Comparison

RedCrab Calculator vs Moolight

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

RedCrab Calculator

This powerful scientific calculator offers a modern UI and robust engine for users of all levels. It handles basic arithmetic to complex engineering equations with smart expression parsing and a high-precision display. Enjoy a seamless calculation experience with features like history recall and dark mode.

Highlights
  • Basic & Advanced Calculations
  • Smart Expression Parsing
  • Calculation History & Reuse
  • High-Precision Display
  • Dark Mode & Modern UI
  • VIP Ad-Free Experience
Features
Read full description

The RedCrab Calculator is an efficient and powerful tool designed for students, engineers, professionals, and everyday users. Whether you're handling simple daily expenses or complex engineering algebra, it provides a precise and lightning-fast calculation experience. Combining an elegant modern UI with a robust calculation engine, every tap is a seamless experience. Key Features: - Basic & Advanced Calculations : Flawlessly supports basic arithmetic alongside advanced scientific functions including trigonometry (sin, cos, tan), logarithms (log, ln), exponents (^), roots (ⁿ√x), and modulo (%). - Smart Expression Parsing : Supports nested parentheses and long expression inputs. It strictly follows mathematical order of operations, displaying exactly what you calculate to ensure accuracy in complex equations. - History & Result Reuse : Automatically saves your calculation history. The dedicated "Ans" button allows you to instantly recall your last answer, making multi-step calculations a breeze. - High-Precision Display : Optimized large number display logic supports showing more significant digits, eliminating the frustration of forced and hard-to-read scientific notation. - Dark Mode & Modern UI : Native support for Dark Mode to protect your eyes. Carefully tuned button layouts, smooth highlight touch feedback, and dynamic font scaling deliver an ultimate user experience. - VIP Privileges : Unlock VIP membership to enjoy a pure, ad-free, immersive calculation experience, along with access to exclusive premium features. Scientific Calculator: Making numbers clearer and calculations smarter.

About

Moolight

Features
Read full description

Turn your iPhone into a studio-grade light in one tap. Pure, flicker-free color fills your screen β€” no extra gear, no setup, just instant light whenever you need it. Whether you're shooting content, setting the mood, or reading in bed, Moolight is the light that's always in your pocket. SCREEN LIGHT Your entire screen becomes a bright, even solid-color light. Pick any color in one tap and get soft, flattering illumination for photos, videos, and everything in between. FLASH & STROBE MODES Dial in your own flashing effects β€” choose colors, speed, intervals, and smooth or punchy transitions. Perfect for parties, concerts, and cheering on your team. FAVORITES Save your go-to colors and custom flash modes. One tap and your perfect setup is back β€” no reconfiguring, ever. ⏰ SLEEP TIMER Set a countdown and the light turns itself off. Fall asleep to a warm glow without draining your battery all night. EFFORTLESS BY DESIGN Clean interface, zero learning curve. Open the app and you're lit β€” literally. WHERE YOU'LL USE IT Selfies, portraits & video calls that actually look good Parties, concerts & fan events with pulsing color Late-night reading without harsh glare Ambient lighting for your desk, dinner, or downtime Download Moolight and never hunt for good lighting again. Privacy Policy: https://ff-pickone.web.app/moolight-privacy-policy.html Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

RedCrab Calculator4 screens
Moolight4 screens

Verdict

The call

The clearest difference is ads: Moolight at none against RedCrab Calculator's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. RedCrab Calculator sells 1 one-off in-app purchase and Moolight sells 5 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

RedCrab Calculator ships an update fortnightly, Moolight every 11 days. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

Scorecard1 real difference Β· 7 level
RedCrab Calculator versus Moolight: the parameters behind the verdict, then further details
ParameterRedCrab CalculatorMoolight
PriceFreeFree
Positive reviews100.0% of reviewsβ€”
Update frequencyFortnightlyEvery 11 days β€” better
AdsYesNo β€” better
In-app purchasesYesYes
MonetizationFree with in-app purchasesβ€”
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.0 β€” better
Further details β€” not scored
Size5 MB15 MB
Age rating4+4+
Developerε°‘ζ³½ 撁畅 刘

In-app purchases

1 purchases

RedCrab Calculator

One-time1
  • η»ˆθΊ«δΌšε‘˜$1.99
5 purchases

Moolight

Subscriptions4
  • Moolight Pro Monthly$0.991 Month
  • Moolight Pro Annual3 Days trial$3.991 Year
  • Moolight Pro Annual$3.991 Year
Show 1 more
  • Moolight Pro Annual7 Days trial$3.991 Year
One-time1
  • Moolight Pro Lifetime$7.99

Questions

Is RedCrab Calculator free?
RedCrab Calculator is free to download, with in-app purchases available.
Is Moolight free?
Moolight is free to download, with in-app purchases available.
Do RedCrab Calculator or Moolight have ads?
RedCrab Calculator shows ads; Moolight does not.
Which is updated more often, RedCrab Calculator or Moolight?
RedCrab Calculator ships an update fortnightly, and Moolight every 11 days. Most recently, RedCrab Calculator was updated on October 27, 2026 and Moolight on October 25, 2026.

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