# Fluorid Check vs Dentin

The clearest difference is in-app purchases: Fluorid Check at none against Dentin's 2. Dentin's advantage is ads (none vs shown) and iOS requirement (15.1 vs 17.6). On price, update cadence and device support there is nothing between them.

Both are free to download. Dentin sells 2 in-app purchases, starting at $6.99 per month. Fluorid Check asks for nothing beyond the download.

Fluorid Check ships an update monthly, Dentin every 3 weeks. The most recent releases landed on November 12, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Fluorid Check | Dentin |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 3 weeks** |
| Size | 28 MB | 23 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Alexander Kettler](https://appshunter.io/developer/1702408643) | [Bohdan Solovei](https://appshunter.io/developer/1795225926) |

## What reviewers say

### Fluorid Check

[App page](https://appshunter.io/ios/app/fluorid-check/id6461217155)

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

**In-app purchases:** none


### Dentin

[App page](https://appshunter.io/ios/app/dentin-dental-work-organized/id6744523112)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $6.99 | per month |
| Yearly | $59.99 | per year |


## Frequently asked questions

### Is Fluorid Check free?

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

### Is Dentin free?

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

### Do Fluorid Check or Dentin have ads?

Fluorid Check shows ads; Dentin does not.

### Which is updated more often, Fluorid Check or Dentin?

Fluorid Check ships an update monthly, and Dentin every 3 weeks. Most recently, Fluorid Check was updated on November 12, 2026 and Dentin on November 8, 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.*