# KLM Open vs HarfHike

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

Both are free to download. HarfHike sells 2 in-app purchases, starting at $0.99 per month. KLM Open asks for nothing beyond the download.

KLM Open ships an update every 2 months, HarfHike every 5 weeks. The most recent releases landed on October 2, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | KLM Open | HarfHike |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Size | 93 MB | 91 MB |
| Requires iOS | **16.6** | 17.6 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [TIG Sports B.V.](https://appshunter.io/developer/447757216) | [R&D Advance BV](https://appshunter.io/developer/1685545164) |

## What reviewers say

### KLM Open

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

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### HarfHike

[App page](https://appshunter.io/ios/app/harfhike/id6472856201)

**Features:** macOS Compatibility, Family Sharing, Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $0.99 | per month |
| Yearly subscription | $5.99 | per year |


## Frequently asked questions

### Is KLM Open free?

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

### Is HarfHike free?

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

### Do KLM Open or HarfHike have ads?

KLM Open shows ads; HarfHike does not.

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

KLM Open ships an update every 2 months, and HarfHike every 5 weeks. Most recently, KLM Open was updated on October 2, 2026 and HarfHike on October 19, 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.*