# Smile vs Dentii

The clearest difference is in-app purchases: Smile at none against Dentii's 4. Smile also leads on iOS requirement (15.1 vs 17.0). Dentii's advantage is update cadence (every 4 days vs every 7 months). On price, ads and device support there is nothing between them.

Both are free to download. Dentii sells 4 in-app purchases, starting at $2.99 per 7 days. Smile asks for nothing beyond the download.

Smile ships an update every 7 months, Dentii every 4 days. The most recent releases landed on September 18, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Smile | Dentii |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 4 days** |
| Size | 30 MB | 6 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Lonnie Terry](https://appshunter.io/developer/1833311396) | [FLATISLER BILGISAYAR YAZILIM BILISIM DANISMANLIK HIZMETLERI LIMITED SIRKETI](https://appshunter.io/developer/1790157434) |

## What reviewers say

### Smile

[App page](https://appshunter.io/ios/app/smile-timer/id6757202764)

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

**In-app purchases:** none


### Dentii

[App page](https://appshunter.io/ios/app/dentii-toothbrushing-timer/id6757407917)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dentii Pro Weekly | $2.99 | per 7 days |
| Dentii Pro Monthly | $4.99 | per month |
| Dentii Pro Yearly | $19.99 | per year |
| Dentii Pro Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is Smile free?

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

### Is Dentii free?

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

### Do Smile or Dentii have ads?

Neither Smile nor Dentii shows ads.

### Which is updated more often, Smile or Dentii?

Smile ships an update every 7 months, and Dentii every 4 days. Most recently, Smile was updated on September 18, 2026 and Dentii on September 16, 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.*