# CompuTime vs AirHeater

The clearest difference is price: AirHeater at Free against CompuTime's $1.99. AirHeater also leads on iOS requirement (13.0 vs 15.6). On update cadence, ads, in-app purchases and device support there is nothing between them.

AirHeater is free to download; CompuTime costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

CompuTime ships an update every 6 months, AirHeater every 5 months. The most recent releases landed on October 4, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | CompuTime | AirHeater |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 months** |
| Size | 3 MB | 11 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bevan TING](https://appshunter.io/developer/1154765741) | [力 李](https://appshunter.io/developer/1787815453) |

## What reviewers say

### CompuTime

[App page](https://appshunter.io/ios/app/computime/id1155019324)

**In-app purchases:** none


### AirHeater

[App page](https://appshunter.io/ios/app/airheater/id6748662396)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CompuTime free?

CompuTime costs $1.99, with no in-app purchases.

### Is AirHeater free?

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

### Do CompuTime or AirHeater have ads?

Neither CompuTime nor AirHeater shows ads.

### Which is updated more often, CompuTime or AirHeater?

CompuTime ships an update every 6 months, and AirHeater every 5 months. Most recently, CompuTime was updated on October 4, 2026 and AirHeater on October 10, 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.*