# Birthday Notation vs Lock Screen Memo

The clearest difference is device support: Birthday Notation at 3 against Lock Screen Memo's 1. Birthday Notation also leads on iOS requirement (8.0 vs 18.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Birthday Notation sells 4 one-off in-app purchases and Lock Screen Memo sells 2 in-app purchases, starting at $3.69 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 20, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Birthday Notation | Lock Screen Memo |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | — | Freemium |
| Size | 40 MB | 343 MB |
| Requires iOS | **8.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Snorre Widnes](https://appshunter.io/developer/1041817122) | [BOOGIOS_STUDIO](https://appshunter.io/developer/1707135670) |

## What reviewers say

### Birthday Notation

[App page](https://appshunter.io/ios/app/birthday-notation/id1268720677)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 delete | $0.99 | one-time |
| 5 deletes | $3.99 | one-time |
| 10 deletes | $6.99 | one-time |
| 20 deletes | $9.99 | one-time |


### Lock Screen Memo

[App page](https://appshunter.io/ios/app/lock-screen-memo-note-widget/id6789650710)

Display a personalized note directly on your Lock Screen with customizable text, colors, fonts, and even photos. Keep important reminders, affirmations, or checklists visible at a glance without opening any apps. Your data remains private on your device.

**Highlights:** Lock Screen widget for notes, Customizable text, color, and font, Add photos to memos, 70+ designs and fonts, Private and device-based storage, Apple Shortcut integration

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $3.69 | per month |
| Pro Yearly | $31.49 | per year |


## Frequently asked questions

### Is Birthday Notation free?

Birthday Notation is free to download, with in-app purchases available.

### Is Lock Screen Memo free?

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

### Do Birthday Notation or Lock Screen Memo have ads?

Neither Birthday Notation nor Lock Screen Memo shows ads.

### Which is updated more often, Birthday Notation or Lock Screen Memo?

Birthday Notation ships an update monthly, and Lock Screen Memo monthly. Most recently, Birthday Notation was updated on October 20, 2026 and Lock Screen Memo on October 17, 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.*