# Tchin vs LifeSampling

The clearest difference is iOS requirement: LifeSampling at 8.0 against Tchin's 15.6. On price, update cadence, 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.

Tchin ships an update every 3 weeks, LifeSampling every 6 weeks. The most recent releases landed on October 7, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Tchin | LifeSampling |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Size | 37 MB | 47 MB |
| Requires iOS | 15.6 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Philippe Bonsang](https://appshunter.io/developer/1116487532) | [Université de Liège](https://appshunter.io/developer/1464882178) |

## What reviewers say

### Tchin

[App page](https://appshunter.io/ios/app/tchin/id1116487533)

**Features:** macOS Compatibility

**In-app purchases:** none


### LifeSampling

[App page](https://appshunter.io/ios/app/lifesampling/id1533851061)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Tchin free?

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

### Is LifeSampling free?

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

### Do Tchin or LifeSampling have ads?

Neither Tchin nor LifeSampling shows ads.

### Which is updated more often, Tchin or LifeSampling?

Tchin ships an update every 3 weeks, and LifeSampling every 6 weeks. Most recently, Tchin was updated on October 7, 2026 and LifeSampling on October 2, 2026.

---

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