# Stakko vs Slab

The clearest difference is update cadence: Slab at every 3 days against Stakko's every 2 weeks. Slab also leads on iOS requirement (15.0 vs 17.6). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Stakko sells 2 in-app purchases, starting at $3.99 per month and Slab sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Stakko against 5.0 for Slab. Both are backed by a comparable volume of ratings — 9 and 8 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Stakko ships an update every 2 weeks, Slab every 3 days. The most recent releases landed on October 10, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Stakko | Slab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (9 ratings)](https://appshunter.io/ios/app/stakko-daily-sort-puzzle/id6779988243/reviews) | [5.0 (8 ratings)](https://appshunter.io/ios/app/slab-zen-stack/id6790939204/reviews) |
| Number of ratings | **9** | 8 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 14 MB | 140 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Luke McGinley](https://appshunter.io/developer/1896761938) | [QUIETSPIRE LLC](https://appshunter.io/developer/6790939206) |

## What reviewers say

### Stakko

[App page](https://appshunter.io/ios/app/stakko-daily-sort-puzzle/id6779988243)

A relaxing block-sorting puzzle game where you slide numbered blocks to match specific column goals. Offers daily challenges, curated puzzles, and a timed mode for strategic gameplay. Designed for a clean and satisfying user experience.

**Highlights:** Daily block-sorting challenges, Easy, Medium, and Hard curated puzzles, Timed Gauntlet mode, Progress tracking with stats and streaks, Clean and relaxing interface, Supports iPhone and iPad

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stakko+ Monthly | $3.99 | per month |
| Stakko+ Yearly | $24.99 | per year |


### Slab

[App page](https://appshunter.io/ios/app/slab-zen-stack/id6790939204)

A relaxing, one-tap block-stacking game where precision is key. Build your tower higher by landing blocks perfectly, with challenges increasing as your target shrinks. Unlock new skins and worlds by playing.

**Highlights:** One-tap block dropping gameplay, Increasingly challenging target, Perfect landing bonuses, Unlockable skins and worlds, Daily gifts and challenges, Rewarded ads for revives/crystals

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |


## Frequently asked questions

### Is Stakko free?

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

### Is Slab free?

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

### Which has better reviews, Stakko or Slab?

Stakko and Slab are both rated 5.0 out of 5 on the App Store, from 9 and 8 ratings respectively.

### Do Stakko or Slab have ads?

Both Stakko and Slab show ads.

### Which is updated more often, Stakko or Slab?

Stakko ships an update every 2 weeks, and Slab every 3 days. Most recently, Stakko was updated on October 10, 2026 and Slab on October 3, 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.*