# MindSpark vs Shikaku

The clearest difference is rating: Shikaku at 5.0 against MindSpark's 4.5. Shikaku also leads on update cadence (every 2 days vs every 10 days). MindSpark's advantage is ratings volume (4 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Shikaku holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

MindSpark ships an update every 10 days, Shikaku every 2 days. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | MindSpark | Shikaku |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (4 ratings)](https://appshunter.io/ios/app/mindspark-brain-training/id6760383299/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/shikaku-rectangle-puzzle/id6790356870/reviews)** |
| Number of ratings | **4** | 1 |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 10 days | **Every 2 days** |
| Monetization | Ad-supported | Ad-supported |
| Size | 27 MB | 67 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Blas Prieto](https://appshunter.io/developer/1878084920) | [Sedat Ates](https://appshunter.io/developer/1778958285) |

## What reviewers say

### MindSpark

[App page](https://appshunter.io/ios/app/mindspark-brain-training/id6760383299)

Train your cognitive skills with daily challenges in math, memory, patterns, words, and logic. Sessions are timed, and difficulty adjusts to your performance. Track your progress and see your "brain age."

**Highlights:** Daily rotating challenge types, 60-second timed sessions, Brain age calculation, Adaptive difficulty scaling, Category score tracking, Streak tracking

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

**In-app purchases:** none


### Shikaku

[App page](https://appshunter.io/ios/app/shikaku-rectangle-puzzle/id6790356870)

This logic puzzle game challenges you to divide a grid into rectangles. Each number clue dictates the size of the rectangle it belongs to, with the goal of covering the entire board. Enjoy multiple difficulty levels and a daily challenge.

**Highlights:** Rectangle logic puzzles, Daily puzzle generation, Four difficulty levels, Best times and streaks tracking, Undo and hint features, Notebook visual style

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

**In-app purchases:** none


## Frequently asked questions

### Is MindSpark free?

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

### Is Shikaku free?

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

### Which has better reviews, MindSpark or Shikaku?

Shikaku is rated higher. MindSpark averages 4.5 out of 5 from 4 ratings, while Shikaku averages 5.0 from 1 ratings.

### Do MindSpark or Shikaku have ads?

Both MindSpark and Shikaku show ads.

### Which is updated more often, MindSpark or Shikaku?

MindSpark ships an update every 10 days, and Shikaku every 2 days. Most recently, MindSpark was updated on October 24, 2026 and Shikaku on October 30, 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.*