# TouchGUI vs calera

The clearest difference is update cadence: TouchGUI at every 6 weeks against calera's every 4 months. TouchGUI also leads on iOS requirement (9.0 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.

TouchGUI ships an update every 6 weeks, calera every 4 months. The most recent releases landed on October 9, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | TouchGUI | calera |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 4 months |
| Monetization | Free | — |
| Size | 174 MB | 6 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Baymore.China.Ltd.](https://appshunter.io/developer/1549653106) | [greenteg AG](https://appshunter.io/developer/1510577388) |

## What reviewers say

### TouchGUI

[App page](https://appshunter.io/ios/app/touchgui/id1569956411)

Track your workouts and sleep with detailed analysis. Syncs data from smartwatches to Apple Health, including steps and calories burned.

**Highlights:** Exercise data records, Sleep analysis, Exercise analysis, Smartwatch data sync, Apple Health integration

**In-app purchases:** none


### calera

[App page](https://appshunter.io/ios/app/calera-core-body-temp/id1631750185)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TouchGUI free?

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

### Is calera free?

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

### Do TouchGUI or calera have ads?

Neither TouchGUI nor calera shows ads.

### Which is updated more often, TouchGUI or calera?

TouchGUI ships an update every 6 weeks, and calera every 4 months. Most recently, TouchGUI was updated on October 9, 2026 and calera on October 13, 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.*