# Stack Number vs Abecedario Block

The clearest difference is iOS requirement: Abecedario Block at 13.0 against Stack Number's 15.0. 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.

Stack Number ships an update every 24 months, Abecedario Block every 27 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Stack Number | Abecedario Block |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/stack-number/id1048071754/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 24 months** | Every 27 months |
| Monetization | Ad-supported | — |
| Size | 17 MB | 83 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [亚州 王](https://appshunter.io/developer/991530214) | [Fernando Gonzalez Frias](https://appshunter.io/developer/582325220) |

## What reviewers say

### Stack Number

[App page](https://appshunter.io/ios/app/stack-number/id1048071754)

Tap to drop blocks and merge adjacent ones with the same value to create higher numbers. Aim for the highest score possible in this engaging puzzle game.

**Highlights:** Block dropping mechanic, Adjacent block merging, Number value progression, High score pursuit, Simple tap controls

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

**In-app purchases:** none


### Abecedario Block

[App page](https://appshunter.io/ios/app/abecedario-block/id1572321528)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Stack Number free?

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

### Is Abecedario Block free?

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

### Do Stack Number or Abecedario Block have ads?

Both Stack Number and Abecedario Block show ads.

### Which is updated more often, Stack Number or Abecedario Block?

Stack Number ships an update every 24 months, and Abecedario Block every 27 months. Most recently, Stack Number was updated on November 2, 2026 and Abecedario Block on November 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.*