# Anniversary Countdown+ vs KNB

The clearest difference is in-app purchases: KNB at none against Anniversary Countdown+'s 3. KNB also leads on ads (none vs shown). Anniversary Countdown+'s advantage is iOS requirement (17.6 vs 26.0). On price and device support there is nothing between them.

Both are free to download. Anniversary Countdown+ sells 3 in-app purchases, starting at $0.99 per month. KNB asks for nothing beyond the download.

## The numbers

| Metric | Anniversary Countdown+ | KNB |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 10 days | — |
| Size | 25 MB | 1 MB |
| Requires iOS | **17.6** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [tadashi atoji](https://appshunter.io/developer/431510057) | [Justin Lee](https://appshunter.io/developer/1370992736) |

## What reviewers say

### Anniversary Countdown+

[App page](https://appshunter.io/ios/app/anniversary-countdown-plus/id6760973006)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro version (monthly) | $0.99 | per month |
| Pro version(Year) | $9.99 | per year |
| Pro version (one-time purchase) | $17.99 | one-time |


### KNB

[App page](https://appshunter.io/ios/app/knb-anniversary-tracker/id6786082989)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Anniversary Countdown+ free?

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

### Is KNB free?

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

### Do Anniversary Countdown+ or KNB have ads?

Anniversary Countdown+ shows ads; KNB does not.

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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.*