# Quadrant Todos vs 要事四象限

The clearest difference is price: Quadrant Todos at Free against 要事四象限's $0.99. 要事四象限's advantage is iOS requirement (15.6 vs 17.0). On in-app purchases there is nothing between them.

Quadrant Todos is free to download; 要事四象限 costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Quadrant Todos | 要事四象限 |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | No | No |
| Update frequency | — | Every 33 months |
| Size | 3 MB | 17 MB |
| Requires iOS | 17.0 | **15.6** |
| Age rating | 4+ | 4+ |
| Developer | [臻昊 王](https://appshunter.io/developer/1583940586) | [超 孟](https://appshunter.io/developer/666754845) |

## What reviewers say

### Quadrant Todos

[App page](https://appshunter.io/ios/app/quadrant-todos/id1596391758)

**In-app purchases:** none


### 要事四象限

[App page](https://appshunter.io/ios/app/id6448916763)

**In-app purchases:** none


## Frequently asked questions

### Is Quadrant Todos free?

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

### Is 要事四象限 free?

要事四象限 costs $0.99, with no in-app purchases.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*