Nurikabe Vault vs Michi
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Nurikabe Vault
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.
- Hundreds of original Nurikabe puzzles
- Hand-crafted challenges
- Varying difficulty levels
- Multiple board sizes
- Unique artwork
- Includes rules and strategy guide
- Optional visual hints
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An abundance of original, hand-crafted nurikabe puzzles. Nurikabe is a logic puzzle from the inventors of sudoku. Simply build a wall that divides the board into areas given by the numbers. There's only one way to do it! This collection contains 500 all original, hand-crafted puzzles. Difficulty ranges from merely tricky to utterly fiendish. Sizes range from 6 x 6 to 9 x 11, each with distinct and unique artwork. A guide demonstrates the rules and beginning strategies. Optional visual hints point out problems, and a solution is detected immediately. This game does NOT: - show Advertisements - offer In-App Purchases - collect Analytics - collect any Personal Information whatsoever You can put your scores on an Apple Game Center leaderboard if you like. That's the only data that will ever leave your device.
Michi
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Embark on a Timeless Puzzle Journey Step into a fresh take on a classic puzzle game with Michi: World — a reimagined Slitherlink experience. Solve handcrafted puzzles and unlock new ages, from primitive stone huts to sleek space colonies. Each completed puzzle brings you closer to the next era, with no shortcuts—only clever thinking and satisfying progression. Replay earlier challenges, unlock new themes, and enjoy a calming yet brain-teasing experience.
Screenshots
Verdict
The clearest difference is price: Michi at Free against Nurikabe Vault's $0.99. Michi also leads on update cadence (every 3 days vs every 13 months). Nurikabe Vault's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Michi is free to download; Nurikabe Vault costs $0.99 up front. Michi sells 1 one-off in-app purchase. Nurikabe Vault asks for nothing beyond the download.
Nurikabe Vault ships an update every 13 months, Michi every 3 days. The most recent releases landed on November 1, 2026 and November 8, 2026 respectively.
| Parameter | Nurikabe Vault | Michi |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 4.3 (8 ratings) — better | — |
| Positive reviews | 86.2% of reviews | — |
| Number of ratings | 8 — better | — |
| Update frequency | Every 13 months | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 20 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | Rogers George | Ramon Ackermann |
In-app purchases
Nurikabe Vault
No in-app purchases
Michi
- Full Game$2.99
