# Minimal Binary Clock vs Anniversary Countdown Tracker

The clearest difference is in-app purchases: Minimal Binary Clock at none against Anniversary Countdown Tracker's 3. Minimal Binary Clock also leads on device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price and ads there is nothing between them.

Both are free to download. Anniversary Countdown Tracker sells 3 in-app purchases, starting at $2.99 per 7 days. Minimal Binary Clock asks for nothing beyond the download.

## The numbers

| Metric | Minimal Binary Clock | Anniversary Countdown Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 4 months |
| Size | 32 MB | 4 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Juon Kawakami](https://appshunter.io/developer/1759914202) | [LEAN ASIA CO., LTD](https://appshunter.io/developer/1815050814) |

## What reviewers say

### Minimal Binary Clock

[App page](https://appshunter.io/ios/app/minimal-binary-clock/id6758262885)

**Features:** macOS Compatibility

**In-app purchases:** none


### Anniversary Countdown Tracker

[App page](https://appshunter.io/ios/app/anniversary-countdown-tracker/id6772254699)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Wedding Reminder Weekly | $2.99 | per 7 days |
| Couple Milestones Yearly | $14.99 | per year |
| Relationship Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is Minimal Binary Clock free?

Minimal Binary Clock is free to download, with no in-app purchases.

### Is Anniversary Countdown Tracker free?

Anniversary Countdown Tracker is free to download, with in-app purchases available.

### Do Minimal Binary Clock or Anniversary Countdown Tracker have ads?

Neither Minimal Binary Clock nor Anniversary Countdown Tracker shows ads.

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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.*