# Vulpe vs 数学図鑑

The clearest difference is device support: Vulpe at 3 against 数学図鑑's 1. Vulpe also leads on iOS requirement (13.0 vs 17.0). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Vulpe sells 4 in-app purchases, starting at $4.99 per month and 数学図鑑 sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on September 22, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | Vulpe | 数学図鑑 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (4 ratings)](https://appshunter.io/ios/app/vulpe-study-with-a-plan/id6443739008/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 95.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 188 MB | 149 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [UniLink Inc.](https://appshunter.io/developer/1100530980) | [Keisuke Minami](https://appshunter.io/developer/1719444621) |

## What reviewers say

### Vulpe

[App page](https://appshunter.io/ios/app/vulpe-study-with-a-plan/id6443739008)

This app helps you manage your reading goals by breaking down large books into daily page targets. It visualizes your progress, alerting you if you're ahead or behind schedule. Log your daily study sessions to stay on track and achieve your academic objectives.

**Highlights:** Set book completion dates, Calculate daily page goals, Log daily study progress, Visualize progress ahead/behind schedule, Receive progress notifications, Archive completed goals

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Vulpe Premium Monthly | $4.99 | per month |
| Vulpe Premium Annual | $12.99 | per year |
| Vulpe Premium Yearly | $39.99 | per year |
| Vulpe Premium Outright | $29.99 | one-time |


### 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 Vulpe free?

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

### Is 数学図鑑 free?

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

### Do Vulpe or 数学図鑑 have ads?

Both Vulpe and 数学図鑑 show ads.

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

Vulpe ships an update every 2 weeks, and 数学図鑑 every 2 weeks. Most recently, Vulpe was updated on September 22, 2026 and 数学図鑑 on June 4, 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.*