# QUO vs 4.Do

The clearest difference is in-app purchases: QUO at none against 4.Do's 2. QUO also leads on iOS requirement (15.0 vs 26.0). 4.Do's advantage is update cadence (every 5 days vs every 20 months). On price, ads and device support there is nothing between them.

Both are free to download. 4.Do sells 2 in-app purchases, starting at $4.99 per month. QUO asks for nothing beyond the download.

QUO ships an update every 20 months, 4.Do every 5 days. Both last shipped on November 3, 2026.

## The numbers

| Metric | QUO | 4.Do |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (17 ratings)](https://appshunter.io/ios/app/4do-task-to-do-goal-list/id6443960155/reviews)** |
| Number of ratings | — | **17** |
| Positive reviews | — | 90.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 5 days** |
| Monetization | — | Freemium |
| Size | 84 MB | 160 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Lisbeth Portillo](https://appshunter.io/developer/1537033849) | [Ayodeji Shoola](https://appshunter.io/developer/1559443435) |

## What reviewers say

### QUO

[App page](https://appshunter.io/ios/app/quo/id1537033847)

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

**In-app purchases:** none


### 4.Do

[App page](https://appshunter.io/ios/app/4do-task-to-do-goal-list/id6443960155)

This app helps you organize and prioritize tasks using the Eisenhower Matrix. Break down projects, set reminders, and collaborate with others to boost your productivity and achieve your goals.

**Highlights:** Eisenhower Matrix 4-Quadrant organization, Focused Mode for specific quadrants, Subtasks and checklists, Task attachments (photos), Smart reminders and recurring tasks, Seamless multi-device sync, Collaboration features

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Yearly | $29.99 | per year |


## Frequently asked questions

### Is QUO free?

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

### Is 4.Do free?

4.Do is free to download, with in-app purchases available.

### Do QUO or 4.Do have ads?

Neither QUO nor 4.Do shows ads.

### Which is updated more often, QUO or 4.Do?

QUO ships an update every 20 months, and 4.Do every 5 days. Most recently, QUO was updated on November 3, 2026 and 4.Do on November 3, 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.*