# Immigrant Units vs Countdown until Anniversary

The clearest difference is ads: Immigrant Units at none against Countdown until Anniversary's shown. Immigrant Units also leads on iOS requirement (14.0 vs 17.6). On price, 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.

## The numbers

| Metric | Immigrant Units | Countdown until Anniversary |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | — | Every 4 months |
| Size | 1 MB | 18 MB |
| Requires iOS | **14.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Boris Giznevsky](https://appshunter.io/developer/1475508046) | [Aaron F Stephenson](https://appshunter.io/developer/391222344) |

## What reviewers say

### Immigrant Units

[App page](https://appshunter.io/ios/app/immigrant-units/id6463181064)

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

**In-app purchases:** none


### Countdown until Anniversary

[App page](https://appshunter.io/ios/app/countdown-until-anniversary/id6738866365)

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

**In-app purchases:** none


## Frequently asked questions

### Is Immigrant Units free?

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

### Is Countdown until Anniversary free?

Countdown until Anniversary is free to download, with no in-app purchases.

### Do Immigrant Units or Countdown until Anniversary have ads?

Countdown until Anniversary shows ads; Immigrant Units does not.

---

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