# Nurikabe Vault vs Achromatic!

Nurikabe Vault and Achromatic! both sit at 4.3 stars, but that hides the real split: 86% of Nurikabe Vault's written reviews are positive against 38% of Achromatic!'s. Nurikabe Vault also leads on price ($0.99 vs $2.99). Achromatic!'s advantage is iOS requirement (9.0 vs 16.6). On rating, ratings volume, update cadence and ads there is nothing between them.

Nurikabe Vault costs $0.99 and Achromatic! $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.3 for Nurikabe Vault against 4.3 for Achromatic!. Both are backed by a comparable volume of ratings — 8 and 4 respectively. Written reviews are what separate them: 86% of Nurikabe Vault's written reviews are positive against 38% of Achromatic!'s.

Nurikabe Vault ships an update every 13 months, Achromatic! every 9 months. The most recent releases landed on October 23, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Nurikabe Vault | Achromatic! |
| --- | --- | --- |
| Price | **$0.99** | $2.99 |
| Rating | [4.3 (8 ratings)](https://appshunter.io/ios/app/nurikabe-vault/id344653774/reviews) | [4.3 (4 ratings)](https://appshunter.io/ios/app/achromatic/id1434235674/reviews) |
| Number of ratings | **8** | 4 |
| Positive reviews | **86.2% of reviews** | 38.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 9 months** |
| Monetization | Paid | Paid |
| Size | 20 MB | 101 MB |
| Requires iOS | 16.6 | **9.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Rogers George](https://appshunter.io/developer/344653780) | [Nick Carney](https://appshunter.io/developer/1434235673) |

## What reviewers say

### Nurikabe Vault

[App page](https://appshunter.io/ios/app/nurikabe-vault/id344653774)

Engage your logic with a vast collection of original Nurikabe puzzles. This game offers hundreds of hand-crafted challenges, ranging in difficulty and size, with unique artwork for each board. Learn the rules and strategies with an included guide, and enjoy a pure puzzle experience without ads or data collection.

**Highlights:** Hundreds of original Nurikabe puzzles, Hand-crafted challenges, Varying difficulty levels, Multiple board sizes, Unique artwork, Includes rules and strategy guide, Optional visual hints

**Features:** Vision Pro support

**In-app purchases:** none


### Achromatic!

[App page](https://appshunter.io/ios/app/achromatic/id1434235674)

A minimalist puzzle game where you connect dots of the same color to achieve a single cohesive hue. Strategically draw lines, utilizing unique dot properties to solve increasingly complex levels. Enjoy a relaxing soundtrack and a smooth difficulty curve with bonus challenges.

**Highlights:** Connect same-colored dots, Unique dot properties, 60 handcrafted levels, 10 bonus levels, Color blind mode, Original soundtrack

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

**In-app purchases:** none

**What reviewers like**

- 👍 Intuitive and challenging
- 🧘 Relaxing and focusing
- ✨ Minimalist design
- 🧠 Addictive puzzler
- 💡 Totally original concept

**What reviewers complain about**

- ⚠️ Too hard for some
- ❌ Game doesn't load
- 🚫 Subscription required
- ⏳ Trial too short
- 💰 Expensive subscription

**Reported bugs**

- App stuck on loading screen
- Three circling dots issue
- Subscription glitch

**Requested features**

- More levels/content
- Hint button
- Skip button
- Color blind support
- Night shift mode


## Frequently asked questions

### Is Nurikabe Vault free?

Nurikabe Vault costs $0.99, with no in-app purchases.

### Is Achromatic! free?

Achromatic! costs $2.99, with no in-app purchases.

### Which has better reviews, Nurikabe Vault or Achromatic!?

Nurikabe Vault and Achromatic! are both rated 4.3 out of 5 on the App Store, from 8 and 4 ratings respectively.

### Do Nurikabe Vault or Achromatic! have ads?

Neither Nurikabe Vault nor Achromatic! shows ads.

### Which is updated more often, Nurikabe Vault or Achromatic!?

Nurikabe Vault ships an update every 13 months, and Achromatic! every 9 months. Most recently, Nurikabe Vault was updated on October 23, 2026 and Achromatic! on October 29, 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.*