# Cattani SmartApp vs Blanc One

The clearest difference is update cadence: Blanc One at every 2 weeks against Cattani SmartApp's every 8 months. 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.

Cattani SmartApp ships an update every 8 months, Blanc One every 2 weeks. The most recent releases landed on September 19, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Cattani SmartApp | Blanc One |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 23 MB | 69 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cattani S.p.A.](https://appshunter.io/developer/1105335182) | [IDS S.P.A.](https://appshunter.io/developer/1694007180) |

## What reviewers say

### Cattani SmartApp

[App page](https://appshunter.io/ios/app/cattani-smartapp/id1173809313)

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

**In-app purchases:** none


### Blanc One

[App page](https://appshunter.io/ios/app/blanc-one/id6450601444)

Achieve a brighter, whiter smile with this application. Regular use of the whitening treatment ensures more effective and long-lasting results over time.

**Highlights:** Life-long white smile, Regular whitening treatment, Effective results, Long-lasting results

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

**In-app purchases:** none


## Frequently asked questions

### Is Cattani SmartApp free?

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

### Is Blanc One free?

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

### Do Cattani SmartApp or Blanc One have ads?

Neither Cattani SmartApp nor Blanc One shows ads.

### Which is updated more often, Cattani SmartApp or Blanc One?

Cattani SmartApp ships an update every 8 months, and Blanc One every 2 weeks. Most recently, Cattani SmartApp was updated on September 19, 2026 and Blanc One on September 16, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*