# Hape Quadrilla vs Doulos

The clearest difference is update cadence: Doulos at weekly against Hape Quadrilla's every 4 months. On price, ads, 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.

Hape Quadrilla ships an update every 4 months, Doulos weekly. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Hape Quadrilla | Doulos |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (54 ratings)](https://appshunter.io/ios/app/hape-quadrilla/id1324043097/reviews)** | — |
| Number of ratings | **54** | — |
| Positive reviews | 31.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | Free | — |
| Size | 24 MB | 42 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hape](https://appshunter.io/developer/1324043096) | [Andrew Su](https://appshunter.io/developer/1707817272) |

## What reviewers say

### Hape Quadrilla

[App page](https://appshunter.io/ios/app/hape-quadrilla/id1324043097)

Inspire imaginative building with step-by-step instructions for creating marble run raceways. Offers varied challenges and encourages users to share their unique structures and mazes with a community of enthusiasts.

**Highlights:** Step-by-step building instructions, Varied challenges, Endless structure creation, Maze building, Community sharing

**Features:** macOS Compatibility

**In-app purchases:** none


### Doulos

[App page](https://appshunter.io/ios/app/doulos/id6466793482)

**In-app purchases:** none


## Frequently asked questions

### Is Hape Quadrilla free?

Hape Quadrilla is free to download, with no in-app purchases.

### Is Doulos free?

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

### Do Hape Quadrilla or Doulos have ads?

Neither Hape Quadrilla nor Doulos shows ads.

### Which is updated more often, Hape Quadrilla or Doulos?

Hape Quadrilla ships an update every 4 months, and Doulos weekly. Most recently, Hape Quadrilla was updated on October 24, 2026 and Doulos on October 8, 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.*