# HÄNG vs Callus

The clearest difference is update cadence: HÄNG at every 9 days against Callus's every 3 weeks. HÄNG also leads on iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. HÄNG sells 1 one-off in-app purchase and Callus sells 1 in-app purchase, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

HÄNG ships an update every 9 days, Callus every 3 weeks. Both last shipped on October 25, 2026.

## The numbers

| Metric | HÄNG | Callus |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 3 weeks |
| Size | 22 MB | 72 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Max Rudat](https://appshunter.io/developer/6772096599) | [Phong Davis Nguyen](https://appshunter.io/developer/1712387006) |

## What reviewers say

### HÄNG

[App page](https://appshunter.io/ios/app/hang-hangboard-timer-climbing/id6772096597)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Force Sensor Support | $3.99 | one-time |


### Callus

[App page](https://appshunter.io/ios/app/callus-climbing-log/id6776736020)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Callus Membership | $2.99 | per month |


## Frequently asked questions

### Is HÄNG free?

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

### Is Callus free?

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

### Do HÄNG or Callus have ads?

Neither HÄNG nor Callus shows ads.

### Which is updated more often, HÄNG or Callus?

HÄNG ships an update every 9 days, and Callus every 3 weeks. Most recently, HÄNG was updated on October 25, 2026 and Callus on October 25, 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.*