# GRAPES vs 数学図鑑

The clearest difference is review sentiment: 数学図鑑 at 100% against GRAPES's 59%. 数学図鑑 also leads on update cadence (every 2 weeks vs every 3 months). GRAPES's advantage is in-app purchases (none vs 2) and ads (none vs shown). On price there is nothing between them.

Both are free to download. 数学図鑑 sells 2 one-off in-app purchases. GRAPES asks for nothing beyond the download.

GRAPES ships an update every 3 months, 数学図鑑 every 2 weeks. Both last shipped on June 4, 2026.

## The numbers

| Metric | GRAPES | 数学図鑑 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/grapes-light/id1437354864/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 58.8% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 44 MB | 149 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [TOKYO SHOSEKI CO.,LTD.](https://appshunter.io/developer/449549534) | [Keisuke Minami](https://appshunter.io/developer/1719444621) |

## What reviewers say

### GRAPES

[App page](https://appshunter.io/ios/app/grapes-light/id1437354864)

This educational app allows users to graph mathematical functions and relationships with advanced features. It incorporates dynamic "movement" to enhance learning and includes nearly 150 samples. Optimized for tablets, it offers a streamlined experience for exploring mathematics.

**Highlights:** Graph relations and discontinuous functions, Learn through dynamic 'movement', Tablet-optimized UI, Includes nearly 150 samples, Advanced mathematical functions

**Features:** macOS Compatibility

**In-app purchases:** none


### 数学図鑑

[App page](https://appshunter.io/ios/app/id6499109813)

This app uses animations and dynamic visuals to explain complex high school math concepts. It aims to make abstract ideas intuitive and engaging for students and educators alike. Explore calculus, geometry, and equations through visual learning.

**Highlights:** Animated explanations of math concepts, Dynamic visual representations, Covers calculus, geometry, and equations, Intuitive understanding of abstract ideas, Aids students and educators

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告の削除 | $1.99 | one-time |
| 広告の削除+開発者への支援 | $2.99 | one-time |


## Frequently asked questions

### Is GRAPES free?

GRAPES is free to download, with no in-app purchases.

### Is 数学図鑑 free?

数学図鑑 is free to download, with in-app purchases available.

### Do GRAPES or 数学図鑑 have ads?

数学図鑑 shows ads; GRAPES does not.

### Which is updated more often, GRAPES or 数学図鑑?

GRAPES ships an update every 3 months, and 数学図鑑 every 2 weeks. Most recently, GRAPES was updated on June 4, 2026 and 数学図鑑 on June 4, 2026.

---

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