Comparison

CalcFast vs CalcGrid

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

Head to head
About

CalcFast

A fast and elegant calculator for Apple devices that displays your calculation history. It offers a Today Extension for quick access and supports Apple Watch, external keyboards, and VoiceOver.

Highlights
  • Calculation history display
  • Today Extension for quick calculations
  • Apple Watch app
  • Dark/light mode selection
  • External keyboard support
  • VoiceOver support
Features
Read full description

Fast and simple calculator for iPad, iPhone and Apple Watch that shows the calculation history, includes a Today Extension that allows for fast calculation by swiping down and 3D Touch for quick interactions. Numbers are formatted for your country, i.e. period in the US and comma in Europe. Ever lost your train of thought half way through a calculation and thought how handy it would be to review your calculations. The aim of this Calculator is to be fast, elegant and simple. Features: - The calculator can open side by side or over other apps in iPadOS. - Select dark or light mode. - External keyboard support. - Smart Apple Watch Calculator included. - Light weight Today Extension included. - Calculations shown when input and on tape. - Key click confirms pressing of buttons, which may be turned off. - Previous calculation is repeated when the equal sign is pressed. - Numbers are shown in local format, depending on your Region Formats, i.e. comma used in Europe. The number of decimal digits may be set in the Settings. - VoiceOver is supported. - Calculations Tape may be deleted by Tapping on it.

About

CalcGrid

Features
Read full description

CalcGrid: A Structured Vertical Table Calculator for Life, Work, and Study CalcGrid isn’t just a basic calculator—it’s a smart, structured, and intuitive vertical table calculator designed to bring clarity and order to your daily calculations. Inspired by the layout of Excel, CalcGrid displays your entire calculation process in a vertical column format, making every step visible and editable. Instead of struggling with long, hard-to-read single-line formulas, you can now manage your math as clearly as writing it on paper. CalcGrid is built for real-world usage—not just quick math but multi-step, continuous, and revisable calculations. Whether you’re tracking expenses, solving math problems, or preparing a budget, it gives you the simplicity of a calculator with the structure of a spreadsheet, all in a mobile-optimized design. Core Features • Vertical Table Layout Input numbers and operators in a clean column layout. Just like writing on paper—clear, easy, and organized. • Step-by-step Calculation Display Every number, operator, and result appears in its own cell. Perfect for reviewing, correcting, or validating your logic. • Smart Input Handling The app automatically places your inputs in the correct fields (number or operator) and moves to the next cell—ideal for fast-paced entry. • Fully Editable at Any Time Tap on any cell to modify its content without needing to redo the entire calculation. • Real-time Auto Calculation As you type or make changes, the result updates immediately. No extra buttons, no repeated “equals” taps. • No Sign-up or Ads Lightweight, fast, distraction-free. Just download and go. Use CalcGrid for Everyday, Professional, and Educational Needs Everyday Life • Shopping Calculator – Keep a running total while grocery shopping. • Daily Expense Tracker – Record and manage your spending effortlessly. • Bill Splitter – Easily divide restaurant or shared expenses with friends. • Home Budget Planner – Organize your rent, utilities, and savings in one place. Work & Business • Business Trip Expense Calculator – Tally travel, meals, and hotel costs. • Pricing & Profit Estimator – Enter costs and margins to quickly calculate prices. • Small Business Ledger – Track inventory, sales, and costs with a column layout. • Freelance Project Quotes – Build, review, and update pricing for client projects. Learning & Education • Math Homework Assistant – Break down complex problems step-by-step. • Classroom Teaching Tool – Help students visualize arithmetic operations clearly. • Student Budgeting Practice – Teach basic budgeting and money management. Fast, Clean, and Focused • Instant launch with zero lag • Real-time input response • Seamless cell editing • Designed for touch-first devices • Works offline—no internet required • No ads, no clutter—just pure utility Who Is CalcGrid For? • Shoppers who want to tally costs on the go • Budget-conscious users organizing monthly finances • Freelancers quoting project costs • Travelers recording expenses on the road • Students solving math problems step-by-step • Teachers and tutors guiding learners • Anyone who finds traditional calculators limiting Whether you’re working on personal finances, educational tasks, or business calculations, CalcGrid gives you a structured and visual way to stay organized and accurate. Rethink How You Calculate CalcGrid isn’t just about finding a result—it’s about understanding how you got there. Its clear table structure lets you see, adjust, and manage complex calculations with ease. If you’ve ever wished for a mobile version of Excel that’s fast, simple, and focused solely on math, this is it. Perfect for those who love order, need flexibility, and expect more than a basic calculator can offer.

Screenshots

CalcFast3 screens
CalcGrid4 screens

Verdict

The call

The clearest difference is price: CalcFast at Free against CalcGrid's $0.99. CalcGrid's advantage is update cadence (every 3 days vs every 2 months) and iOS requirement (13.0 vs 18.0). On ads, 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

CalcFast is free to download; CalcGrid costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

CalcFast ships an update every 2 months, CalcGrid every 3 days. The most recent releases landed on October 13, 2026 and September 30, 2026 respectively.

Scorecard3 real differences · 7 level
CalcFast versus CalcGrid: the parameters behind the verdict, then further details
ParameterCalcFastCalcGrid
PriceFree — better$0.99
Rating4.2 (20 ratings) — better—
Positive reviews78.3% of reviews—
Number of ratings20 — better—
Update frequencyEvery 2 monthsEvery 3 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPod
Requires iOS18.013.0 — better
Further details — not scored
Size6 MB0 MB
Age rating4+4+
DeveloperHannes SverrissonVIADEX VENTURES INC

In-app purchases

None

CalcFast

No in-app purchases

None

CalcGrid

No in-app purchases

Questions

Is CalcFast free?
CalcFast is free to download, with no in-app purchases.
Is CalcGrid free?
CalcGrid costs $0.99, with no in-app purchases.
Do CalcFast or CalcGrid have ads?
Neither CalcFast nor CalcGrid shows ads.
Which is updated more often, CalcFast or CalcGrid?
CalcFast ships an update every 2 months, and CalcGrid every 3 days. Most recently, CalcFast was updated on October 13, 2026 and CalcGrid on September 30, 2026.

Other comparisons