# portablechess vs Reaction Master'S

portablechess and Reaction Master'S are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | portablechess | Reaction Master'S |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 2 weeks |
| Size | 10 MB | 62 MB |
| Requires iOS | 26.2 | **26.1** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [INKWANG KIM](https://appshunter.io/developer/1877582997) | [Murat Mustafa Ertan](https://appshunter.io/developer/1878642916) |

## What reviewers say

### portablechess

[App page](https://appshunter.io/ios/app/portablechess/id6759242416)

**Features:** macOS Compatibility

**In-app purchases:** none


### Reaction Master'S

[App page](https://appshunter.io/ios/app/reaction-masters/id6759448555)

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

**In-app purchases:** none


## Frequently asked questions

### Is portablechess free?

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

### Is Reaction Master'S free?

Reaction Master'S is free to download, with no in-app purchases.

### Do portablechess or Reaction Master'S have ads?

Neither portablechess nor Reaction Master'S shows ads.

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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.*