# Simple Interval Timer vs Aika

The clearest difference is device support: Aika at 3 against Simple Interval Timer's 1. Aika also leads on iOS requirement (15.0 vs 17.6). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Simple Interval Timer sells 2 in-app purchases, starting at $0.99 per month 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.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Simple Interval Timer | Aika |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Size | 23 MB | 53 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [阳 童](https://appshunter.io/developer/1782546459) | [Mikko Lehtinen](https://appshunter.io/developer/1896021852) |

## What reviewers say

### Simple Interval Timer

[App page](https://appshunter.io/ios/app/simple-interval-timer-flexy/id6742375743)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $0.99 | per month |
| Yearly Premium | $4.99 | per year |


### 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 Simple Interval Timer free?

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

### Is Aika free?

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

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

Neither Simple Interval Timer nor Aika shows ads.

### Which is updated more often, Simple Interval Timer or Aika?

Simple Interval Timer ships an update weekly, and Aika weekly. Most recently, Simple Interval Timer was updated on October 28, 2026 and Aika on October 31, 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.*