# Akari vs Sigma345

The clearest difference is price: Akari at Free against Sigma345's $0.49. Sigma345's advantage is in-app purchases (none vs 10) and ads (none vs shown). On iOS requirement there is nothing between them.

Akari is free to download; Sigma345 costs $0.49 up front. Akari sells 10 in-app purchases, starting at $2.49 per month. Sigma345 asks for nothing beyond the download.

## The numbers

| Metric | Akari | Sigma345 |
| --- | --- | --- |
| Price | **Free** | $0.49 |
| Rating | **[4.6 (30 ratings)](https://appshunter.io/ios/app/akari-light-up-your-brain/id6503335592/reviews)** | — |
| Number of ratings | **30** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 73 MB | 34 MB |
| Requires iOS | 15.6 | **15** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple TV, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Simon Schuster](https://appshunter.io/developer/1574107141) | [Thierry MATHIAS](https://appshunter.io/developer/1792597442) |

## What reviewers say

### Akari

[App page](https://appshunter.io/ios/app/akari-light-up-your-brain/id6503335592)

Place light bulbs on a grid to illuminate every square without bulbs shining on each other. Master hundreds of addictive logic puzzles with daily and weekly challenges.

**Highlights:** Daily puzzle challenges, Weekly challenges, Multiple difficulty levels, Logic puzzle packs, Solving strategy guide, Player statistics and progress tracking, Offline play

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Supporter (Monthly) | $2.49 | per month |
| Supporter (Annual) | $14.99 | per year |
| Beginner Pack 1 (5x5) | $0.99 | one-time |
| Beginner Pack 1 (10x10) | $0.99 | one-time |
| Beginner Pack 1 (7x7) | $0.99 | one-time |
| Beginner Pack 1 (14x14) | $0.99 | one-time |
| Advanced Pack 1 (5x5) | $1.99 | one-time |
| Genius Pack 1 (25x25) | $3.49 | one-time |
| Wizard Pack 1 (30x30) | $3.49 | one-time |
| Wizard Pack 1 (40x50) | $3.49 | one-time |


### Sigma345

[App page](https://appshunter.io/ios/app/sigma345/id6741017258)

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Akari free?

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

### Is Sigma345 free?

Sigma345 costs $0.49, with no in-app purchases.

### Do Akari or Sigma345 have ads?

Akari shows ads; Sigma345 does not.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*