# HappyBlockBox vs PRISM SLICE

The clearest difference is review sentiment: HappyBlockBox at 100% against PRISM SLICE's 0%. HappyBlockBox also leads on rating (5.0 vs 1.0) and ratings volume (7 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

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

HappyBlockBox holds the better App Store score, 5.0 against 1.0. That said, the two scores are not equally well evidenced: HappyBlockBox has 7 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of HappyBlockBox's written reviews are positive against 0% of PRISM SLICE's.

HappyBlockBox ships an update fortnightly, PRISM SLICE every 4 weeks. The most recent releases landed on October 2, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | HappyBlockBox | PRISM SLICE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/happyblockbox/id6792698655/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/prism-slice/id6793379061/reviews) |
| Number of ratings | **7** | 1 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 4 weeks |
| Monetization | Free | Free |
| Size | 77 MB | 108 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yelyzav Shevchenko](https://appshunter.io/developer/6777875612) | [Stephanie Frances Fazzi](https://appshunter.io/developer/6774021780) |

## What reviewers say

### HappyBlockBox

[App page](https://appshunter.io/ios/app/happyblockbox/id6792698655)

A colorful block puzzle game where you fill rows or columns to trigger satisfying clears. No energy or lives, just strategic piece placement. Features power-ups earned through gameplay and multiple modes.

**Highlights:** 8x8 block puzzle gameplay, Fill rows/columns for clears, Power-ups earned through play, Endless, Daily Challenge, and Levels modes, Tap or drag placement options, Customizable sound and haptics

**Features:** macOS Compatibility

**In-app purchases:** none


### PRISM SLICE

[App page](https://appshunter.io/ios/app/prism-slice/id6793379061)

An endless cutting puzzle game where strategic placement of shapes clears glowing tiles. Create combos and manage a growing grid across multiple game modes, including daily challenges and a relaxed Zen Flow option. No internet connection is required to play.

**Highlights:** Endless cutting puzzle gameplay, Dynamic board changes, Multiple game modes (Endless, Daily, Rift Rush, Zen Flow), Combo building and power-ups, Offline play supported, No account required

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HappyBlockBox free?

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

### Is PRISM SLICE free?

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

### Which has better reviews, HappyBlockBox or PRISM SLICE?

HappyBlockBox is rated higher. HappyBlockBox averages 5.0 out of 5 from 7 ratings, while PRISM SLICE averages 1.0 from 1 ratings.

### Do HappyBlockBox or PRISM SLICE have ads?

Neither HappyBlockBox nor PRISM SLICE shows ads.

### Which is updated more often, HappyBlockBox or PRISM SLICE?

HappyBlockBox ships an update fortnightly, and PRISM SLICE every 4 weeks. Most recently, HappyBlockBox was updated on October 2, 2026 and PRISM SLICE on October 6, 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.*