# Engineering Adventures vs Ring The Bell!

The clearest difference is ads: Engineering Adventures at none against Ring The Bell!'s shown. Engineering Adventures also leads on update cadence (every 7 months vs every 25 months) and iOS requirement (8.0 vs 12.0). On price, in-app purchases and device support there is nothing between them.

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

Engineering Adventures ships an update every 7 months, Ring The Bell! every 25 months. The most recent releases landed on September 29, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Engineering Adventures | Ring The Bell! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/engineering-adventures/id724905971/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 7 months** | Every 25 months |
| Monetization | Free | — |
| Size | 159 MB | 84 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Museum of Science](https://appshunter.io/developer/700803386) | [omer cetin](https://appshunter.io/developer/1584332419) |

## 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


### Ring The Bell!

[App page](https://appshunter.io/ios/app/ring-the-bell/id1625502702)

**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 Ring The Bell! free?

Ring The Bell! is free to download, with no in-app purchases.

### Do Engineering Adventures or Ring The Bell! have ads?

Ring The Bell! shows ads; Engineering Adventures does not.

### Which is updated more often, Engineering Adventures or Ring The Bell!?

Engineering Adventures ships an update every 7 months, and Ring The Bell! every 25 months. Most recently, Engineering Adventures was updated on September 29, 2026 and Ring The Bell! on October 2, 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.*