# iPSマスター vs Chemical structure Karuta

The clearest difference is review sentiment: iPSマスター at 80% against Chemical structure Karuta's 41%. iPSマスター also leads on iOS requirement (8.0 vs 15.0). Chemical structure Karuta's advantage is device support (3 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

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

iPSマスター ships an update every 4 months, Chemical structure Karuta every 3 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | iPSマスター | Chemical structure Karuta |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **80.0% of reviews** | 41.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 684 MB | 131 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [KYOTO UNIVERSITY](https://appshunter.io/developer/736070990) | [Beta Computing Co., Ltd.](https://appshunter.io/developer/1456718333) |

## What reviewers say

### iPSマスター

[App page](https://appshunter.io/ios/app/ips/id1073322395)

Experience the groundbreaking discovery of iPS cells by stepping into the shoes of a researcher. This interactive iPad app allows you to recreate the simple yet beautiful experiments that led to this Nobel Prize-winning achievement. Embark on a journey to understand and create iPS cells.

**Highlights:** Recreate iPS cell discovery experiments, Interactive simulation, Learn about iPS cell research, Educational gameplay, Designed for iPad

**Features:** macOS Compatibility

**In-app purchases:** none


### Chemical structure Karuta

[App page](https://appshunter.io/ios/app/chemical-structure-karuta/id6504676483)

Learn chemical structures and compounds through a fun, card-based game. Features audio narration, explanatory videos, and adjustable CPU difficulty levels for solo practice or competitive play. Suitable for students, teachers, and chemistry enthusiasts.

**Highlights:** Card-based learning game, Audio narration and video explanations, Extensive card sets (pharmaceutical, hydrocarbons, etc.), CPU battles with adjustable difficulty, Solo practice mode, Visual list view for structures

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

**In-app purchases:** none


## Frequently asked questions

### Is iPSマスター free?

iPSマスター is free to download, with no in-app purchases.

### Is Chemical structure Karuta free?

Chemical structure Karuta is free to download, with no in-app purchases.

### Do iPSマスター or Chemical structure Karuta have ads?

Neither iPSマスター nor Chemical structure Karuta shows ads.

### Which is updated more often, iPSマスター or Chemical structure Karuta?

iPSマスター ships an update every 4 months, and Chemical structure Karuta every 3 months. Most recently, iPSマスター was updated on October 24, 2026 and Chemical structure Karuta on October 25, 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.*