# WebGIS3D vs Lux Meter Pros

The clearest difference is in-app purchases: WebGIS3D at none against Lux Meter Pros's 3. WebGIS3D also leads on update cadence (fortnightly vs every 4 months). Lux Meter Pros's advantage is iOS requirement (16.6 vs 18.6). On price, ads and device support there is nothing between them.

Both are free to download. Lux Meter Pros sells 3 in-app purchases, starting at $0.99 per 7 days. WebGIS3D asks for nothing beyond the download.

WebGIS3D ships an update fortnightly, Lux Meter Pros every 4 months. The most recent releases landed on October 8, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | WebGIS3D | Lux Meter Pros |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 4 months |
| Monetization | — | Free with in-app purchases |
| Size | 38 MB | 25 MB |
| Requires iOS | 18.6 | **16.6** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [INconnect GmbH](https://appshunter.io/developer/1788460192) | [DADLINK TECHNOLOGIES LIMITED](https://appshunter.io/developer/1736032380) |

## What reviewers say

### WebGIS3D

[App page](https://appshunter.io/ios/app/webgis3d/id6740135373)

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

**In-app purchases:** none


### 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 WebGIS3D free?

WebGIS3D is free to download, with no in-app purchases.

### Is Lux Meter Pros free?

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

### Do WebGIS3D or Lux Meter Pros have ads?

Neither WebGIS3D nor Lux Meter Pros shows ads.

### Which is updated more often, WebGIS3D or Lux Meter Pros?

WebGIS3D ships an update fortnightly, and Lux Meter Pros every 4 months. Most recently, WebGIS3D was updated on October 8, 2026 and Lux Meter Pros on October 13, 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.*