# TB Kar Kwe App vs StudySync

The clearest difference is update cadence: StudySync at fortnightly against TB Kar Kwe App's every 13 months. TB Kar Kwe App's advantage is iOS requirement (15.6 vs 18.5). 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.

TB Kar Kwe App ships an update every 13 months, StudySync fortnightly. The most recent releases landed on October 26, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | TB Kar Kwe App | StudySync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/studysync-snyder-lab/id6756796122/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Fortnightly** |
| Monetization | — | Free |
| Size | 36 MB | 43 MB |
| Requires iOS | **15.6** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Columbia University](https://appshunter.io/developer/405514802) | [Stanford University](https://appshunter.io/developer/292922032) |

## What reviewers say

### TB Kar Kwe App

[App page](https://appshunter.io/ios/app/tb-kar-kwe-app/id6446500732)

**Features:** macOS Compatibility

**In-app purchases:** none


### StudySync

[App page](https://appshunter.io/ios/app/studysync-snyder-lab/id6756796122)

This mobile application serves as the companion for a specific research study. Participants must be pre-enrolled to use its features. It is developed by the Snyder Lab at Stanford University.

**Highlights:** Research study participation, Onboarding required, Stanford University developed, Mobile companion app

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

**In-app purchases:** none


## Frequently asked questions

### Is TB Kar Kwe App free?

TB Kar Kwe App is free to download, with no in-app purchases.

### Is StudySync free?

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

### Do TB Kar Kwe App or StudySync have ads?

Neither TB Kar Kwe App nor StudySync shows ads.

### Which is updated more often, TB Kar Kwe App or StudySync?

TB Kar Kwe App ships an update every 13 months, and StudySync fortnightly. Most recently, TB Kar Kwe App was updated on October 26, 2026 and StudySync on October 28, 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.*