# KnowLedge Alarm vs BioSmile AI

The clearest difference is in-app purchases: KnowLedge Alarm at none against BioSmile AI's 2. KnowLedge Alarm also leads on iOS requirement (12.0 vs 15.1). BioSmile AI's advantage is device support. On price there is nothing between them.

Both are free to download. BioSmile AI sells 2 in-app purchases, starting at $19.99 per month. KnowLedge Alarm asks for nothing beyond the download.

## The numbers

| Metric | KnowLedge Alarm | BioSmile AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Every 9 days |
| Size | 172 MB | 143 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Beylerbeyi Genel Güvenlik Sistemleri Ltd.Şti.](https://appshunter.io/developer/1490993898) | [BIOSMILE AI SAGLIK TEKNOLOJILERI LIMITED SIRKETI](https://appshunter.io/developer/1873855595) |

## What reviewers say

### KnowLedge Alarm

[App page](https://appshunter.io/ios/app/knowledge-alarm/id6449666881)

**In-app purchases:** none


### BioSmile AI

[App page](https://appshunter.io/ios/app/biosmile-ai/id6759028952)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BioSmile Plus+ Monthly | $19.99 | per month |
| BioSmile Plus+ Annual | $191.99 | per year |


## Frequently asked questions

### Is KnowLedge Alarm free?

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

### Is BioSmile AI free?

BioSmile AI is free to download, with in-app purchases available.

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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.*