# Puzzle vs Stack Up

The clearest difference is review sentiment: Stack Up at 100% against Puzzle's 50%. Stack Up also leads on rating (5.0 vs 2.0) and in-app purchases (none vs 2). Puzzle's advantage is device support (3 vs 1). On price, update cadence and ads there is nothing between them.

Both are free to download. Puzzle sells 2 in-app purchases, starting at $12.99 per month. Stack Up asks for nothing beyond the download.

Stack Up holds the better App Store score, 5.0 against 2.0. That said, the two scores are not equally well evidenced: Stack Up has 6 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 50% of Puzzle's written reviews are positive against 100% of Stack Up's.

Puzzle ships an update every 3 months, Stack Up every 2 months. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Puzzle | Stack Up |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (1 ratings)](https://appshunter.io/ios/app/puzzle-amikeo-apps/id874919456/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/stack-up-stack-items-bottom-up-to-build-a-tower/id1135865797/reviews)** |
| Number of ratings | 1 | **6** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Freemium | **Free** |
| Size | 53 MB | 65 MB |
| Requires iOS | 15.6 | **7.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [AUTICIEL](https://appshunter.io/developer/495565739) | [STEP BY STEP](https://appshunter.io/developer/961412234) |

## What reviewers say

### Puzzle

[App page](https://appshunter.io/ios/app/puzzle-amikeo-apps/id874919456)

This app helps children learn to solve puzzles with a step-by-step approach. It offers various difficulty levels and puzzle shapes, with the ability to add custom images. Designed with educators, it develops logical reasoning, concentration, and motor skills.

**Highlights:** Step-by-step puzzle solving, 18 difficulty levels, Customizable image library, Develops logical reasoning, Improves motor skills, Shape and animal recognition

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Abonnement Amikeo | $12.99 | per month |
| Abonnement Amikeo | $149.99 | per year |


### Stack Up

[App page](https://appshunter.io/ios/app/stack-up-stack-items-bottom-up-to-build-a-tower/id1135865797)

This educational app helps children aged 2.5 and up learn to arrange items by width. It fosters visual perception and primary math skills through engaging, simple activities. Designed for young learners, it avoids distractions and offers progress tracking for educators.

**Highlights:** Arranging items by width, Develops visual perception, Teaches primary math concepts, Progress tracking for educators, Safe for children, Simple and intuitive design

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Puzzle free?

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

### Is Stack Up free?

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

### Which has better reviews, Puzzle or Stack Up?

Stack Up is rated higher. Puzzle averages 2.0 out of 5 from 1 ratings, while Stack Up averages 5.0 from 6 ratings.

### Do Puzzle or Stack Up have ads?

Neither Puzzle nor Stack Up shows ads.

### Which is updated more often, Puzzle or Stack Up?

Puzzle ships an update every 3 months, and Stack Up every 2 months. Most recently, Puzzle was updated on November 1, 2026 and Stack Up on November 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.*