# lumen. vs Gridbusters

The clearest difference is review sentiment: Gridbusters at 100% against lumen.'s 83%. Gridbusters also leads on rating (5.0 vs 4.8) and price ($0.99 vs $3.99). lumen.'s advantage is ratings volume (41 vs 2) and chart position (#119 vs unranked). On ads, in-app purchases and monetization model there is nothing between them.

lumen. costs $3.99 and Gridbusters $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Gridbusters holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: lumen. has 41 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 83% of lumen.'s written reviews are positive against 100% of Gridbusters's.

## The numbers

| Metric | lumen. | Gridbusters |
| --- | --- | --- |
| Price | $3.99 | **$0.99** |
| Rating | [4.8 (41 ratings)](https://appshunter.io/ios/app/lumen/id6757416129/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/gridbusters/id6778786355/reviews)** |
| Number of ratings | **41** | 2 |
| Positive reviews | 83.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Fortnightly |
| Monetization | Paid | Paid |
| Best chart rank | **#119** | — |
| Size | 507 MB | 35 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod, Mac, Apple TV** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Lykkegaard Europe Limited](https://appshunter.io/developer/1276464042) | [Rybro Games](https://appshunter.io/developer/6778786358) |

## What reviewers say

### lumen.

[App page](https://appshunter.io/ios/app/lumen/id6757416129)

**Currently charting:** #119 Top Paid · Puzzle (US App Store)

Solve intricate puzzles using light, lenses, and mirrors in a charming attic setting. Restore antique inventions with hundreds of family-friendly levels designed for all ages. Enjoy beautiful graphics and a soothing soundtrack.

**Highlights:** Light, lens, and mirror puzzles, Hundreds of well-designed levels, Family-friendly gameplay, Cross-device save functionality, Beautiful graphics and music, Easy to learn, hard to master

**Features:** Game Controller support, Vision Pro support

**In-app purchases:** none


### Gridbusters

[App page](https://appshunter.io/ios/app/gridbusters/id6778786355)

A solo puzzle game where players fill a grid by placing numbers in sequential order. Each move has strict placement rules, testing memory, spatial thinking, and planning skills. Compete globally on leaderboards and replay endlessly with varied challenges.

**Highlights:** Sequential number placement, Strict move rules, Memory and spatial training, Multiple grid sizes, Global leaderboards, Undo functionality, Endless replayability

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

**In-app purchases:** none


## Frequently asked questions

### Is lumen. free?

lumen. costs $3.99, with no in-app purchases.

### Is Gridbusters free?

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

### Which has better reviews, lumen. or Gridbusters?

Gridbusters is rated higher. lumen. averages 4.8 out of 5 from 41 ratings, while Gridbusters averages 5.0 from 2 ratings.

### Do lumen. or Gridbusters have ads?

Neither lumen. nor Gridbusters 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.*