# Anniversary Countdown Tracker vs KNB

The clearest difference is iOS requirement: Anniversary Countdown Tracker at 17.0 against KNB's 26.0. On price, ads, 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 | Anniversary Countdown Tracker | KNB |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Size | 4 MB | 1 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [LEAN ASIA CO., LTD](https://appshunter.io/developer/1815050814) | [Justin Lee](https://appshunter.io/developer/1370992736) |

## What reviewers say

### Anniversary Countdown Tracker

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

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

**In-app purchases:** none


### 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 Tracker free?

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

### Is KNB free?

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

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

Neither Anniversary Countdown Tracker nor KNB 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.*