Comparison

sci.calculator vs Cool To Do

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

Head to head
About

sci.calculator

Features
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A stylish yet powerful scientific calculator. The app is designed with a single-screen layout for simple and intuitive operation. Calculation history is saved and can be reused easily. Results are shown in both mathematical notation and decimal format. 【Main Features】 • Basic arithmetic, modulo, trigonometric functions • Exponential, logarithmic, power and root calculations • Unit conversion and 47 scientific constants (CODEC2022) • Prime factorization, GCD and LCM • Binary, octal and hexadecimal calculations with logical operations • 8 memory slots • Permutations, combinations, and pseudo-random numbers • Systems of linear equations (up to 4 variables) • Polynomial equations (up to 4th degree) • Equation solving using Newton’s method • Time and angle calculations • External keyboard support 【Designed for Ease of Use】 • Unit conversion includes intuitive units such as “Tokyo Dome volume,” light-years, and cooking measurements. • Choose from 6 color themes to match your iPhone or iPad. • Quick switching between RAD/DEG and number bases on a single screen. • Supports iPad multitasking, allowing calculations alongside other apps. Clean, readable, and efficient. A scientific calculator that combines functionality with a modern design.

About

Cool To Do

Read full description

This is a simple, no-frills to-do application. Please use it for your shopping list or to-do list for the day.

Screenshots

sci.calculator3 screens
Cool To Do1 screens

Verdict

The call

The clearest difference is in-app purchases: Cool To Do at none against sci.calculator's 1. sci.calculator's advantage is device support and iOS requirement (15.0 vs 18.0). On price 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. sci.calculator sells 1 one-off in-app purchase. Cool To Do asks for nothing beyond the download.

Scorecard3 real differences · 3 level
sci.calculator versus Cool To Do: the parameters behind the verdict, then further details
Parametersci.calculatorCool To Do
PriceFreeFree
Update frequencyEvery 5 weeks—
AdsNo—
In-app purchasesYesNo — better
DevicesiPhone, iPad, iPod — better—
Requires iOS15.0 — better18.0
Further details — not scored
Size49 MB27 MB
Age rating4+4+
DeveloperYukihiro Shioyayusuke kageyama

In-app purchases

1 purchases

sci.calculator

One-time1
  • remove Ads$1.99
None

Cool To Do

No in-app purchases

Questions

Is sci.calculator free?
sci.calculator is free to download, with in-app purchases available.
Is Cool To Do free?
Cool To Do is free to download, with no in-app purchases.

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