# 4.Do vs When Did I…? Routine Memory

The clearest difference is update cadence: 4.Do at every 5 days against When Did I…? Routine Memory's every 2 months. 4.Do also leads on device support (3 vs 1). When Did I…? Routine Memory's advantage is iOS requirement (18.6 vs 26.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. 4.Do sells 6 in-app purchases, starting at $1.99 per month and When Did I…? Routine Memory sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

4.Do ships an update every 5 days, When Did I…? Routine Memory every 2 months. The most recent releases landed on October 13, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 4.Do | When Did I…? Routine Memory |
| --- | --- | --- |
| 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 | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 months |
| Monetization | Freemium | — |
| Size | 160 MB | 12 MB |
| Requires iOS | 26.0 | **18.6** |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ayodeji Shoola](https://appshunter.io/developer/1559443435) | [Martyn Thompson](https://appshunter.io/developer/1892144746) |

## What reviewers say

### 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 (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Monthly | $4.99 | per month |
| Monthly Premium | $4.99 | per month |
| Yearly | $19.99 | per year |
| Yearly Premium | $29.99 | per year |
| Yearly | $29.99 | per year |


### When Did I…? Routine Memory

[App page](https://appshunter.io/ios/app/when-did-i-routine-memory/id6761933089)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| When Did I Premium | $3.99 | per month |
| When Did I Premium | $19.99 | per year |


## Frequently asked questions

### Is 4.Do free?

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

### Is When Did I…? Routine Memory free?

When Did I…? Routine Memory is free to download, with in-app purchases available.

### Do 4.Do or When Did I…? Routine Memory have ads?

Neither 4.Do nor When Did I…? Routine Memory shows ads.

### Which is updated more often, 4.Do or When Did I…? Routine Memory?

4.Do ships an update every 5 days, and When Did I…? Routine Memory every 2 months. Most recently, 4.Do was updated on October 13, 2026 and When Did I…? Routine Memory on October 7, 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.*