# ModernClimb vs klettra

The clearest difference is in-app purchases: ModernClimb at none against klettra's 2. ModernClimb also leads on iOS requirement (12.0 vs 16.4). klettra's advantage is update cadence (every 4 days vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. klettra sells 2 in-app purchases, starting at $4.99 per month. ModernClimb asks for nothing beyond the download.

ModernClimb ships an update every 3 weeks, klettra every 4 days. Both last shipped on November 8, 2026.

## The numbers

| Metric | ModernClimb | klettra |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Size | 127 MB | 137 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [PerFIcT Inc.](https://appshunter.io/developer/1157678843) | [Klettra](https://appshunter.io/developer/1806287741) |

## What reviewers say

### ModernClimb

[App page](https://appshunter.io/ios/app/modernclimb/id6476177019)

**In-app purchases:** none


### klettra

[App page](https://appshunter.io/ios/app/klettra/id6744265556)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Klettra Premium | $4.99 | per month |
| Klettra Premium | $4.99 | per month |


## Frequently asked questions

### Is ModernClimb free?

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

### Is klettra free?

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

### Do ModernClimb or klettra have ads?

Neither ModernClimb nor klettra shows ads.

### Which is updated more often, ModernClimb or klettra?

ModernClimb ships an update every 3 weeks, and klettra every 4 days. Most recently, ModernClimb was updated on November 8, 2026 and klettra on November 8, 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.*