# No.9 vs ArrayQuest

The clearest difference is price: ArrayQuest at Free against No.9's $1.99. ArrayQuest also leads on update cadence (daily vs every 6 weeks). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

ArrayQuest is free to download; No.9 costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

No.9 ships an update every 6 weeks, ArrayQuest daily. The most recent releases landed on September 23, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | No.9 | ArrayQuest |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (12 ratings)](https://appshunter.io/ios/app/no9/id1658844106/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 92.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Daily** |
| Monetization | Free | — |
| Size | 175 MB | 31 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Maciej Targoni](https://appshunter.io/developer/495165602) | [Applane](https://appshunter.io/developer/1836848119) |

## What reviewers say

### No.9

[App page](https://appshunter.io/ios/app/no9/id1658844106)

Immerse yourself in a tranquil puzzle experience with evolving geometric forms and a serene soundtrack. Synchronize elements in form and time to achieve deep relaxation and contemplation. This app offers a score-free, ad-free, and data-free environment for peaceful engagement.

**Highlights:** Tranquil puzzly vacuum, Evolving geometric forms, Serene, slow-paced rhythm, Synchronize form and time, No scores, ads, or IAPs, Original soundtrack

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

**In-app purchases:** none


### ArrayQuest

[App page](https://appshunter.io/ios/app/arrayquest-algorithm-puzzle/id6769298227)

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

**In-app purchases:** none


## Frequently asked questions

### Is No.9 free?

No.9 costs $1.99, with no in-app purchases.

### Is ArrayQuest free?

ArrayQuest is free to download, with no in-app purchases.

### Do No.9 or ArrayQuest have ads?

Neither No.9 nor ArrayQuest shows ads.

### Which is updated more often, No.9 or ArrayQuest?

No.9 ships an update every 6 weeks, and ArrayQuest daily. Most recently, No.9 was updated on September 23, 2026 and ArrayQuest on September 8, 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.*