# KilitApp vs BioSmile AI

The clearest difference is in-app purchases: KilitApp at none against BioSmile AI's 2. KilitApp also leads on iOS requirement (13.0 vs 15.1). BioSmile AI's advantage is update cadence (every 5 days vs every 11 months). On price, ads and device support there is nothing between them.

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

KilitApp ships an update every 11 months, BioSmile AI every 5 days. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | KilitApp | BioSmile AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 5 days** |
| Size | 190 MB | 155 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [ARTES KAPI DONANIM TEKNOLOJILERI SANAYI VE TICARET LIMITED SIRKETI](https://appshunter.io/developer/1536719908) | [BAHATTIN BERKE COBAN](https://appshunter.io/developer/1873855595) |

## What reviewers say

### KilitApp

[App page](https://appshunter.io/ios/app/kilitapp/id1536719906)

**Features:** macOS Compatibility

**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 KilitApp free?

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

### Is BioSmile AI free?

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

### Do KilitApp or BioSmile AI have ads?

Neither KilitApp nor BioSmile AI shows ads.

### Which is updated more often, KilitApp or BioSmile AI?

KilitApp ships an update every 11 months, and BioSmile AI every 5 days. Most recently, KilitApp was updated on October 25, 2026 and BioSmile AI on October 31, 2026.

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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.*