# Happy Bday vs Dadline

The clearest difference is ads: Dadline at none against Happy Bday's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Happy Bday ships an update weekly, Dadline every 2 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Happy Bday | Dadline |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 2 weeks |
| Size | 66 MB | 39 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [David Hoogendam](https://appshunter.io/developer/1808272715) | [Zafer Unlu](https://appshunter.io/developer/1892180399) |

## What reviewers say

### Happy Bday

[App page](https://appshunter.io/ios/app/happy-bday/id6754179933)

**In-app purchases:** none


### Dadline

[App page](https://appshunter.io/ios/app/dadline/id6761953765)

**In-app purchases:** none


## Frequently asked questions

### Is Happy Bday free?

Happy Bday is free to download, with no in-app purchases.

### Is Dadline free?

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

### Do Happy Bday or Dadline have ads?

Happy Bday shows ads; Dadline does not.

### Which is updated more often, Happy Bday or Dadline?

Happy Bday ships an update weekly, and Dadline every 2 weeks. Most recently, Happy Bday was updated on October 30, 2026 and Dadline on October 31, 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.*