RedCrab Calculator Downloads & RevenueRedCrab Calculator · App Store
Not in any tracked top chart right now.
Updated 1 Nov 2026 · rankings refresh through the day
Developer少泽 梁
CategoryUtilities
PriceFree
Released
Rating★ 5.0 (2)
Version5.6
Age rating4+
First seen by us
20 Oct 2026
20 Oct 2026🆕First spotted by AppInsider📦Version 5.6🆕Its developer released another app: Music Nest: Local HiFi Player
Full timeline · 6 events
- 🆕RedCrab Calculator first spotted by AppInsiderChina (found via developer)
- 📦RedCrab Calculator version 5.6Fix front and back end switching issue
- 🆕RedCrab Calculator: its developer released another app: Music Nest: Local HiFi Player
- 🆕RedCrab Calculator: its developer released another app: Word Match: English Fun
- 🆕RedCrab Calculator: its developer released another app: Stitch - 滚动截屏 & 长图拼接
- 🆕RedCrab Calculator released on the App Store
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Rating
5.0 ★
2 ratings
Measured
RedCrab Calculator on the App Store
App details
App ID
947845140
Publisher
少泽 梁
On the store since
Dec 2014
11 years on the store
Minimum OS
iOS 15.6+
iPhone 6s and later
Devices
iPhone · iPad
Universal purchase
Content rating
4+
Languages
4
EN JA ZH ZH
Size
5 MB
Also listed in
Finance
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
5.0 ★
2 ratings
Measured
Ratings
2
Measured
About RedCrab Calculator
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.
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.
Latest updates
5.6
Fix front and back end switching issue
