Comparison

Calculator Sharp vs MemFlow

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

Head to head
About

Calculator Sharp

This calculator app offers ultra-high precision with up to 37 digits of accuracy. It supports a wide range of complex mathematical functions, including trigonometric, logarithmic, and integral operations, along with step-by-step calculation display and undo/redo functionality.

Highlights
  • Ultra-high precision (37 digits)
  • Supports complex mathematical operations
  • Displays calculation steps
  • Undo and redo functionality
  • Multiple number base conversions
  • WYSIWYG interface
Features
Read full description

Calculator Sharp is a feature-rich, simple and practical operation of text calculator. Calculator tool Features : Ultra-high-precision, The accuracy of commonly calculator is 15, But Calculator Sharp can reach 37 accuracy. WYSIWYG glance. Easy to use, low threshold, for the majority of students and staff to use Support displays the calculated step function Support undo and anti- undo function Support flexible and complex calculations expressions. Specific Features * Support for the basic arithmetic operators * Support exponentiation * Support for radical sign operation * Support for logarithm operations * Support factorial and double factorial operator * Support Permutation and combination * Support trigonometric and inverse trigonometric * Support hyperbolic functions and inverse hyperbolic functions * Support for sum method and average method * Support for the maximum and minimum approach * Support for the greatest common divisor and least common multiple * Support for remainder * Supports integer interception , rounding up and rounding down to rounding methods. * Support random number and range of random numbers * Support summation (Σ) and quadrature (Π) op * Support definite integral (∫) operation * Support convert degrees to radians and radians to degrees operator * Support for binary, octal, decimal, hexadecimal conversion between. * Support degrees (DEG) and radians (RAD) two calculation modes * Support rounded to the decimal digits function * Supports Undo and anti-undo function. * Support the cursor forward and backward functions * Support clear and delete the previous character feature. * Support slide down keyboard and display the calculation steps function. Calculator Sharp for OS X:https://itunes.apple.com/us/app/calc-sharp/id888324648?ls=1&mt=12

About

MemFlow

Features
Read full description

Human memory is naturally fading, but MemFlow ensures your moments last forever. MemFlow isn't just a simple voice recorder—it is your personal "Audio Memory Engine," designed to securely capture, log, and retrieve the soundscapes of your life. Whether it’s an unpredictable brainstorming session you wish you had recorded, the laughter of a loved one, or a day-long conference, our memory-first continuous loop recording guarantees you never lose the audio that matters. Why MemFlow? The "Memory-First" Approach: · The "Memory Loop" Archiving: Let the app securely run in the background as your daily safety net. Our crash-safe loop engine works tirelessly so you never have to say, "I wish I had recorded that memory." · Life Logging & Audio Journaling: Stop relying solely on fading human recollection. Create a permanent, warm sonic archive of your daily life. Effortlessly look back, listen, and retrieve the exact feelings of your past memories anytime. · Meeting & Lecture Focus: Record hours of audio without stressing over storage limits or unexpected app crashes. Built for dependable knowledge retention by students and professionals. · Instant Memory Capture: Quick, single-tap ambient recording right from the Lock Screen via Live Activities when unpredictable inspiration strikes. Key Features Built For Retention: · Indestructible Memory Vault: Crash-safe, high-quality audio capture optimized for long sessions and sustained background processing, ensuring zero data loss. · AirPods Portable Memory Device: Full support for AirPods audio routing seamlessly turns your wireless earbuds into a wearable, real-time life-logging recorder, capturing inspiration wherever you go. · Interactive Live Activities: Keep a pulse on your active memory recording directly from the Lock Screen or Dynamic Island with a beautiful bouncing audio visualizer. · Visual Memory Feed (Timeline): Navigate your past with crystal clarity through an elegantly designed, auto-scrolling timeline feed of all your retained memories. · Seamless Export & Cleanup: Intelligent background processing ensures your audio memories are securely saved to local storage while device memory is automatically managed, without interrupting your thought process. · Glass-blur Premium Aesthetic: Reviewing your memories should be a pleasure. Enjoy a modern, serene UI with satisfying micro-interactions that brings joy to memory retrieval. Capture your world. Retain your memories. Let it flow.

Screenshots

Calculator Sharp2 screens
MemFlow3 screens

Verdict

The call

The clearest difference is ads: MemFlow at none against Calculator Sharp's shown. MemFlow also leads on update cadence (daily vs every 5 months). Calculator Sharp's advantage is iOS requirement (12.0 vs 17.6). On price, in-app purchases and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Calculator Sharp ships an update every 5 months, MemFlow daily. The most recent releases landed on August 30, 2026 and September 18, 2026 respectively.

Scorecard3 real differences · 7 level
Calculator Sharp versus MemFlow: the parameters behind the verdict, then further details
ParameterCalculator SharpMemFlow
PriceFreeFree
Rating5.0 (5 ratings) — better—
Positive reviews93.8% of reviews—
Number of ratings5 — better—
Update frequencyEvery 5 monthsDaily — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better17.6
Further details — not scored
Size31 MB8 MB
Age rating4+4+
Developer锦文 游加康 王

In-app purchases

None

Calculator Sharp

No in-app purchases

None

MemFlow

No in-app purchases

Questions

Is Calculator Sharp free?
Calculator Sharp is free to download, with no in-app purchases.
Is MemFlow free?
MemFlow is free to download, with no in-app purchases.
Do Calculator Sharp or MemFlow have ads?
Calculator Sharp shows ads; MemFlow does not.
Which is updated more often, Calculator Sharp or MemFlow?
Calculator Sharp ships an update every 5 months, and MemFlow daily. Most recently, Calculator Sharp was updated on August 30, 2026 and MemFlow on September 18, 2026.

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