# Rallycheck vs KLM Open

The clearest difference is ads: Rallycheck at none against KLM Open's shown. Rallycheck also leads on update cadence (every 2 weeks vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Rallycheck ships an update every 2 weeks, KLM Open every 2 months. The most recent releases landed on September 11, 2026 and May 17, 2026 respectively.

## The numbers

| Metric | Rallycheck | KLM Open |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Size | 31 MB | 93 MB |
| Requires iOS | **15.6** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [iSource BV](https://appshunter.io/developer/543882375) | [TIG Sports B.V.](https://appshunter.io/developer/447757216) |

## What reviewers say

### Rallycheck

[App page](https://appshunter.io/ios/app/rallycheck/id1475777408)

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

**In-app purchases:** none


### KLM Open

[App page](https://appshunter.io/ios/app/klm-open/id1572076710)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Rallycheck free?

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

### Is KLM Open free?

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

### Do Rallycheck or KLM Open have ads?

KLM Open shows ads; Rallycheck does not.

### Which is updated more often, Rallycheck or KLM Open?

Rallycheck ships an update every 2 weeks, and KLM Open every 2 months. Most recently, Rallycheck was updated on September 11, 2026 and KLM Open on May 17, 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.*