# VoltTimer vs Aika

The clearest difference is update cadence: Aika at weekly against VoltTimer's every 3 weeks. Aika also leads on iOS requirement (15.0 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. VoltTimer 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.

VoltTimer ships an update every 3 weeks, Aika weekly. The most recent releases landed on September 20, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | VoltTimer | Aika |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Size | 6 MB | 53 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [CherneyWerk LLC](https://appshunter.io/developer/1887149773) | [Mikko Lehtinen](https://appshunter.io/developer/1896021852) |

## What reviewers say

### VoltTimer

[App page](https://appshunter.io/ios/app/volttimer-workout-timer/id6760988281)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VoltTimer Pro | $3.99 | 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 VoltTimer free?

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

### Is Aika free?

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

### Do VoltTimer or Aika have ads?

Neither VoltTimer nor Aika shows ads.

### Which is updated more often, VoltTimer or Aika?

VoltTimer ships an update every 3 weeks, and Aika weekly. Most recently, VoltTimer was updated on September 20, 2026 and Aika 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.*