# Bask Light Meter vs Watch Authentication

The clearest difference is in-app purchases: Bask Light Meter at none against Watch Authentication's 3. Watch Authentication's advantage is update cadence (monthly vs every 7 months) and iOS requirement (13.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Watch Authentication sells 3 one-off in-app purchases. Bask Light Meter asks for nothing beyond the download.

Bask Light Meter ships an update every 7 months, Watch Authentication monthly. The most recent releases landed on October 3, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Bask Light Meter | Watch Authentication |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (9 ratings)](https://appshunter.io/ios/app/bask-light-meter/id6744124460/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Monthly** |
| Monetization | Free | — |
| Size | 11 MB | 39 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Protean Studio](https://appshunter.io/developer/1806179833) | [Karoly Losonc](https://appshunter.io/developer/1244701032) |

## What reviewers say

### Bask Light Meter

[App page](https://appshunter.io/ios/app/bask-light-meter/id6744124460)

This app uses your device's camera to measure sunlight intensity. It helps you determine the best locations in your home for your houseplants to receive optimal light for growth.

**Highlights:** Measure sunlight with camera, Optimize plant placement, Supports houseplants, User-friendly interface

**In-app purchases:** none


### Watch Authentication

[App page](https://appshunter.io/ios/app/watch-authentication/id6768117361)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Report pack 1 | $2.99 | one-time |
| Report pack 5 | $7.99 | one-time |
| Report pack 15 | $14.99 | one-time |


## Frequently asked questions

### Is Bask Light Meter free?

Bask Light Meter is free to download, with no in-app purchases.

### Is Watch Authentication free?

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

### Do Bask Light Meter or Watch Authentication have ads?

Neither Bask Light Meter nor Watch Authentication shows ads.

### Which is updated more often, Bask Light Meter or Watch Authentication?

Bask Light Meter ships an update every 7 months, and Watch Authentication monthly. Most recently, Bask Light Meter was updated on October 3, 2026 and Watch Authentication on October 7, 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.*