# Optaxis vs Light Meter X

The clearest difference is price: Optaxis at Free against Light Meter X's $3.99. Light Meter X's advantage is in-app purchases (none vs 2). On ads, device support and iOS requirement there is nothing between them.

Optaxis is free to download; Light Meter X costs $3.99 up front. Optaxis sells 2 in-app purchases, starting at $5.99 per month. Light Meter X asks for nothing beyond the download.

## The numbers

| Metric | Optaxis | Light Meter X |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 days | — |
| Monetization | — | Paid |
| Size | 123 MB | 0 MB |
| Requires iOS | 17.0 | **16.3** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [XIAO MIN NI](https://appshunter.io/developer/1887064548) | [天宝 白](https://appshunter.io/developer/1889878284) |

## What reviewers say

### Optaxis

[App page](https://appshunter.io/ios/app/optaxis/id6760964267)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $5.99 | per month |
| Yearly | $49.99 | per year |


### Light Meter X

[App page](https://appshunter.io/ios/app/light-meter-x-lux-exposure/id6779943310)

This professional light meter app uses your phone's camera to accurately measure ambient light and calculate precise exposure settings for photography and filmmaking. It offers a minimalist interface and supports various shooting modes for creative control.

**Highlights:** Accurate light measurement via camera, Spot metering with draggable circle, Real-time exposure calculation, A/AV and S/TV mode support, Adjustable ISO, aperture, shutter speed, Exposure compensation, EV display

**In-app purchases:** none


## Frequently asked questions

### Is Optaxis free?

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

### Is Light Meter X free?

Light Meter X costs $3.99, with no in-app purchases.

### Do Optaxis or Light Meter X have ads?

Neither Optaxis nor Light Meter X shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*