# Birthday Notation vs Simple Week

The clearest difference is price: Birthday Notation at Free against Simple Week's $0.99. Birthday Notation also leads on update cadence (monthly vs every 6 months) and iOS requirement (8.0 vs 17.0). Simple Week's advantage is in-app purchases (none vs 4). On ads and device support there is nothing between them.

Birthday Notation is free to download; Simple Week costs $0.99 up front. Birthday Notation sells 4 one-off in-app purchases. Simple Week asks for nothing beyond the download.

Birthday Notation ships an update monthly, Simple Week every 6 months. The most recent releases landed on September 13, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Birthday Notation | Simple Week |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 months |
| Size | 40 MB | 0 MB |
| Requires iOS | **8.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Snorre Widnes](https://appshunter.io/developer/1041817122) | [Ebey Tech LLC](https://appshunter.io/developer/1070086766) |

## 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 |


### Simple Week

[App page](https://appshunter.io/ios/app/simple-week/id1601112672)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Birthday Notation free?

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

### Is Simple Week free?

Simple Week costs $0.99, with no in-app purchases.

### Do Birthday Notation or Simple Week have ads?

Neither Birthday Notation nor Simple Week shows ads.

### Which is updated more often, Birthday Notation or Simple Week?

Birthday Notation ships an update monthly, and Simple Week every 6 months. Most recently, Birthday Notation was updated on September 13, 2026 and Simple Week on September 20, 2026.

---

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