# Quarta vs Chess Lab

The clearest difference is review sentiment: Quarta at 87% against Chess Lab's 33%. Quarta also leads on in-app purchases (none vs 1) and ads (none vs shown). Chess Lab's advantage is price (Free vs $1.99). On device support there is nothing between them.

Chess Lab is free to download; Quarta costs $1.99 up front. Chess Lab sells 1 one-off in-app purchase. Quarta asks for nothing beyond the download.

## The numbers

| Metric | Quarta | Chess Lab |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (10 ratings)](https://appshunter.io/ios/app/quarta/id964483244/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | **86.7% of reviews** | 33.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 4 days |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 29 MB | 64 MB |
| Requires iOS | **8.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Opal Limited](https://appshunter.io/developer/292792589) | [koji ozono](https://appshunter.io/developer/1826482515) |

## What reviewers say

### Quarta

[App page](https://appshunter.io/ios/app/quarta/id964483244)

This is a two-player digital board game where players place tiles to build and claim colored areas. Each game generates a unique musical soundtrack based on the gameplay. It offers a simple yet engaging experience with a sophisticated AI for solo play.

**Highlights:** Two-player tile placement, Generative music soundtrack, Dynamic AI opponent, Quick gameplay sessions, Designed for digital platforms, Listen mode for music enjoyment

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

**In-app purchases:** none


### Chess Lab

[App page](https://appshunter.io/ios/app/chess-lab-arasan-ai-engine/id6757245101)

Analyze chess games with a powerful AI engine, practice against 30 difficulty levels, or watch live top-tier matches. Save and replay games, import PGNs, and customize your board view for a premium experience.

**Highlights:** AI-powered game analysis, 30 difficulty levels for CPU play, Local 2-player mode, Lichess spectating with channel selection, Save and replay games, PGN import, Customizable 2D/2.5D board views

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chess Lab Pro | $2.99 | one-time |


## Frequently asked questions

### Is Quarta free?

Quarta costs $1.99, with no in-app purchases.

### Is Chess Lab free?

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

### Do Quarta or Chess Lab have ads?

Chess Lab shows ads; Quarta does not.

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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.*