# The Quest for Knowledge vs Bauhaus Echo

The clearest difference is in-app purchases: The Quest for Knowledge at none against Bauhaus Echo's 1. The Quest for Knowledge also leads on ads (none vs shown) and update cadence (every 11 days vs every 3 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Bauhaus Echo sells 1 one-off in-app purchase. The Quest for Knowledge asks for nothing beyond the download.

The Quest for Knowledge ships an update every 11 days, Bauhaus Echo every 3 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | The Quest for Knowledge | Bauhaus Echo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 11 days** | Every 3 weeks |
| Size | 6 MB | 72 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NapTech Lab](https://appshunter.io/developer/1561520677) | [Such Software](https://appshunter.io/developer/1876359235) |

## What reviewers say

### The Quest for Knowledge

[App page](https://appshunter.io/ios/app/the-quest-for-knowledge/id6504160543)

**Features:** macOS Compatibility

**In-app purchases:** none


### Bauhaus Echo

[App page](https://appshunter.io/ios/app/bauhaus-echo/id6759010657)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is The Quest for Knowledge free?

The Quest for Knowledge is free to download, with no in-app purchases.

### Is Bauhaus Echo free?

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

### Do The Quest for Knowledge or Bauhaus Echo have ads?

Bauhaus Echo shows ads; The Quest for Knowledge does not.

### Which is updated more often, The Quest for Knowledge or Bauhaus Echo?

The Quest for Knowledge ships an update every 11 days, and Bauhaus Echo every 3 weeks. Most recently, The Quest for Knowledge was updated on October 25, 2026 and Bauhaus Echo on October 24, 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.*