# 数学トレーニング vs FishCure

The clearest difference is update cadence: FishCure at weekly against 数学トレーニング's every 4 months. FishCure also leads on ratings volume (4.3K vs 52) and iOS requirement (15.4 vs 17.0). 数学トレーニング's advantage is rating (4.8 vs 4.4) and review sentiment (76% vs 54%). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 数学トレーニング sells 1 in-app purchase, starting at $1.99 per month and FishCure sells 9 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

数学トレーニング holds the better App Store score, 4.8 against 4.4. That said, the two scores are not equally well evidenced: FishCure has 4.3K ratings behind it against 52, so its average is the more settled of the two. Written reviews point the same way: 76% of 数学トレーニング's written reviews are positive against 54% of FishCure's.

数学トレーニング ships an update every 4 months, FishCure weekly. The most recent releases landed on October 29, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | 数学トレーニング | FishCure |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (52 ratings)](https://appshunter.io/ios/app/id1070817345/reviews)** | [4.4 (4.3K ratings)](https://appshunter.io/ios/app/fishcure/id1134446132/reviews) |
| Number of ratings | 52 | **4.3K** |
| Positive reviews | **76.2% of reviews** | 54.4% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 73 MB | 133 MB |
| Requires iOS | 17.0 | **15.4** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [StudySwitch, Inc.](https://appshunter.io/developer/1368900403) | [Takeshi Segawa](https://appshunter.io/developer/541433653) |

## What reviewers say

### 数学トレーニング

[App page](https://appshunter.io/ios/app/id1070817345)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 本気で勉強プラン | $1.99 | per month |


### FishCure

[App page](https://appshunter.io/ios/app/fishcure/id1134446132)

This app helps users regain focus by addressing phone addiction. It targets common behavioral issues like excessive use during study, work, or even while walking, and aims to improve sleep and reduce anxiety related to phone usage.

**Highlights:** Reduces phone distraction during study/work, Prevents dangerous phone use while walking, Improves sleep quality, Decreases phone-related anxiety, Helps control impulse checking, Manages excessive social media use

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Clione | $0.99 | one-time |
| Chinstrap penguins | $0.99 | one-time |
| Remove ads | $1.99 | one-time |
| Dolphin | $1.99 | one-time |
| Remove Ads | $1.99 | one-time |
| Killer Whale | $2.99 | one-time |
| Unlock ARank | $9.99 | one-time |
| Unlock S_Rank fish | $19.99 | one-time |
| 300000G | $29.99 | one-time |


## Frequently asked questions

### Is 数学トレーニング free?

数学トレーニング is free to download, with in-app purchases available.

### Is FishCure free?

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

### Which has better reviews, 数学トレーニング or FishCure?

数学トレーニング is rated higher. 数学トレーニング averages 4.8 out of 5 from 52 ratings, while FishCure averages 4.4 from 4.3K ratings.

### Do 数学トレーニング or FishCure have ads?

Both 数学トレーニング and FishCure show ads.

### Which is updated more often, 数学トレーニング or FishCure?

数学トレーニング ships an update every 4 months, and FishCure weekly. Most recently, 数学トレーニング was updated on October 29, 2026 and FishCure on October 26, 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.*