# 最速で引ける英和辞書！「俺の英和」 vs Study Timer Study Rainbow

The clearest difference is update cadence: Study Timer Study Rainbow at every 5 days against 最速で引ける英和辞書！「俺の英和」's every 30 months. 最速で引ける英和辞書！「俺の英和」's advantage is iOS requirement (11.0 vs 26.4). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 最速で引ける英和辞書！「俺の英和」 sells 1 one-off in-app purchase and Study Timer Study Rainbow sells 4 in-app purchases, starting at $0.49 per month. Whichever you choose, the download price is not the number that matters.

最速で引ける英和辞書！「俺の英和」 ships an update every 30 months, Study Timer Study Rainbow every 5 days. The most recent releases landed on September 30, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | 最速で引ける英和辞書！「俺の英和」 | Study Timer Study Rainbow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/id795529895/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 30 months | **Every 5 days** |
| Size | 7 MB | 37 MB |
| Requires iOS | **11.0** | 26.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [bravesoft inc.](https://appshunter.io/developer/347246481) | [Toshiaki Nakamura](https://appshunter.io/developer/822485897) |

## What reviewers say

### 最速で引ける英和辞書！「俺の英和」

[App page](https://appshunter.io/ios/app/id795529895)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 俺の英単語 | $2.99 | one-time |


### Study Timer Study Rainbow

[App page](https://appshunter.io/ios/app/study-timer-study-rainbow/id6780163715)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Student Support Monthly | $0.49 | per month |
| Plus Monthly | $1.99 | per month |
| Student Support Yearly | $5.99 | per year |
| Plus Yearly | $19.99 | per year |


## Frequently asked questions

### Is 最速で引ける英和辞書！「俺の英和」 free?

最速で引ける英和辞書！「俺の英和」 is free to download, with in-app purchases available.

### Is Study Timer Study Rainbow free?

Study Timer Study Rainbow is free to download, with in-app purchases available.

### Do 最速で引ける英和辞書！「俺の英和」 or Study Timer Study Rainbow have ads?

Neither 最速で引ける英和辞書！「俺の英和」 nor Study Timer Study Rainbow shows ads.

### Which is updated more often, 最速で引ける英和辞書！「俺の英和」 or Study Timer Study Rainbow?

最速で引ける英和辞書！「俺の英和」 ships an update every 30 months, and Study Timer Study Rainbow every 5 days. Most recently, 最速で引ける英和辞書！「俺の英和」 was updated on September 30, 2026 and Study Timer Study Rainbow on October 6, 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.*