# 勉強計画と復習管理 vs 逆算勉強

The clearest difference is ads: 逆算勉強 at none against 勉強計画と復習管理's shown. 逆算勉強 also leads on update cadence (daily vs every 4 months) and iOS requirement (11.0 vs 17.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

勉強計画と復習管理 ships an update every 4 months, 逆算勉強 daily. The most recent releases landed on October 9, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | 勉強計画と復習管理 | 逆算勉強 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Daily** |
| Size | 33 MB | 51 MB |
| Requires iOS | 17.6 | **11.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Masaya Kato](https://appshunter.io/developer/458867341) | [Kodai Maki](https://appshunter.io/developer/1674346013) |

## What reviewers say

### 勉強計画と復習管理

[App page](https://appshunter.io/ios/app/id1640394074)

**In-app purchases:** none


### 逆算勉強

[App page](https://appshunter.io/ios/app/id6445865041)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 勉強計画と復習管理 free?

勉強計画と復習管理 is free to download, with no in-app purchases.

### Is 逆算勉強 free?

逆算勉強 is free to download, with no in-app purchases.

### Do 勉強計画と復習管理 or 逆算勉強 have ads?

勉強計画と復習管理 shows ads; 逆算勉強 does not.

### Which is updated more often, 勉強計画と復習管理 or 逆算勉強?

勉強計画と復習管理 ships an update every 4 months, and 逆算勉強 daily. Most recently, 勉強計画と復習管理 was updated on October 9, 2026 and 逆算勉強 on October 14, 2026.

---

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