# IDIY vs ChizuchouGame

The clearest difference is in-app purchases: ChizuchouGame at none against IDIY's 16. ChizuchouGame also leads on update cadence (every 3 days vs fortnightly). IDIY's advantage is iOS requirement (16 vs 26.4). On price, ads and device support there is nothing between them.

Both are free to download. IDIY sells 16 one-off in-app purchases. ChizuchouGame asks for nothing beyond the download.

IDIY ships an update fortnightly, ChizuchouGame every 3 days. The most recent releases landed on October 16, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | IDIY | ChizuchouGame |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 48.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 70 MB | 5 MB |
| Requires iOS | **16** | 26.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ROUTINGSYSTEMS. INC](https://appshunter.io/developer/1149802102) | [Daiki Ishimoto](https://appshunter.io/developer/1687054023) |

## What reviewers say

### IDIY

[App page](https://appshunter.io/ios/app/idiy/id1363811179)

Receive personalized English writing feedback from instructors worldwide. Improve your writing skills through daily prompts, custom submissions, and interactive messaging. Access free online English courses to supplement your learning.

**Highlights:** Personalized English writing feedback, Daily writing prompts, Upload your own English texts, Instructor messaging, Free online English courses, Progress tracking, Native and bilingual instructors

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

**In-app purchases (16)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CEFR A2レベル単語帳 | $4.99 | one-time |
| CEFR B2レベル単語帳 | $4.99 | one-time |
| CEFR C1レベル単語帳 | $4.99 | one-time |
| CEFR B1レベル単語帳 | $4.99 | one-time |
| CEFR A1レベル単語帳 | $4.99 | one-time |
| CEFR C2レベル単語帳 | $4.99 | one-time |
| 500ポイント | $39.99 | one-time |
| 700ポイント | $59.99 | one-time |
| 1000ポイント | $69.99 | one-time |
| 学べるプランライト50単語 3ヶ月 | $149.99 | one-time |
| 2000ポイント | $149.99 | one-time |
| 学べるプランスタンダードプラス50単語 3ヶ月 | $229.99 | one-time |
| 学べるプランライト100単語 3ヶ月 | $299.99 | one-time |
| 学べるプランスタンダードプラス100単語 3ヶ月 | $349.99 | one-time |
| 学べるプランライト200単語 3ヶ月 | $599.99 | one-time |
| 学べるプランスタンダードプラス200単語 3ヶ月 | $699.99 | one-time |


### ChizuchouGame

[App page](https://appshunter.io/ios/app/chizuchougame/id6761368048)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is IDIY free?

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

### Is ChizuchouGame free?

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

### Do IDIY or ChizuchouGame have ads?

Neither IDIY nor ChizuchouGame shows ads.

### Which is updated more often, IDIY or ChizuchouGame?

IDIY ships an update fortnightly, and ChizuchouGame every 3 days. Most recently, IDIY was updated on October 16, 2026 and ChizuchouGame on October 28, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*