# Quadrant vs Qurdo

The clearest difference is update cadence: Qurdo at every 4 days against Quadrant's every 4 months. Qurdo also leads on iOS requirement (15.1 vs 18.6). 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.

Quadrant ships an update every 4 months, Qurdo every 4 days. The most recent releases landed on September 29, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Quadrant | Qurdo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 days** |
| Size | 1 MB | 33 MB |
| Requires iOS | 18.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [宁 赵](https://appshunter.io/developer/1879334826) | [鹏宇 程](https://appshunter.io/developer/6788971109) |

## What reviewers say

### Quadrant

[App page](https://appshunter.io/ios/app/quadrant/id6762456282)

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

**In-app purchases:** none


### Qurdo

[App page](https://appshunter.io/ios/app/qurdo/id6789100627)

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

**In-app purchases:** none


## Frequently asked questions

### Is Quadrant free?

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

### Is Qurdo free?

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

### Do Quadrant or Qurdo have ads?

Neither Quadrant nor Qurdo shows ads.

### Which is updated more often, Quadrant or Qurdo?

Quadrant ships an update every 4 months, and Qurdo every 4 days. Most recently, Quadrant was updated on September 29, 2026 and Qurdo on October 1, 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.*