# Sapher Browser Extension vs Lux Meter Pros

The clearest difference is iOS requirement: Lux Meter Pros at 16.6 against Sapher Browser Extension's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Sapher Browser Extension sells 2 in-app purchases, starting at $5.99 per month and Lux Meter Pros sells 3 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Sapher Browser Extension ships an update every 6 months, Lux Meter Pros every 4 months. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Sapher Browser Extension | Lux Meter Pros |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/lux-meter-pros/id6740999944/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 4 months** |
| Monetization | — | Free with in-app purchases |
| Size | 12 MB | 25 MB |
| Requires iOS | 18.0 | **16.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sapher Technology Pty Ltd](https://appshunter.io/developer/1738762438) | [DADLINK TECHNOLOGIES LIMITED](https://appshunter.io/developer/1736032380) |

## What reviewers say

### Sapher Browser Extension

[App page](https://appshunter.io/ios/app/sapher-browser-extension/id6480345746)

**Features:** macOS Compatibility, Safari Extension

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $5.99 | per month |
| Yearly Subscription | $59.99 | per year |


### Lux Meter Pros

[App page](https://appshunter.io/ios/app/lux-meter-pros/id6740999944)

This tool transforms your iPhone into a professional light testing device. It measures lux levels, conducts emergency lighting discharge tests, and generates compliance certificates for UK electricians and facility managers.

**Highlights:** Real-time lux measurement, Photo-based light readings, Room grid mapping, Emergency light testing (BS 5266), Certificate generation (PDF), Exportable reports (PDF/CSV), Historical tracking

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Lux Pass | $0.99 | per 7 days |
| Monthly Lux Pass | $2.99 | per month |
| Annual Lux Pass | $24.99 | per year |


## Frequently asked questions

### Is Sapher Browser Extension free?

Sapher Browser Extension is free to download, with in-app purchases available.

### Is Lux Meter Pros free?

Lux Meter Pros is free to download, with in-app purchases available.

### Do Sapher Browser Extension or Lux Meter Pros have ads?

Neither Sapher Browser Extension nor Lux Meter Pros shows ads.

### Which is updated more often, Sapher Browser Extension or Lux Meter Pros?

Sapher Browser Extension ships an update every 6 months, and Lux Meter Pros every 4 months. Most recently, Sapher Browser Extension was updated on October 25, 2026 and Lux Meter Pros on October 24, 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.*