# Radiant Grid vs SumLock

The clearest difference is rating: SumLock at 5.0 against Radiant Grid's 4.2. SumLock also leads on price ($0.99 vs $1.99). Radiant Grid's advantage is ads (none vs shown) and ratings volume (15 vs 1). On in-app purchases and iOS requirement there is nothing between them.

Radiant Grid costs $1.99 and SumLock $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SumLock 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 1, so its average is the more settled of the two.

## The numbers

| Metric | Radiant Grid | SumLock |
| --- | --- | --- |
| Price | $1.99 | **$0.99** |
| Rating | [4.2 (15 ratings)](https://appshunter.io/ios/app/radiant-grid/id1067853503/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sumlock/id6786379020/reviews)** |
| Number of ratings | **15** | 1 |
| Positive reviews | 85.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | — |
| Monetization | Paid | — |
| Size | 53 MB | 5 MB |
| Requires iOS | 18.6 | **17.6** |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Open Planet Software](https://appshunter.io/developer/307887935) | [H Valeur](https://appshunter.io/developer/621824042) |

## 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


### SumLock

[App page](https://appshunter.io/ios/app/sumlock/id6786379020)

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

**In-app purchases:** none


## Frequently asked questions

### Is Radiant Grid free?

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

### Is SumLock free?

SumLock costs $0.99, with no in-app purchases.

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

SumLock is rated higher. Radiant Grid averages 4.2 out of 5 from 15 ratings, while SumLock averages 5.0 from 1 ratings.

### Do Radiant Grid or SumLock have ads?

SumLock shows ads; Radiant Grid 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.*