# KI vs Rally Estonia

The clearest difference is iOS requirement: KI at 12.2 against Rally Estonia's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | KI | Rally Estonia |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 12 MB | 76 MB |
| Requires iOS | **12.2** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Karolinska Institutet](https://appshunter.io/developer/969523861) | [ESTONIAN AUTOSPORT EVENTS MTU](https://appshunter.io/developer/1561040374) |

## What reviewers say

### KI

[App page](https://appshunter.io/ios/app/ki-diary/id1536412016)

**Features:** macOS Compatibility

**In-app purchases:** none


### Rally Estonia

[App page](https://appshunter.io/ios/app/rally-estonia/id1570143080)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KI free?

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

### Is Rally Estonia free?

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

### Do KI or Rally Estonia have ads?

Neither KI nor Rally Estonia shows ads.

### Which is updated more often, KI or Rally Estonia?

KI ships an update every 3 weeks, and Rally Estonia every 3 weeks. Most recently, KI was updated on October 25, 2026 and Rally Estonia on October 27, 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.*