# Challenge Log vs デカモジ

The clearest difference is update cadence: デカモジ at every 5 days against Challenge Log's fortnightly. On price, ads, 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.

Challenge Log ships an update fortnightly, デカモジ every 5 days. The most recent releases landed on October 6, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Challenge Log | デカモジ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | **Every 5 days** |
| Size | 91 MB | 6 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [YOSHIKI KOKUBO](https://appshunter.io/developer/1496137532) | [NORIO KATSUMATA](https://appshunter.io/developer/1841864112) |

## What reviewers say

### Challenge Log

[App page](https://appshunter.io/ios/app/challenge-log/id6748856273)

**In-app purchases:** none


### デカモジ

[App page](https://appshunter.io/ios/app/id6752944534)

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

**In-app purchases:** none


## Frequently asked questions

### Is Challenge Log free?

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

### Is デカモジ free?

デカモジ is free to download, with no in-app purchases.

### Do Challenge Log or デカモジ have ads?

Both Challenge Log and デカモジ show ads.

### Which is updated more often, Challenge Log or デカモジ?

Challenge Log ships an update fortnightly, and デカモジ every 5 days. Most recently, Challenge Log was updated on October 6, 2026 and デカモジ 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.*