# IDIY vs 英検®2級 でた単

The clearest difference is price: IDIY at Free against 英検®2級 でた単's $5.99. 英検®2級 でた単's advantage is update cadence (every 2 days vs fortnightly) and review sentiment (65% vs 49%). On ads, in-app purchases, monetization model and device support there is nothing between them.

IDIY is free to download; 英検®2級 でた単 costs $5.99 up front. IDIY sells 16 one-off in-app purchases and 英検®2級 でた単 sells 4 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

IDIY ships an update fortnightly, 英検®2級 でた単 every 2 days. The most recent releases landed on September 19, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | IDIY | 英検®2級 でた単 |
| --- | --- | --- |
| Price | **Free** | $5.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/2/id1438798917/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 48.8% of reviews | **64.5% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 70 MB | 128 MB |
| Requires iOS | 16 | **15.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ROUTINGSYSTEMS. INC](https://appshunter.io/developer/1149802102) | [Namiko Takahashi](https://appshunter.io/developer/1349212420) |

## 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 |


### 英検®2級 でた単

[App page](https://appshunter.io/ios/app/2/id1438798917)

Prepare for the Eiken Grade 2 exam with a comprehensive vocabulary builder. Access over 2900 words and phrases, practice with quizzes, and create custom word lists for targeted study. Includes typing practice and audio playback for enhanced learning.

**Highlights:** Extensive vocabulary database (2982 words), Categorized word lists by part of speech, Practice quizzes with timed scoring, Customizable word lists for review, Typing practice for writing skills, Audio playback for pronunciation, Search functionality for words and meanings

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| でた単プレミアム 1ヶ月 | $1.99 | per month |
| でた単プレミアム 1年間 | $11.99 | per year |
| 語彙問題セットチケットQ1 | $4.99 | one-time |
| 語彙問題セット2-12 | $4.99 | one-time |


## Frequently asked questions

### Is IDIY free?

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

### Is 英検®2級 でた単 free?

英検®2級 でた単 costs $5.99, and also offers in-app purchases.

### Do IDIY or 英検®2級 でた単 have ads?

Neither IDIY nor 英検®2級 でた単 shows ads.

### Which is updated more often, IDIY or 英検®2級 でた単?

IDIY ships an update fortnightly, and 英検®2級 でた単 every 2 days. Most recently, IDIY was updated on September 19, 2026 and 英検®2級 でた単 on September 30, 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.*