# Pulsar Chess Engine vs ColorTone

The clearest difference is price: ColorTone at Free against Pulsar Chess Engine's $1.99. ColorTone also leads on rating (5.0 vs 4.3) and review sentiment (100% vs 70%). Pulsar Chess Engine's advantage is ratings volume (12 vs 1). On ads, in-app purchases and device support there is nothing between them.

ColorTone is free to download; Pulsar Chess Engine costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ColorTone holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Pulsar Chess Engine has 12 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 70% of Pulsar Chess Engine's written reviews are positive against 100% of ColorTone's.

## The numbers

| Metric | Pulsar Chess Engine | ColorTone |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [4.3 (12 ratings)](https://appshunter.io/ios/app/pulsar-chess-engine/id839640447/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/colortone/id1454931922/reviews)** |
| Number of ratings | **12** | 1 |
| Positive reviews | 70.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Paid | **Free** |
| Size | 11 MB | 17 MB |
| Requires iOS | 15.6 | **9.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Michael Adams](https://appshunter.io/developer/743520896) | [Nazir Dogan](https://appshunter.io/developer/1048892607) |

## What reviewers say

### Pulsar Chess Engine

[App page](https://appshunter.io/ios/app/pulsar-chess-engine/id839640447)

Play chess and six popular variants with adjustable AI difficulty levels. Review logged games, access master game collections, and utilize Crafty engine analysis for standard chess and Chess960. Offers accessibility features for blind users.

**Highlights:** Plays 7 chess variants, Adjustable AI difficulty levels, Game logging and review, Master game collections, Crafty engine analysis, VoiceOver accessibility

**Features:** Vision Pro support

**In-app purchases:** none


### ColorTone

[App page](https://appshunter.io/ios/app/colortone/id1454931922)

A simple yet engaging game where players identify the box with a subtly different color tone among several options. It's designed for quick, one-handed play anytime, anywhere, helping to sharpen visual perception and aim for high scores.

**Highlights:** Identify different color tones, Improve visual perception, One-handed gameplay, Playable anywhere, anytime, Score-based challenges

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pulsar Chess Engine free?

Pulsar Chess Engine costs $1.99, with no in-app purchases.

### Is ColorTone free?

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

### Which has better reviews, Pulsar Chess Engine or ColorTone?

ColorTone is rated higher. Pulsar Chess Engine averages 4.3 out of 5 from 12 ratings, while ColorTone averages 5.0 from 1 ratings.

### Do Pulsar Chess Engine or ColorTone have ads?

Neither Pulsar Chess Engine nor ColorTone 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.*