# Derivon vs 物理マスター

The clearest difference is ads: 物理マスター at none against Derivon's shown. 物理マスター also leads on iOS requirement (18.0 vs 26.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Derivon sells 5 in-app purchases, starting at $1.99 per month and 物理マスター sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Derivon ships an update every 5 days, 物理マスター every 9 days. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Derivon | 物理マスター |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/derivon-calculus-practice/id6761150220/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Every 9 days |
| Monetization | Free with in-app purchases | — |
| Size | 251 MB | 26 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [ABT合同会社](https://appshunter.io/developer/6813846553) | [ryo otsuka](https://appshunter.io/developer/6788628020) |

## What reviewers say

### Derivon

[App page](https://appshunter.io/ios/app/derivon-calculus-practice/id6761150220)

Master calculus concepts like derivatives and integrals through daily, intuitive practice. Earn rewards, collect planets, and build streaks as you progress through challenges. Designed for quick, effective learning sessions.

**Highlights:** Daily calculus problem practice, Earn Star Sand rewards, Collect planets in Gallery, Build and maintain daily streaks, Rank-Up Challenges, Shooting mode for breaks

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Derivon Super (Monthly) | $1.99 | per month |
| Derivon Super (Yearly) | $14.99 | per year |
| 5 Star Fragments | $0.99 | one-time |
| 12 Star Fragments | $1.99 | one-time |
| 32 Star Fragments | $3.99 | one-time |


### 物理マスター

[App page](https://appshunter.io/ios/app/id6796362607)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 物理マスター Pro | $2.99 | one-time |


## Frequently asked questions

### Is Derivon free?

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

### Is 物理マスター free?

物理マスター is free to download, with in-app purchases available.

### Do Derivon or 物理マスター have ads?

Derivon shows ads; 物理マスター does not.

### Which is updated more often, Derivon or 物理マスター?

Derivon ships an update every 5 days, and 物理マスター every 9 days. Most recently, Derivon was updated on November 5, 2026 and 物理マスター on November 6, 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.*