# IDIY vs アニマルスタディ 中学英単語帳

IDIY and アニマルスタディ 中学英単語帳 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. IDIY sells 10 one-off in-app purchases and アニマルスタディ 中学英単語帳 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

IDIY ships an update fortnightly, アニマルスタディ 中学英単語帳 every 3 weeks. The most recent releases landed on November 6, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | IDIY | アニマルスタディ 中学英単語帳 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 48.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 70 MB | 79 MB |
| Requires iOS | 16 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ROUTINGSYSTEMS. INC](https://appshunter.io/developer/1149802102) | [MASAYA FURUTA](https://appshunter.io/developer/6791934881) |

## What reviewers say

### IDIY

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

Receive personalized English writing feedback from instructors worldwide. Practice with daily prompts, access free online courses, and improve your English for exams, career, or study abroad.

**Highlights:** Personalized English writing feedback, Daily writing prompts, Free online English courses, Instructor messaging, Essay and exam preparation, Native and bilingual instructor options

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 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 |
| 学べるプランライト50単語 3ヶ月 | $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 |


### アニマルスタディ 中学英単語帳

[App page](https://appshunter.io/ios/app/id6793796790)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 全レベル解放パック | $2.99 | one-time |


## Frequently asked questions

### Is IDIY free?

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

### Is アニマルスタディ 中学英単語帳 free?

アニマルスタディ 中学英単語帳 is free to download, with in-app purchases available.

### Do IDIY or アニマルスタディ 中学英単語帳 have ads?

Neither IDIY nor アニマルスタディ 中学英単語帳 shows ads.

### Which is updated more often, IDIY or アニマルスタディ 中学英単語帳?

IDIY ships an update fortnightly, and アニマルスタディ 中学英単語帳 every 3 weeks. Most recently, IDIY was updated on November 6, 2026 and アニマルスタディ 中学英単語帳 on October 24, 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.*