# K vs Simple Aligner Timer

The clearest difference is iOS requirement: K at 9.0 against Simple Aligner Timer's 17.2. 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 | K | Simple Aligner Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/simple-aligner-timer/id6763320886/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 9 days |
| Monetization | — | Free |
| Size | 45 MB | 4 MB |
| Requires iOS | **9.0** | 17.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [KANNA YASUDA](https://appshunter.io/developer/1624687799) | [YUNOSUKE TAKAHASHI](https://appshunter.io/developer/1895262960) |

## What reviewers say

### K

[App page](https://appshunter.io/ios/app/k-boxingstudiok7/id1624687797)

**In-app purchases:** none


### Simple Aligner Timer

[App page](https://appshunter.io/ios/app/simple-aligner-timer/id6763320886)

Easily monitor your aligner or retainer wear time. Start the timer when you remove your device for meals or brushing. The app automatically calculates your daily wear, promoting consistency.

**Highlights:** Track aligner/retainer wear time, Automatic daily wear calculation, Timer for device removal periods, Promotes wear consistency

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

**In-app purchases:** none


## Frequently asked questions

### Is K free?

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

### Is Simple Aligner Timer free?

Simple Aligner Timer is free to download, with no in-app purchases.

### Do K or Simple Aligner Timer have ads?

Neither K nor Simple Aligner Timer 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.*