# Logic Islands vs NookGrid

The clearest difference is in-app purchases: NookGrid at none against Logic Islands's 3. NookGrid also leads on update cadence (every 2 days vs every 11 days). Logic Islands's advantage is ads (none vs shown) and ratings volume (13 vs 2). On price, rating, device support and iOS requirement there is nothing between them.

Both are free to download. Logic Islands sells 3 in-app purchases, starting at $9.00 per month. NookGrid asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Logic Islands against 5.0 for NookGrid. That said, the two scores are not equally well evidenced: Logic Islands has 13 ratings behind it against 2, so its average is the more settled of the two.

Logic Islands ships an update every 11 days, NookGrid every 2 days. The most recent releases landed on October 8, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Logic Islands | NookGrid |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (13 ratings)](https://appshunter.io/ios/app/logic-islands-deduction-game/id6760209096/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/nookgrid/id6813274587/reviews) |
| Number of ratings | **13** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 11 days | **Every 2 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 203 MB | 9 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [Logic Islands](https://appshunter.io/developer/1883218990) | [Alexander Jabbour](https://appshunter.io/developer/6813274589) |

## What reviewers say

### Logic Islands

[App page](https://appshunter.io/ios/app/logic-islands-deduction-game/id6760209096)

Engage in handcrafted deduction puzzles that go beyond typical logic games. Explore islands with unique rules, solve daily challenges, and master complex reasoning skills. This game offers a deep intellectual challenge for puzzle enthusiasts.

**Highlights:** Original deduction puzzles, Island-based logic challenges, Daily new puzzles, Leaderboards and streaks, Step-by-step hints and explanations, Learn propositional logic

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Logic Islands Pro Monthly | $9.00 | per month |
| Logic Islands Pro Yearly | $60.00 | per year |
| Logic Islands Pro Lifetime | $99.00 | one-time |


### NookGrid

[App page](https://appshunter.io/ios/app/nookgrid/id6813274587)

Arrange nine locations to match a daily neighborhood plan. Enjoy a new puzzle each day, maintain a streak, and replay past puzzles. The game works offline and progress is saved locally.

**Highlights:** Daily fresh puzzles, Daily completion streak, Revisit previous puzzles, Works offline, Progress saved locally, Share results

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Logic Islands free?

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

### Is NookGrid free?

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

### Which has better reviews, Logic Islands or NookGrid?

Logic Islands and NookGrid are both rated 5.0 out of 5 on the App Store, from 13 and 2 ratings respectively.

### Do Logic Islands or NookGrid have ads?

NookGrid shows ads; Logic Islands does not.

### Which is updated more often, Logic Islands or NookGrid?

Logic Islands ships an update every 11 days, and NookGrid every 2 days. Most recently, Logic Islands was updated on October 8, 2026 and NookGrid on October 11, 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.*