# Ludis! vs Boulder Logbook

The clearest difference is update cadence: Ludis! at every 10 days against Boulder Logbook's every 7 months. Ludis! also leads on iOS requirement (15.0 vs 18.6). On price, in-app purchases and device support there is nothing between them.

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

Ludis! ships an update every 10 days, Boulder Logbook every 7 months. The most recent releases landed on October 3, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Ludis! | Boulder Logbook |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | **Every 10 days** | Every 7 months |
| Size | 17 MB | 25 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Pedro Henrique Cordeiro Soares](https://appshunter.io/developer/1568861484) | [Martin List](https://appshunter.io/developer/1160761022) |

## What reviewers say

### Ludis!

[App page](https://appshunter.io/ios/app/ludis/id1638398534)

**In-app purchases:** none


### Boulder Logbook

[App page](https://appshunter.io/ios/app/boulder-logbook/id6444243441)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ludis! free?

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

### Is Boulder Logbook free?

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

### Which is updated more often, Ludis! or Boulder Logbook?

Ludis! ships an update every 10 days, and Boulder Logbook every 7 months. Most recently, Ludis! was updated on October 3, 2026 and Boulder Logbook on October 4, 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.*