, 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.*