Best Rollout Calculator Apps

225+ iOS apps curated and reviewed

4.7 avg rating
16 free apps
Updated June 2026

Every iPhone needs a few good rollout calculator apps. We benchmark 225+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top Rollout Calculator Apps (June 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Rollout Calculator - RC DD carRollout Calculator - RC DD carFree4.9★ (7)YesNoJul 2026
2Rollout CalculatorRollout CalculatorFreeNoYesMay 2026
3Calculator for iPad!Calculator for iPad!Free4.7★ (60K)NoNoJul 2026
4Digits Tape CalculatorDigits Tape Calculator$1.994.8★ (1.1K)NoYesJul 2026
5RC Rollout CalculatorRC Rollout CalculatorFreeNoNoMay 2026
6Calculator for iPad₊Calculator for iPad₊Free4.5★ (126K)YesYesJul 2026
7Calculator ∞Calculator ∞$5.994.7★ (6.2K)NoYesJul 2026
8Color Calculator-smart&cuteColor Calculator-smart&cuteFree4.7★ (15K)YesYesJul 2026

Top Picks for Rollout Calculator

Rollout Calculator - RC DD car#1

Rollout Calculator - RC DD car by Takao Ichimura

Set up with three good tables!
Editor's Choice
🔧 Utilities
4.9(7 ratings)
FreeAds
Rollout Calculator - RC DD car screenshot 1

This utility app calculates the travel distance of an RC direct drive car per motor rotation. It simplifies setup by displaying results in three easy-to-read tables, allowing users to select gear teeth and tire diameter.

Calculator for iPad!#3

Calculator for iPad! by 7th Gear

Basic & Scientific Calculator
Worth Considering
🔧 Utilities
4.7😊(60K ratings)
Free
Calculator for iPad! screenshot 1
Calculator for iPad! screenshot 2
Calculator for iPad! screenshot 3
Calculator for iPad! screenshot 4

This app offers both basic and scientific calculation modes with over 30 scientific operations. It allows for customization of the app's appearance and includes features for note-taking, drawing, and viewing calculation history. It supports high accuracy calculations and nested parentheses.

What We Love

  • 📐 Versatile calculator with basic and scientific modes
  • 📝 Useful note-taking and calculation history features
  • 🎨 Customizable color schemes
  • 💻 Works well on both iPad and iPhone

Room to Improve

  • 💰 Ads can be intrusive in free version
  • 🔒 Lack of transparency around in-app purchases
  • 🔍 Difficulty finding and accessing premium features

More Rollout Calculator apps to explore

4
Digits Tape Calculator
Digits Tape Calculator
Digits Tape Calculator
The calculator for humans
$1.99

This app offers a calculator with an editable, line-by-line tape history, combining spreadsheet-like functionality with calculator simplicity. Easily correct mistakes, add comments, and share or print your calculations.

Editable line-by-line tape historyCorrect and insert entriesAdd labels and comments
🔧 Utilities
(1.1K)
free with in-app purchases
5
RC Rollout Calculator
RC Rollout Calculator
RC Rollout Calculator
Gear Ratio & Pinion Finder
Free
🔧 Utilities
(0)
6
Calculator for iPad₊
Calculator for iPad₊
Calculator for iPad₊
Basic, Scientific, Plus Calc
Free

This app offers both basic and advanced scientific calculations with an intuitive interface designed for tablets and phones. It includes features like currency conversion, calculation history, and the ability to share results. An optional premium membership removes ads and provides enhanced support.

Basic & Scientific CalculatorAdvanced Scientific FunctionsLive Currency Converter
🔧 Utilities
(126K)
free with in-app purchases
7
Calculator ∞
Calculator ∞
Calculator ∞
The Best Scientific Calculator
$5.99

This advanced calculator app offers a powerful math core and algebra engine for basic to complex calculations. It includes features like step-by-step solutions, handwriting recognition, and 2D graphing, making it suitable for students, engineers, and programmers.

Step-by-step solution hintsMath Photos SolverHandwriting Recognition
📚 Education
(6.2K)
free with in-app purchases
8
Color Calculator-smart&cute
Color Calculator-smart&cute
Color Calculator-smart&cute
Cute calculator app with theme
Free

This app offers a customizable and fast calculator experience with a wide variety of themes. It includes scientific and standard modes, real-time results, and calculation history. Personalize your math with over 60 cute and colorful themes, including animated options.

60+ free cute and colorful themesExclusive dynamic and special themesScientific & Standard calculator modes
🔧 Utilities
(15K)
freemium
9
ClevCalc - Calculator
ClevCalc - Calculator
ClevCalc - Calculator
All-In-One Calculator
Free

This comprehensive calculator app offers a wide range of tools for everyday calculations, from basic arithmetic and scientific functions to unit and currency conversions. It includes specialized calculators for loans, health, fuel costs, GPA, and more, all within a clean and user-friendly interface.

Scientific calculatorUnit converterCurrency converter
📊 Productivity
(12K)
free with in-app purchases
10
Calculator₊
Calculator₊
Calculator₊
Basic, Scientific, Plus Calc
Free

This app offers a comprehensive suite of calculation tools, including basic, scientific, and unit conversion functions. It features an AI-powered math solver that can solve problems from photos and a dedicated math notes section for jotting down equations and diagrams. Accessibility options like dynamic text size and VoiceOver support are also included.

Basic and scientific calculationsUnit and currency converterAI-powered math solver with photo recognition
🔧 Utilities
(1.7M)
free with in-app purchases
11
Calculator!
Calculator!
Calculator!
by 7th Gear
$0.99

This app offers a versatile calculator experience with both standard and scientific modes. Customize its appearance, use it in any orientation, and access additional tools like a notes tab and calculation history. It's designed for students and professionals needing accurate calculations.

Standard and scientific calculator modesCustomizable look (iPad only)Portrait and landscape orientation
🔧 Utilities
(4.2K)
free with in-app purchases
12
RC-DD ROLLOUT
RC-DD ROLLOUT
RC-DD ROLLOUT
easy index calculation
Free

Calculate the exponential distance traveled by RC car motors based on tire diameter. This tool helps optimize gear ratios for acceleration, speed, and motor/battery load.

Exponential calculation for RC car motorsVariable sponge tire diameter supportIndex calculation for motor revolutions
🔧 Utilities
(1)
ad-supported
13
GraphNCalc83
GraphNCalc83
GraphNCalc83
Graphing calculator
$12.99

This app offers a powerful graphing calculator experience with touch-based input for enhanced interaction. It supports natural textbook notation, advanced math functions, and various plotting capabilities. Users can also utilize its programming features and built-in tools like unit conversion and a periodic table.

Touch-based graphing and editingNatural textbook notation inputAdvanced math and statistical functions
📚 Education
(3.8K)
paid
14
Calculator - Free Calculator
Calculator - Free Calculator
Calculator - Free Calculator
by 祥祎 刘
Free

A straightforward and reliable calculator application designed for iPad and iOS 9. It offers a standard calculation experience with a charming piano sound effect and is optimized for high-resolution screens.

Standard calculator functionalityOptimized for iPad & iOS 9High-resolution screen optimization
🔧 Utilities
(1.4K)
free
15
Calculator - Simple & Basic
Calculator - Simple & Basic
Calculator - Simple & Basic
by The App Tower Inc.
Free

This utility app offers a straightforward calculation experience with a vast selection of over 80 customizable themes. Personalize your calculator's appearance to suit your style while performing everyday math tasks.

Basic calculationsOver 80 themesTheme customization
🔧 Utilities
(146K)
free with in-app purchases
16
Calculator with History Tape
Calculator with History Tape
Calculator with History Tape
No Ads Calculator with Memory
Free

This app provides a straightforward calculator experience with a comprehensive history log of all your computations. Customize the keyboard, display, and history records to suit your needs. Easily add annotations and titles to past calculations for better organization.

History record functionDisplay input equationAdjustable keyboard size and font
📊 Productivity
(3.2K)
free with in-app purchases
17
Calculator⁻
Calculator⁻
Calculator⁻
Best hand calculator
Free

A straightforward calculator app designed for simplicity, offering basic arithmetic operations and percentage calculations. It allows users to record and recall past results, customize colors, and enable touch sounds for a personalized experience.

Basic arithmetic operationsPercentage calculationsRecord and recall results
🔧 Utilities
(3.4K)
ad-supported
18
Calculator Pro Lite
Calculator Pro Lite
Calculator Pro Lite
Best Calculator
Free

A highly customizable calculator app offering a modern interface and extensive features. Personalize themes, button layouts, and visual elements. Track your calculations with a detailed history and access scientific functions.

Customizable themes and colorsDual-line displayCalculation history
🔧 Utilities
(3K)
ad-supported
19
OneCalc: All-in-one Calculator
OneCalc: All-in-one Calculator
OneCalc: All-in-one Calculator
Calculates everything. Try it.
Free

This app offers a comprehensive suite of over 40 calculators and unit converters for various needs, including finance, health, construction, and everyday math. It features standard, scientific, and specialized calculators for tasks like loan amortization, currency conversion, and material estimation.

Over 40 calculators and unit convertersStandard and scientific calculator functionsFinancial calculators (interest, loan, currency)
📊 Productivity
(4.8K)
free with in-app purchases
20
PCalc Lite
PCalc Lite
PCalc Lite
The Best Calculator
Free

This free scientific calculator offers essential features like RPN mode, unit conversions, and multiple undo/redo. It provides a taste of a more powerful version, with optional in-app purchases for expanded functionality.

Optional RPN modeMultiple undo and redoUnit conversions and constants
🔧 Utilities
(214)
free with in-app purchases

FAQ about Rollout Calculator

What are the best rollout calculator apps for iPhone?
Rollout Calculator - RC DD car tops our rollout calculator apps ranking as of June 2026, with a 4.9-star average from 7 App Store ratings, and it's free to download.
Yes — 16 of the top rollout calculator apps we rank are free to download, including Rollout Calculator - RC DD car and Rollout Calculator.
Rollout Calculator - RC DD car shows ads and has no in-app purchases, according to its App Store listing as of June 2026.
We track 225+ rollout calculator apps on the iOS App Store as of June 2026, ranked by rating, recency, and analysis of real user reviews.
Rollout Calculator is a utility app designed to calculate the travel distance of an RC direct drive car per motor rotation. It helps users optimize their car's setup by providing clear, table-based results.
You can use Rollout Calculator by selecting the number of pinion gear teeth, spur gear teeth, and tire diameter. The app then displays the calculated rollout distance in three easy-to-use tables.