# Kiwid Lab vs Opalescence

The clearest difference is update cadence: Kiwid Lab at fortnightly against Opalescence's monthly. 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.

Kiwid Lab ships an update fortnightly, Opalescence monthly. The most recent releases landed on October 30, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Kiwid Lab | Opalescence |
| --- | --- | --- |
| 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 | **Fortnightly** | Monthly |
| Monetization | — | Free |
| Size | 61 MB | 121 MB |
| Requires iOS | 16.4 | 16.4 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Kiwid Technology](https://appshunter.io/developer/1598926635) | [Ultradent](https://appshunter.io/developer/1053177291) |

## What reviewers say

### Kiwid Lab

[App page](https://appshunter.io/ios/app/kiwid-lab/id6451493770)

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Kiwid Lab free?

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

### Is Opalescence free?

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

### Do Kiwid Lab or Opalescence have ads?

Neither Kiwid Lab nor Opalescence shows ads.

### Which is updated more often, Kiwid Lab or Opalescence?

Kiwid Lab ships an update fortnightly, and Opalescence monthly. Most recently, Kiwid Lab was updated on October 30, 2026 and Opalescence on November 4, 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.*