# Screen Prep vs LIT Light Meter

The clearest difference is price: LIT Light Meter at Free against Screen Prep's $9.99. LIT Light Meter also leads on update cadence (every 2 weeks vs every 5 months) and device support (5 vs 2). On ads, in-app purchases and iOS requirement there is nothing between them.

LIT Light Meter is free to download; Screen Prep costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Screen Prep ships an update every 5 months, LIT Light Meter every 2 weeks. The most recent releases landed on October 17, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Screen Prep | LIT Light Meter |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | — | **[4.5 (4 ratings)](https://appshunter.io/ios/app/lit-light-meter/id6747716897/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 2 MB | 78 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Squirrel FX LLC](https://appshunter.io/developer/1557764202) | [Lit Systems AB](https://appshunter.io/developer/1822574754) |

## What reviewers say

### Screen Prep

[App page](https://appshunter.io/ios/app/screen-prep/id1587599450)

**Features:** macOS Compatibility

**In-app purchases:** none


### LIT Light Meter

[App page](https://appshunter.io/ios/app/lit-light-meter/id6747716897)

This companion app allows users to remotely control and save data from the LIT DUO 1 light meter. It enables firmware updates via Bluetooth, enhancing the functionality of the connected device.

**Highlights:** Remote control for LIT DUO 1, Firmware updates via Bluetooth, Data saving capabilities, Companion app functionality

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Screen Prep free?

Screen Prep costs $9.99, with no in-app purchases.

### Is LIT Light Meter free?

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

### Do Screen Prep or LIT Light Meter have ads?

Neither Screen Prep nor LIT Light Meter shows ads.

### Which is updated more often, Screen Prep or LIT Light Meter?

Screen Prep ships an update every 5 months, and LIT Light Meter every 2 weeks. Most recently, Screen Prep was updated on October 17, 2026 and LIT Light Meter on October 16, 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.*