# Erovirasto vs Aika

The clearest difference is in-app purchases: Erovirasto at none against Aika's 2. Aika's advantage is update cadence (weekly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Aika sells 2 in-app purchases, starting at $1.99 per month. Erovirasto asks for nothing beyond the download.

Erovirasto ships an update every 2 months, Aika weekly. The most recent releases landed on September 19, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Erovirasto | Aika |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Size | 65 MB | 52 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Suomen Syöpäyhdistys - Cancerföreningen i Finland ry](https://appshunter.io/developer/1544571593) | [Mikko Lehtinen](https://appshunter.io/developer/1896021852) |

## What reviewers say

### Erovirasto

[App page](https://appshunter.io/ios/app/erovirasto/id1552349234)

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

**In-app purchases:** none


### 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 Erovirasto free?

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

### Is Aika free?

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

### Do Erovirasto or Aika have ads?

Neither Erovirasto nor Aika shows ads.

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

Erovirasto ships an update every 2 months, and Aika weekly. Most recently, Erovirasto was updated on September 19, 2026 and Aika on September 23, 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.*