# Engineering Adventures vs Preschool Memory Games

The clearest difference is rating: Preschool Memory Games at 5.0 against Engineering Adventures's 3.7. Preschool Memory Games also leads on update cadence (every 6 days vs every 7 months). Engineering Adventures's advantage is iOS requirement (8.0 vs 17.6). On price, ratings volume, 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.

Preschool Memory Games holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

Engineering Adventures ships an update every 7 months, Preschool Memory Games every 6 days. The most recent releases landed on October 15, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Engineering Adventures | Preschool Memory Games |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/engineering-adventures/id724905971/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/preschool-memory-games/id6754777128/reviews)** |
| Number of ratings | **3** | 2 |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 6 days** |
| Monetization | Free | Free |
| Size | 159 MB | 14 MB |
| Requires iOS | **8.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Museum of Science](https://appshunter.io/developer/700803386) | [Harini Gopalswamy](https://appshunter.io/developer/1849976833) |

## What reviewers say

### Engineering Adventures

[App page](https://appshunter.io/ios/app/engineering-adventures/id724905971)

This app complements an out-of-school engineering curriculum by providing audio messages triggered by QR codes in accompanying journals. It covers 11 different engineering units, from building earthquake-resistant structures to designing space gloves.

**Highlights:** QR code scanner, Audio messages from characters, 11 engineering units, Complements curriculum, Interactive learning

**Features:** macOS Compatibility

**In-app purchases:** none


### Preschool Memory Games

[App page](https://appshunter.io/ios/app/preschool-memory-games/id6754777128)

This game offers a fun and engaging way for preschoolers to develop memory, vocabulary, and recognition skills. It features a wide variety of categories, adjustable difficulty levels, and a daily challenge to keep young minds stimulated.

**Highlights:** 24+ matching categories, 10 difficulty levels per category, Star-based progression system, Daily challenge puzzles, Learn words, numbers, and letters, Designed for little hands, Privacy-friendly, no ads or tracking

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Engineering Adventures free?

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

### Is Preschool Memory Games free?

Preschool Memory Games is free to download, with no in-app purchases.

### Which has better reviews, Engineering Adventures or Preschool Memory Games?

Preschool Memory Games is rated higher. Engineering Adventures averages 3.7 out of 5 from 3 ratings, while Preschool Memory Games averages 5.0 from 2 ratings.

### Do Engineering Adventures or Preschool Memory Games have ads?

Neither Engineering Adventures nor Preschool Memory Games shows ads.

### Which is updated more often, Engineering Adventures or Preschool Memory Games?

Engineering Adventures ships an update every 7 months, and Preschool Memory Games every 6 days. Most recently, Engineering Adventures was updated on October 15, 2026 and Preschool Memory Games 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.*