# 目標達成くん vs Challenge Log

The clearest difference is update cadence: Challenge Log at fortnightly against 目標達成くん's every 3 months. 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.

目標達成くん ships an update every 3 months, Challenge Log fortnightly. The most recent releases landed on June 1, 2026 and August 22, 2026 respectively.

## The numbers

| Metric | 目標達成くん | Challenge Log |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id6443497799/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Size | 24 MB | 89 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [Hayato Kitaoka](https://appshunter.io/developer/1634161426) | [YOSHIKI KOKUBO](https://appshunter.io/developer/1496137532) |

## What reviewers say

### 目標達成くん

[App page](https://appshunter.io/ios/app/id6443497799)

**Features:** macOS Compatibility

**In-app purchases:** none


### Challenge Log

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

**In-app purchases:** none


## Frequently asked questions

### Is 目標達成くん free?

目標達成くん is free to download, with no in-app purchases.

### Is Challenge Log free?

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

### Do 目標達成くん or Challenge Log have ads?

Neither 目標達成くん nor Challenge Log shows ads.

### Which is updated more often, 目標達成くん or Challenge Log?

目標達成くん ships an update every 3 months, and Challenge Log fortnightly. Most recently, 目標達成くん was updated on June 1, 2026 and Challenge Log on August 22, 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.*