# Interval Timer HIIT vs Aika

The clearest difference is iOS requirement: Aika at 15.0 against Interval Timer HIIT's 18.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Interval Timer HIIT sells 1 one-off in-app purchase and Aika sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Interval Timer HIIT | Aika |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Weekly |
| Size | 1 MB | 53 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Cosmic Production d.o.o.](https://appshunter.io/developer/1882842325) | [Mikko Lehtinen](https://appshunter.io/developer/1896021852) |

## What reviewers say

### Interval Timer HIIT

[App page](https://appshunter.io/ios/app/interval-timer-hiit/id6760827440)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium — Lifetime | $1.95 | one-time |


### Aika

[App page](https://appshunter.io/ios/app/aika-workout-timer/id6765643812)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Aika Pro Monthly | $1.99 | per month |
| Aika Pro Yearly | $12.99 | per year |


## Frequently asked questions

### Is Interval Timer HIIT free?

Interval Timer HIIT is free to download, with in-app purchases available.

### Is Aika free?

Aika is free to download, with in-app purchases available.

### Do Interval Timer HIIT or Aika have ads?

Neither Interval Timer HIIT nor Aika shows ads.

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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.*