# Radiant Grid vs Serialogic

The clearest difference is price: Serialogic at Free against Radiant Grid's $1.99. Serialogic also leads on rating (5.0 vs 4.2) and update cadence (every 2 weeks vs every 6 months). Radiant Grid's advantage is in-app purchases (none vs 1) and ratings volume (15 vs 2). On ads, device support and iOS requirement there is nothing between them.

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

Serialogic holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Radiant Grid has 15 ratings behind it against 2, so its average is the more settled of the two.

Radiant Grid ships an update every 6 months, Serialogic every 2 weeks. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Radiant Grid | Serialogic |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [4.2 (15 ratings)](https://appshunter.io/ios/app/radiant-grid/id1067853503/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/serialogic-color-sort-logic/id6797626515/reviews)** |
| Number of ratings | **15** | 2 |
| Positive reviews | 85.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 53 MB | 12 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Open Planet Software](https://appshunter.io/developer/307887935) | [michael dardol](https://appshunter.io/developer/478875188) |

## What reviewers say

### Radiant Grid

[App page](https://appshunter.io/ios/app/radiant-grid/id1067853503)

A calming puzzle game featuring 99 handcrafted levels with increasing difficulty. Players tap squares to light a path across a grid, following number clues to solve each challenge. Enjoy a soothing soundtrack and a beautiful, minimalist design.

**Highlights:** 99 challenging handcrafted levels, Mindful and relaxing gameplay, Ambient soundtrack, Simple tap controls, Increasing difficulty curve

**Features:** Vision Pro support

**In-app purchases:** none


### Serialogic

[App page](https://appshunter.io/ios/app/serialogic-color-sort-logic/id6797626515)

This logic puzzle game challenges players to optimize their moves to solve color-sorting levels. It provides the minimum number of moves required, turning each level into an optimization problem. Enjoy a vast collection of levels with no ads or subscriptions.

**Highlights:** Minimum move solutions provided, Optimization-based gameplay, 350 levels across 7 tiers, No ads or subscriptions, Offline play, Accessibility features, Progress sync via iCloud

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Same-Color Series | $4.99 | one-time |


## Frequently asked questions

### Is Radiant Grid free?

Radiant Grid costs $1.99, with no in-app purchases.

### Is Serialogic free?

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

### Which has better reviews, Radiant Grid or Serialogic?

Serialogic is rated higher. Radiant Grid averages 4.2 out of 5 from 15 ratings, while Serialogic averages 5.0 from 2 ratings.

### Do Radiant Grid or Serialogic have ads?

Neither Radiant Grid nor Serialogic shows ads.

### Which is updated more often, Radiant Grid or Serialogic?

Radiant Grid ships an update every 6 months, and Serialogic every 2 weeks. Most recently, Radiant Grid was updated on October 24, 2026 and Serialogic on October 29, 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.*