Comparison

Calculator Keyboard vs CalcMate

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

Head to head
About

Calculator Keyboard

This app turns your keyboard into a powerful calculator, allowing you to perform calculations directly within any application. Avoid switching apps and copying numbers by calculating on the go, whether you're texting, taking notes, or browsing.

Highlights
  • Calculate within any app
  • Supports Dark Mode
  • Customizable decimal points
  • Scientific calculator functions
  • Calculation history access
  • Keyboard feedback options
Read full description

Calku transforms your keyboard into a handy calculator, making quick calculations effortless without switching apps! Whether you're texting, taking notes, or browsing, you can instantly calculate within any app. Perfect for messaging, homework, or day-to-day tasks. Compatible with many apps such as • Messages, Messenger, WeChat, Line, Twitter, Telegram, Instagram, etc. • Safari • Notes • Mail • Stocks • And many more! Features : • Supports Dark Mode • Full iPadOS Compatibility • Customizable Decimal Points • Powerful Scientific Calculator • Access Your Calculation History • Keyboard Feedback (Sound & Haptic) Say goodbye to app-switching and copying-pasting—Calku makes calculations easy and seamless in any app! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://supagarn-pa.com/Calku/privacy-policy

About

CalcMate

This app combines a notepad with a live calculator, allowing you to perform calculations directly within your notes. It supports percentages, currency and unit conversions, date math, and tagged calculations. Organize your notes with folders and share them as PDFs.

Highlights
  • Calculate directly in notes
  • Live currency and crypto conversion
  • Unit and date conversion
  • Calculation tags
  • Folders for organization
  • Share notes as PDF
  • iCloud sync
Features
Read full description

Stop switching between Notes and Calculator. Type “1000$ + 20% fee” and CalcMate shows the answer instantly, right next to your words. CalcMate is a notepad with a built-in calculator. Mix numbers, text, percentages, currencies, dates and units in the same note, and every line is calculated live as you type. Use it for budgets, expenses, invoices, splitting bills, shopping lists, quotes and quick estimates — no spreadsheet needed. TRY THESE EXAMPLES • 100 + 5 tip • 1000$ + 20% fee • 900$ + 20$ delivery + 1.5% • 500 USD in EUR • 10 BTC in USD • Today + 5 days • 1 kg in lb • subtotal — total of all previous lines • line5 — reuse the result from line 5 • rent × 12 — use saved variables from your Variables list • 20 #food, then sum(#food) — total everything with a tag • # this is a comment WHAT YOU CAN DO • Calculate directly inside your notes, line by line • Percentages, taxes, discounts and tips • Live currency and crypto conversion • Unit conversion: weight, length, volume, time and more • Date and duration math • Variables and line references to reuse results • Calculation tags: sum, average and count lines by #tag • Running total shown above the keyboard STAY ORGANIZED • Folders for every project, trip or budget • Highlight text in eight colors • Dividers to start a fresh calculation section • Share notes as PDF • Trash to restore deleted notes • iCloud sync across iPhone and iPad MAKE IT YOURS • Custom number keyboard with quick symbols • Number formatting, precision, font and font size • Alternate app icons FREE TO USE CalcMate is free. You can optionally remove ads or leave a tip to support development. WE’D LOVE YOUR FEEDBACK Questions or ideas? Email us at lazyboardapp+calcmate@gmail.com

Screenshots

Calculator Keyboard4 screens
CalcMate4 screens

Verdict

The call

The clearest difference is ads: Calculator Keyboard at none against CalcMate's shown. Calculator Keyboard also leads on ratings volume (493 vs 96) and iOS requirement (14.0 vs 16.0). CalcMate's advantage is review sentiment (88% vs 77%). On price, rating, update cadence and in-app purchases 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. Calculator Keyboard sells 2 in-app purchases, starting at $0.99 per month and CalcMate sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

CalcMate holds the better App Store score, 4.9 against 4.7. That said, the two scores are not equally well evidenced: Calculator Keyboard has 493 ratings behind it against 96, so its average is the more settled of the two. Written reviews point the same way: 77% of Calculator Keyboard's written reviews are positive against 88% of CalcMate's.

UpkeepUpdate frequency

Calculator Keyboard ships an update every 3 weeks, CalcMate fortnightly. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

Scorecard4 real differences · 6 level
Calculator Keyboard versus CalcMate: the parameters behind the verdict, then further details
ParameterCalculator KeyboardCalcMate
PriceFreeFree
Rating4.7 (493 ratings)4.9 (96 ratings) — better
Positive reviews76.8% of reviews88.0% of reviews — better
Number of ratings493 — better96
Update frequencyEvery 3 weeksFortnightly — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.0 — better16.0
Further details — not scored
Size3 MB24 MB
Age rating4+4+
DeveloperSupagarn PattananuchartElsayed Hussein

Customer experience

Calculator Keyboard

All ratings494 ratings
Positive93.3%
Neutral2.4%
Negative4.3%
Written reviews56 reviews
Positive76.8%
Neutral10.7%
Negative12.5%

CalcMate

All ratings96 ratings
Positive95.8%
Neutral3.1%
Negative1.0%
Written reviews25 reviews
Positive88.0%
Neutral0.0%
Negative12.0%

Bugs and requests

Calculator Keyboard

Reported bugs

7 issues
  • Cannot delete the app
  • App is buggy sometimes
  • Non-standard division and multiplication symbols not recognized by other apps
  • Incorrect calculations (e.g., 3.10 / 1000 = 0)
  • App only works on Apple Mail and Notes initially
Show 2 more
  • Cannot get it to 'Add Keyboard' on specific devices/iOS versions
  • No scientific calculator available

Requested features

8 requests
  • Add thousands separator for numbers
  • Haptic feedback on key presses
  • Option to hide computation in text box
  • History button on main page
  • Option for standard multiplication and division
Show 3 more
  • Add scientific/accountant calculator
  • Add Pi, square root, etc. to calculator
  • Vibration on touch

CalcMate

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

Calculator Keyboard

Subscriptions1
  • Calku PRO (1 Month)$0.991 Month
One-time1
  • Calku Pro - Lifetime$5.99
4 purchases

CalcMate

One-time4
  • Buy me a coffee$0.99
  • Buy me 2 coffees$1.99
  • Buy Me a burger$4.99
Show 1 more
  • Buy Me a pizza$9.99

Questions

Is Calculator Keyboard free?
Calculator Keyboard is free to download, with in-app purchases available.
Is CalcMate free?
CalcMate is free to download, with in-app purchases available.
Which has better reviews, Calculator Keyboard or CalcMate?
CalcMate is rated higher. Calculator Keyboard averages 4.7 out of 5 from 493 ratings, while CalcMate averages 4.9 from 96 ratings.
Do Calculator Keyboard or CalcMate have ads?
CalcMate shows ads; Calculator Keyboard does not.
Which is updated more often, Calculator Keyboard or CalcMate?
Calculator Keyboard ships an update every 3 weeks, and CalcMate fortnightly. Most recently, Calculator Keyboard was updated on November 3, 2026 and CalcMate on November 7, 2026.

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