# Birthday Notation vs Grid Frontline

The clearest difference is in-app purchases: Grid Frontline at none against Birthday Notation's 4. Birthday Notation's advantage is iOS requirement (8.0 vs 16.4). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Birthday Notation sells 4 one-off in-app purchases. Grid Frontline asks for nothing beyond the download.

Birthday Notation ships an update monthly, Grid Frontline every 3 weeks. The most recent releases landed on October 26, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Birthday Notation | Grid Frontline |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Size | 40 MB | 72 MB |
| Requires iOS | **8.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Snorre Widnes](https://appshunter.io/developer/1041817122) | [Pragyaam Data Technologies Pvt. Ltd.](https://appshunter.io/developer/1444515514) |

## 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 |


### Grid Frontline

[App page](https://appshunter.io/ios/app/grid-frontline/id1645262788)

**Features:** macOS Compatibility, 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 Grid Frontline free?

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

### Do Birthday Notation or Grid Frontline have ads?

Neither Birthday Notation nor Grid Frontline shows ads.

### Which is updated more often, Birthday Notation or Grid Frontline?

Birthday Notation ships an update monthly, and Grid Frontline every 3 weeks. Most recently, Birthday Notation was updated on October 26, 2026 and Grid Frontline 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.*