# Radiant Grid vs Sixtep

The clearest difference is price: Sixtep at Free against Radiant Grid's $1.99. Sixtep also leads on rating (5.0 vs 4.2) and update cadence (every 4 days vs every 6 months). Radiant Grid's advantage is in-app purchases (none vs 1) and chart position (#190 vs unranked). On ratings volume, ads and device support there is nothing between them.

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

Sixtep holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 15 and 18 respectively. Written reviews point the same way: 85% of Radiant Grid's written reviews are positive against 100% of Sixtep's.

Radiant Grid ships an update every 6 months, Sixtep every 4 days. The most recent releases landed on September 13, 2026 and July 17, 2026 respectively.

## The numbers

| Metric | Radiant Grid | Sixtep |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [4.2 (15 ratings)](https://appshunter.io/ios/app/radiant-grid/id1067853503/reviews) | **[5.0 (18 ratings)](https://appshunter.io/ios/app/sixtep/id6753636560/reviews)** |
| Number of ratings | 15 | **18** |
| Positive reviews | 85.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 4 days** |
| Monetization | Paid | **Freemium** |
| Best chart rank | **#190** | — |
| Size | 53 MB | 25 MB |
| Requires iOS | 18.6 | **16** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Open Planet Software](https://appshunter.io/developer/307887935) | [Tyler Finck](https://appshunter.io/developer/1844126209) |

## What reviewers say

### Radiant Grid

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

**Currently charting:** #190 Top Paid · Puzzle (US App Store)

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


### Sixtep

[App page](https://appshunter.io/ios/app/sixtep/id6753636560)

A daily word puzzle game where you complete six-letter words using provided letters and locked letters in each position. Offers a clean design and tracks your progress. An optional Pro upgrade unlocks advanced stats and more puzzles.

**Highlights:** Daily word puzzle, Six-letter word completion, Locked letter mechanics, Clean minimalist design, Completion time tracking, Optional Pro upgrade

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sixtep Pro | $3.99 | one-time |


## Frequently asked questions

### Is Radiant Grid free?

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

### Is Sixtep free?

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

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

Sixtep is rated higher. Radiant Grid averages 4.2 out of 5 from 15 ratings, while Sixtep averages 5.0 from 18 ratings.

### Do Radiant Grid or Sixtep have ads?

Neither Radiant Grid nor Sixtep shows ads.

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

Radiant Grid ships an update every 6 months, and Sixtep every 4 days. Most recently, Radiant Grid was updated on September 13, 2026 and Sixtep on July 17, 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.*