# UniColor Light vs Stop Calculator

The clearest difference is price: UniColor Light at Free against Stop Calculator's $0.99. UniColor Light also leads on iOS requirement (10.0 vs 15.6). Stop Calculator's advantage is update cadence (every 2 days vs every 15 months) and ratings volume (4 vs 1). On rating, ads, in-app purchases and device support there is nothing between them.

UniColor Light is free to download; Stop Calculator costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for UniColor Light against 5.0 for Stop Calculator. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

UniColor Light ships an update every 15 months, Stop Calculator every 2 days. The most recent releases landed on November 2, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | UniColor Light | Stop Calculator |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/unicolor-light/id1415298838/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/stop-calculator/id6720706774/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 2 days** |
| Monetization | **Free** | Paid |
| Size | 12 MB | 1 MB |
| Requires iOS | **10.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Sperll Optoelectronic Technology Co., Ltd.](https://appshunter.io/developer/1373080686) | [eric Hernandez](https://appshunter.io/developer/875120891) |

## What reviewers say

### UniColor Light

[App page](https://appshunter.io/ios/app/unicolor-light/id1415298838)

Control LED light sticks to display custom colors and patterns. Upload images to transform them into dynamic light shows, adjusting speed, brightness, and color for personalized effects.

**Highlights:** Control 0.5m and 1m LED sticks, 180 standard color patterns, Customize 18 mono patterns, Adjust speed and brightness, Group pixels for custom colors, Upload and translate phone pictures to LED

**Features:** macOS Compatibility

**In-app purchases:** none


### Stop Calculator

[App page](https://appshunter.io/ios/app/stop-calculator/id6720706774)

This tool helps filmmakers quickly compare exposure settings between two cameras. It calculates precise stop differences in real-time, ensuring your shots are perfectly exposed and matched across different setups. Simplify your workflow and eliminate guesswork.

**Highlights:** Compare ISO, t-stop, shutter angle, and FPS, Real-time stop difference calculation, Intuitive interface for filmmakers, Exposure feedback for underexposed/overexposed shots

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

**In-app purchases:** none


## Frequently asked questions

### Is UniColor Light free?

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

### Is Stop Calculator free?

Stop Calculator costs $0.99, with no in-app purchases.

### Which has better reviews, UniColor Light or Stop Calculator?

UniColor Light and Stop Calculator are both rated 5.0 out of 5 on the App Store, from 1 and 4 ratings respectively.

### Do UniColor Light or Stop Calculator have ads?

Neither UniColor Light nor Stop Calculator shows ads.

### Which is updated more often, UniColor Light or Stop Calculator?

UniColor Light ships an update every 15 months, and Stop Calculator every 2 days. Most recently, UniColor Light was updated on November 2, 2026 and Stop Calculator on November 5, 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.*