# Unstable! vs Nonogram 9

The clearest difference is rating: Nonogram 9 at 4.5 against Unstable!'s 3.8. Nonogram 9 also leads on ads (none vs shown) and monetization model (free vs ad-supported). Unstable!'s advantage is update cadence (every 4 months vs every 12 months). On price, ratings volume, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Nonogram 9 holds the better App Store score, 4.5 against 3.8. Both are backed by a comparable volume of ratings — 5 and 6 respectively.

Unstable! ships an update every 4 months, Nonogram 9 every 12 months. The most recent releases landed on October 24, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Unstable! | Nonogram 9 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (5 ratings)](https://appshunter.io/ios/app/unstable/id1282444122/reviews) | **[4.5 (6 ratings)](https://appshunter.io/ios/app/nonogram-9/id1452952835/reviews)** |
| Number of ratings | 5 | **6** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 4 months** | Every 12 months |
| Monetization | Ad-supported | **Free** |
| Size | 153 MB | 56 MB |
| Requires iOS | 13.0 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +4 | 4+ |
| Developer | [Leonardo Amora](https://appshunter.io/developer/690988469) | [Myungil Kim](https://appshunter.io/developer/995113058) |

## What reviewers say

### Unstable!

[App page](https://appshunter.io/ios/app/unstable/id1282444122)

Control a bar to defend falling balls from a central core. Collect power-ups to enhance your gameplay and see how long you can survive. Enjoy endless, casual fun with new levels and music.

**Highlights:** Defend falling balls, Move bar with touch/drag, Collect power-ups, Endless gameplay, New level, new song, Casual mechanics

**Features:** Vision Pro support

**In-app purchases:** none


### Nonogram 9

[App page](https://appshunter.io/ios/app/nonogram-9/id1452952835)

This logic puzzle game challenges your thinking and attention to detail. Solve over 1,000 unique puzzles across various grid sizes to reveal complete pictures. Features include automatic saving and helpful hints.

**Highlights:** Over 1,000 unique puzzles, Multiple grid sizes (10x10, 15x15, 20x20), Automatic game save, Auto X Fill, Hint system

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

**In-app purchases:** none


## Frequently asked questions

### Is Unstable! free?

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

### Is Nonogram 9 free?

Nonogram 9 is free to download, with no in-app purchases.

### Which has better reviews, Unstable! or Nonogram 9?

Nonogram 9 is rated higher. Unstable! averages 3.8 out of 5 from 5 ratings, while Nonogram 9 averages 4.5 from 6 ratings.

### Do Unstable! or Nonogram 9 have ads?

Unstable! shows ads; Nonogram 9 does not.

### Which is updated more often, Unstable! or Nonogram 9?

Unstable! ships an update every 4 months, and Nonogram 9 every 12 months. Most recently, Unstable! was updated on October 24, 2026 and Nonogram 9 on October 6, 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.*