Comparison

Calculator Keyboard vs Timr

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

Timr

Manage multiple tasks simultaneously with customizable timers. Organize timers into pages, personalize alerts, and track time efficiently with a clean, ad-free interface. Ideal for cooking, studying, workouts, and any situation requiring precise time management.

Highlights
  • Unlimited simultaneous timers
  • Multiple timer pages for organization
  • Customizable labels, colors, icons
  • Adjustable alert styles and sounds
  • Intuitive tap-to-start/pause/resume controls
  • Drag and drop timer reordering
Features
Read full description

Minimalist & clean design, flexible timers, multiple timer pages, rich features, no ads, and even more that perfectly fits your time tracking needs. Create unlimited timers for anything: cooking, studying, or workouts, Timr offers customisable timers for any situation to help you be organised and productive! Intuitive usage: tap to start a timer, tap again to pause, tap again to resume. Create multiple timer pages to categorise different timers and manage them effortlessly. Tap and hold to enter edit mode, drag and drop to reorder your timers. Swipe to navigate through different timer pages, just like your iPhone's home page. Customise your timers with numerous labels, colors, icons, alert styles, sounds, and notifications. Download Timr and start managing your time today with unlimited boards, timers, and various features . Standard Agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Calculator Keyboard4 screens
Timr4 screens

Verdict

The call

Calculator Keyboard and Timr both sit at 4.7 stars, but that hides the real split: 77% of Calculator Keyboard's written reviews are positive against 57% of Timr's. Calculator Keyboard also leads on device support (3 vs 1) and iOS requirement (14.0 vs 16.0). Timr's advantage is update cadence (weekly vs every 3 weeks). On price, rating, ratings volume and ads 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 Timr sells 4 in-app purchases, starting at $1.69 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Calculator Keyboard holds the better App Store score, 4.7 against 4.5. Both are backed by a comparable volume of ratings — 493 and 183 respectively. Written reviews point the same way: 77% of Calculator Keyboard's written reviews are positive against 57% of Timr's.

UpkeepUpdate frequency

Calculator Keyboard ships an update every 3 weeks, Timr weekly. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

Scorecard4 real differences · 6 level
Calculator Keyboard versus Timr: the parameters behind the verdict, then further details
ParameterCalculator KeyboardTimr
PriceFreeFree
Rating4.7 (493 ratings) — better4.5 (183 ratings)
Positive reviews76.8% of reviews — better57.1% of reviews
Number of ratings493 — better183
Update frequencyEvery 3 weeksWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS14.0 — better16.0
Further details — not scored
Size3 MB57 MB
Age rating4+4+
DeveloperSupagarn PattananuchartApp Forgeron LLC

Customer experience

Calculator Keyboard

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

Timr

All ratings176 ratings
Positive88.1%
Neutral4.0%
Negative8.0%
Written reviews28 reviews
Positive57.1%
Neutral3.6%
Negative39.3%

User reviews

Calculator Keyboard

From 493 App Store ratings

What we love

  • 👍 Very useful application
  • 🚀 Handy calculator within keyboard
  • 💡 Innovative idea for an app
  • 👍 Easy to use
  • 🔒 Respects user privacy

Room to improve

  • 🐛 Cannot delete the app
  • 🐛 Buggy at times
  • 🐛 Non-standard division/multiplication symbols
  • 🐛 Incorrect calculations
  • 🐛 Doesn't work on all apps initially

Timr

From 183 App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Efficient at keeping users on task
  • 💡 Minimalist and basic design
  • 👍 Interesting and elegant app

Room to improve

  • 🐛 Fake code/scam issue
  • 🐛 Incorrect information on App Store
  • 🐛 Charged for a supposedly free app

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

Timr

Reported bugs

2 issues
  • Login screen freezes
  • Incompatible with older devices

Requested features

3 requests
  • Search function based on name
  • Ability to create folders to separate different timers
  • Chain timers for multi-step tasks

In-app purchases

2 purchases

Calculator Keyboard

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

Timr

Subscriptions2
  • Monthly Pro$1.691 Month
  • Yearly Pro$6.691 Year
One-time2
  • Lifetime ProFree
  • Lifetime Pro$9.99

Questions

Is Calculator Keyboard free?
Calculator Keyboard is free to download, with in-app purchases available.
Is Timr free?
Timr is free to download, with in-app purchases available.
Which has better reviews, Calculator Keyboard or Timr?
Calculator Keyboard is rated higher. Calculator Keyboard averages 4.7 out of 5 from 493 ratings, while Timr averages 4.5 from 183 ratings.
Do Calculator Keyboard or Timr have ads?
Neither Calculator Keyboard nor Timr shows ads.
Which is updated more often, Calculator Keyboard or Timr?
Calculator Keyboard ships an update every 3 weeks, and Timr weekly. Most recently, Calculator Keyboard was updated on November 3, 2026 and Timr on November 4, 2026.

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