# Nano Test vs SweatSense

The clearest difference is update cadence: SweatSense at every 9 days against Nano Test's every 3 weeks. SweatSense also leads on iOS requirement (13.4 vs 15.6). 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.

Nano Test ships an update every 3 weeks, SweatSense every 9 days. The most recent releases landed on October 13, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Nano Test | SweatSense |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Size | 28 MB | 29 MB |
| Requires iOS | 15.6 | **13.4** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [北京卡尤迪医学检验所有限公司](https://appshunter.io/developer/1247756729) | [Shenzhen Rouzhi Sensor Technology Co.,LTD](https://appshunter.io/developer/1838383099) |

## What reviewers say

### Nano Test

[App page](https://appshunter.io/ios/app/nano-test/id6479969530)

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

**In-app purchases:** none


### SweatSense

[App page](https://appshunter.io/ios/app/sweatsense/id6752235653)

**In-app purchases:** none


## Frequently asked questions

### Is Nano Test free?

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

### Is SweatSense free?

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

### Do Nano Test or SweatSense have ads?

Neither Nano Test nor SweatSense shows ads.

### Which is updated more often, Nano Test or SweatSense?

Nano Test ships an update every 3 weeks, and SweatSense every 9 days. Most recently, Nano Test was updated on October 13, 2026 and SweatSense on September 25, 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.*