# Opalescence vs Astral

The clearest difference is iOS requirement: Astral at 13.0 against Opalescence's 16.4. 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.

## The numbers

| Metric | Opalescence | Astral |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/opalescence/id6504876386/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | Free | — |
| Size | 121 MB | 63 MB |
| Requires iOS | 16.4 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Ultradent](https://appshunter.io/developer/1053177291) | [ASTRAL BEACH SPORTS LTDA](https://appshunter.io/developer/1877122844) |

## What reviewers say

### Opalescence

[App page](https://appshunter.io/ios/app/opalescence/id6504876386)

This app facilitates supervised at-home teeth whitening treatments. It allows patients to track their progress and communicate with their dentist, sending notifications for new photos or sensitivity updates. Enjoy the peace of mind of a professionally monitored whitening process from home.

**Highlights:** Supervised at-home teeth whitening, Track treatment progress, Communicate with dentist, Upload progress photos, Report sensitivity and irritation, Receive treatment notifications

**Features:** macOS Compatibility

**In-app purchases:** none


### Astral

[App page](https://appshunter.io/ios/app/astral/id6759167574)

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

**In-app purchases:** none


## Frequently asked questions

### Is Opalescence free?

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

### Is Astral free?

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

### Do Opalescence or Astral have ads?

Neither Opalescence nor Astral shows ads.

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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.*