# Shikaku vs Prisma Puzzles

The clearest difference is update cadence: Prisma Puzzles at daily against Shikaku's every 3 weeks. Shikaku's advantage is iOS requirement (15.6 vs 18.0). On price, ads, 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.

Shikaku ships an update every 3 weeks, Prisma Puzzles daily. The most recent releases landed on October 17, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Shikaku | Prisma Puzzles |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (14 ratings)](https://appshunter.io/ios/app/shikaku-rectangles/id6759557296/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 76.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Daily** |
| Monetization | Free | — |
| Size | 29 MB | 7 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [BRIDGE DIGITAL EUROPE LIMITED](https://appshunter.io/developer/1782316772) | [Aniruth Gnaneswaran](https://appshunter.io/developer/1893586331) |

## What reviewers say

### Shikaku

[App page](https://appshunter.io/ios/app/shikaku-rectangles/id6759557296)

Engage in a minimalist logic puzzle game where you divide a grid into rectangular pieces. Each piece must contain a number representing its total area. Enjoy daily challenges, endless modes, and customizable themes.

**Highlights:** Grid division logic puzzles, Daily puzzle chapters, Infinite puzzle generation, Customizable themes, XP system for mastery, Ad-free experience

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

**In-app purchases:** none


### Prisma Puzzles

[App page](https://appshunter.io/ios/app/prisma-puzzles/id6762262232)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Shikaku free?

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

### Is Prisma Puzzles free?

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

### Do Shikaku or Prisma Puzzles have ads?

Neither Shikaku nor Prisma Puzzles shows ads.

### Which is updated more often, Shikaku or Prisma Puzzles?

Shikaku ships an update every 3 weeks, and Prisma Puzzles daily. Most recently, Shikaku was updated on October 17, 2026 and Prisma Puzzles on October 7, 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.*