# SUNA vs Climbing Log

The clearest difference is in-app purchases: Climbing Log at none against SUNA's 1. Climbing Log also leads on iOS requirement (15.1 vs 17.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. SUNA sells 1 one-off in-app purchase. Climbing Log asks for nothing beyond the download.

SUNA ships an update monthly, Climbing Log every 5 weeks. The most recent releases landed on October 11, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | SUNA | Climbing Log |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 weeks |
| Size | 17 MB | 27 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, Apple Watch | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jan Kriz](https://appshunter.io/developer/1875952280) | [Adattenger Kft.](https://appshunter.io/developer/6790204766) |

## What reviewers say

### SUNA

[App page](https://appshunter.io/ios/app/suna-sauna-tracker/id6758952338)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Suna+ | $9.99 | one-time |


### Climbing Log

[App page](https://appshunter.io/ios/app/climbing-log-boulder-tracker/id6790204764)

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

**In-app purchases:** none


## Frequently asked questions

### Is SUNA free?

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

### Is Climbing Log free?

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

### Do SUNA or Climbing Log have ads?

Neither SUNA nor Climbing Log shows ads.

### Which is updated more often, SUNA or Climbing Log?

SUNA ships an update monthly, and Climbing Log every 5 weeks. Most recently, SUNA was updated on October 11, 2026 and Climbing Log on October 1, 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.*