# Due Date Pro vs Useful Lock Screen Memo

The clearest difference is update cadence: Useful Lock Screen Memo at weekly against Due Date Pro's fortnightly. Due Date Pro's advantage is iOS requirement (17.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Due Date Pro sells 1 one-off in-app purchase and Useful Lock Screen Memo sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Due Date Pro ships an update fortnightly, Useful Lock Screen Memo weekly. The most recent releases landed on October 7, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Due Date Pro | Useful Lock Screen Memo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | **Weekly** |
| Size | 9 MB | 118 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Anbery](https://appshunter.io/developer/1887025046) | [katapu.net](https://appshunter.io/developer/381898924) |

## What reviewers say

### Due Date Pro

[App page](https://appshunter.io/ios/app/due-date-pro/id6790180714)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Pro (Ad-Free) | $2.99 | one-time |


### Useful Lock Screen Memo

[App page](https://appshunter.io/ios/app/useful-lock-screen-memo/id6799839918)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $5.99 | one-time |


## Frequently asked questions

### Is Due Date Pro free?

Due Date Pro is free to download, with in-app purchases available.

### Is Useful Lock Screen Memo free?

Useful Lock Screen Memo is free to download, with in-app purchases available.

### Do Due Date Pro or Useful Lock Screen Memo have ads?

Both Due Date Pro and Useful Lock Screen Memo show ads.

### Which is updated more often, Due Date Pro or Useful Lock Screen Memo?

Due Date Pro ships an update fortnightly, and Useful Lock Screen Memo weekly. Most recently, Due Date Pro was updated on October 7, 2026 and Useful Lock Screen Memo on October 12, 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.*