# 予習復習効率UP vs 高校数学公式集

The clearest difference is review sentiment: 高校数学公式集 at 92% against 予習復習効率UP's 5%. 高校数学公式集 also leads on update cadence (every 4 days vs every 3 months). 予習復習効率UP's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 高校数学公式集 sells 1 one-off in-app purchase. 予習復習効率UP asks for nothing beyond the download.

予習復習効率UP ships an update every 3 months, 高校数学公式集 every 4 days. The most recent releases landed on August 13, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 予習復習効率UP | 高校数学公式集 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (2 ratings)](https://appshunter.io/ios/app/id1556606484/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 5.0% of reviews | **92.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 561 MB | 108 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Benesse Corporation](https://appshunter.io/developer/381219440) | [Joonha Kwon](https://appshunter.io/developer/1495592559) |

## What reviewers say

### 予習復習効率UP

[App page](https://appshunter.io/ios/app/up/id1446247648)

This app aids high school students in preparing for and reviewing English, Math, and Japanese (Classical Japanese and Chinese Classics) lessons. It offers features like textbook page search, vocabulary lists, grammar explanations, and problem-solving guides.

**Highlights:** Textbook page search, Vocabulary and idiom lists, Grammar explanations and videos, Classical Japanese/Chinese Classics translation and parsing, Math problem search and formula lists, English dictionary by camera, Automated parsing for Classical Japanese

**In-app purchases:** none


### 高校数学公式集

[App page](https://appshunter.io/ios/app/id1556606484)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告の非表示 | $1.99 | one-time |

**What reviewers like**

- 👍 Simple and easy to use
- 💡 Excellent explanations
- 🚀 Quick review of forgotten formulas
- 👍 Easy to understand
- 👍 Perfect for reviewing after learning

**What reviewers complain about**

- 🐛 Missing dx in definite integral substitution
- 🐛 Incorrect formula for complex number absolute value
- 🐛 Incorrect problem statement for volume of revolution
- 🐛 Incorrect problem statement for volume of revolution
- 🐛 Incorrect problem statement for volume of revolution

**Reported bugs**

- dx missing in definite integral substitution
- Incorrect formula for complex number absolute value
- Incorrect problem statement for volume of revolution (function not specified)
- Incorrect problem statement for volume of revolution (y=e^x mentioned in answer but not problem)
- Incorrect problem statement for volume of revolution (curve Y= value missing)

**Requested features**

- Add notebook/memo function
- Enable iPad and iPhone sync
- Link with Studyplus app
- Support for new curriculum
- Add statistical inference


## Frequently asked questions

### Is 予習復習効率UP free?

予習復習効率UP is free to download, with no in-app purchases.

### Is 高校数学公式集 free?

高校数学公式集 is free to download, with in-app purchases available.

### Do 予習復習効率UP or 高校数学公式集 have ads?

高校数学公式集 shows ads; 予習復習効率UP does not.

### Which is updated more often, 予習復習効率UP or 高校数学公式集?

予習復習効率UP ships an update every 3 months, and 高校数学公式集 every 4 days. Most recently, 予習復習効率UP was updated on August 13, 2026 and 高校数学公式集 on October 27, 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.*