# Master It vs Light Meter

The clearest difference is rating: Light Meter at 4.2 against Master It's 3.7. Light Meter also leads on price ($2.99 vs $6.99). Master It's advantage is update cadence (every 2 months vs every 48 months) and review sentiment (76% vs 50%). On ads, in-app purchases, monetization model and device support there is nothing between them.

Master It costs $6.99 and Light Meter $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Light Meter holds the better App Store score, 4.2 against 3.7. Both are backed by a comparable volume of ratings — 18 and 5 respectively. Written reviews complicate that: 76% of Master It's written reviews are positive against 50% of Light Meter's, so the app with the better star average is not the one people write more warmly about.

Master It ships an update every 2 months, Light Meter every 48 months. The most recent releases landed on September 7, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Master It | Light Meter |
| --- | --- | --- |
| Price | $6.99 | **$2.99** |
| Rating | [3.7 (18 ratings)](https://appshunter.io/ios/app/master-it/id645920825/reviews) | **[4.2 (5 ratings)](https://appshunter.io/ios/app/light-meter-brightness-calc/id1340670397/reviews)** |
| Number of ratings | **18** | 5 |
| Positive reviews | **76.2% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 48 months |
| Monetization | Paid | Paid |
| Best chart rank | **#198** | — |
| Size | 6 MB | 1 MB |
| Requires iOS | **12.0** | 13 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Farren Domenici](https://appshunter.io/developer/583666476) | [Nitrio](https://appshunter.io/developer/321121189) |

## What reviewers say

### Master It

[App page](https://appshunter.io/ios/app/master-it/id645920825)

**Currently charting:** #198 Top Paid · Utilities (US App Store)

Instantly create and print master key systems without complex calculations. Supports various keyways and pin systems, with options for randomization and secure saving. Ideal for on-the-fly key management.

**Highlights:** Instant master key system creation, Zero math required, Supports multiple keyways, Randomize TMK generation, Print, email, or save systems, 5 or 6 pin system support, Shake to lock/unlock functions

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

**In-app purchases:** none


### Light Meter

[App page](https://appshunter.io/ios/app/light-meter-brightness-calc/id1340670397)

This application acts as a portable light meter, allowing users to measure light intensity in lux and foot candles. It offers real-time readings, a log library for saving measurements, and the ability to calibrate with professional devices for enhanced accuracy. The app supports both front and rear cameras and saves scene images.

**Highlights:** Real-time light intensity measurement, Lux and foot candle readings, Saveable log library, Calibration with professional illuminometer, Front and rear camera support, Scene image saving

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

**In-app purchases:** none


## Frequently asked questions

### Is Master It free?

Master It costs $6.99, with no in-app purchases.

### Is Light Meter free?

Light Meter costs $2.99, with no in-app purchases.

### Which has better reviews, Master It or Light Meter?

Light Meter is rated higher. Master It averages 3.7 out of 5 from 18 ratings, while Light Meter averages 4.2 from 5 ratings.

### Do Master It or Light Meter have ads?

Neither Master It nor Light Meter shows ads.

### Which is updated more often, Master It or Light Meter?

Master It ships an update every 2 months, and Light Meter every 48 months. Most recently, Master It was updated on September 7, 2026 and Light Meter on September 23, 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.*