Colorful Lights vs e85Cal
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Colorful Lights
Control your lights wirelessly via Bluetooth. Adjust color and brightness, sync with music, or set patterns for dynamic lighting effects.
- Bluetooth wireless control
- Adjustable color
- Adjustable brightness
- Music synchronization
- Sound-reactive lighting
- Pattern-based color changes
Read full descriptionHide full description
Colorful Lights, through Bluetooth wireless technology, you can adjust the color and brightness of light, you can play with APP music changes in color and brightness, according to the surrounding sound changes in color and brightness, according to a certain pattern change color and brightness.
e85Cal
This app assists users in calculating the precise amounts of standard and ethanol gasoline needed to achieve a desired ethanol percentage in their fuel mix. It simplifies the process by taking into account tank size, current fuel level, and the ethanol content of available fuel types.
- Calculate ethanol percentage goal
- Enter gas tank size
- Input standard pump gas ethanol %
- Input ethanol pump gas ethanol %
- Set target ethanol % mix
- Enter current fuel level %
Read full descriptionHide full description
e85Cal help you calculate your ethanol percentage goal. It fast, simple, and easy to use. Just enter the following information: 1) How big is your gas tank? 2) What is the ethanol % in the standard pump gas? 3) What is the ethanol % in the ethanol pump gas? 4) What is your target ethanol % mix goal? 5) What is your current ethanol % min in your vehicle? 6) What is your current fuel level % in your vehicle? Results will display how many gallons or liters of standard and ethanol gas to pump in your vehicle based on your input.
Screenshots
Verdict
The clearest difference is review sentiment: e85Cal at 83% against Colorful Lights's 16%. e85Cal also leads on rating (4.7 vs 2.0) and iOS requirement (12.1 vs 15.6). On price, ratings volume, update cadence and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
e85Cal holds the better App Store score, 4.7 against 2.0. Both are backed by a comparable volume of ratings — 23 and 35 respectively. Written reviews point the same way: 16% of Colorful Lights's written reviews are positive against 83% of e85Cal's.
Colorful Lights ships an update every 6 months, e85Cal every 4 months. The most recent releases landed on October 16, 2026 and October 12, 2026 respectively.
| Parameter | Colorful Lights | e85Cal |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (23 ratings) | 4.7 (35 ratings) — better |
| Positive reviews | 16.0% of reviews | 83.3% of reviews — better |
| Number of ratings | 23 | 35 — better |
| Update frequency | Every 6 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.6 | 12.1 — better |
| Further details — not scored | ||
| Size | 25 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | 晓勇 何 | Michael Joe |
Customer experience
Colorful Lights
e85Cal
In-app purchases
Colorful Lights
No in-app purchases
e85Cal
No in-app purchases
Questions
Is Colorful Lights free?
Is e85Cal free?
Which has better reviews, Colorful Lights or e85Cal?
Do Colorful Lights or e85Cal have ads?
Which is updated more often, Colorful Lights or e85Cal?
Other comparisons
