Comparison

Calculator Keyboard vs Encryptor

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

Encryptor

Secure your sensitive files, photos, and texts with robust AES encryption and decryption. Easily password-protect your data, share files with confidence, and maintain your privacy. This app offers a user-friendly and efficient way to keep your information safe.

Highlights
  • File and photo encryption
  • Password protection
  • File decryption
  • Secure file sharing
  • User-friendly interface
Features
Read full description

Encryptor is your all-in-one solution for securing files, photos, and texts. Easily encrypt, decrypt, and password-protect sensitive data with just a tap. Keep your privacy safe and share files securely, knowing your information is always protected. Features: • Quick file and photo encryption • Secure password protection • Easy file decryption • Safe sharing with confidence • User-friendly and fast Take control of your privacy with Encryptor – simple, secure, and efficient. Encryptor Plus is an auto-renewing subscription. Payment for Plus subscription will be charged to your Apple ID account at the confirmation of purchase. The subscription will renew automatically unless it is canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. https://appersian.app/audiom/termsofuse.html

Screenshots

Calculator Keyboard4 screens
Encryptor4 screens

Verdict

The call

The clearest difference is rating: Calculator Keyboard at 4.7 against Encryptor's 4.0. Calculator Keyboard also leads on monetization model (free with in-app purchases vs subscription) and review sentiment (77% vs 57%). On price, update cadence, ads 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 Encryptor sells 5 in-app purchases, starting at $1.99 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 4.0. That said, the two scores are not equally well evidenced: Calculator Keyboard has 493 ratings behind it against 29, 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 57% of Encryptor's.

UpkeepUpdate frequency

Calculator Keyboard ships an update every 3 weeks, Encryptor fortnightly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard5 real differences · 5 level
Calculator Keyboard versus Encryptor: the parameters behind the verdict, then further details
ParameterCalculator KeyboardEncryptor
PriceFreeFree
Rating4.7 (493 ratings) — better4.0 (29 ratings)
Positive reviews76.8% of reviews — better57.1% of reviews
Number of ratings493 — better29
Update frequencyEvery 3 weeksFortnightly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterSubscription
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS14.0 — better17.6
Further details — not scored
Size3 MB16 MB
Age rating4+4+
DeveloperSupagarn PattananuchartSamira Sadeghi

Customer experience

Calculator Keyboard

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

Encryptor

All ratings29 ratings
Positive72.4%
Neutral10.3%
Negative17.2%
Written reviews28 reviews
Positive57.1%
Neutral25.0%
Negative17.9%

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

Encryptor

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
5 purchases

Encryptor

Subscriptions4
  • Encryptor Plus Monthly$1.991 Month
  • Encryptor Plus Monthly3 Days trial$5.997 Days
  • Encryptor Plus Annual$14.991 Year
Show 1 more
  • Encryptor Plus Yearly3 Days trial$34.991 Year
One-time1
  • Encryptor Plus Lifetime$29.99

Questions

Is Calculator Keyboard free?
Calculator Keyboard is free to download, with in-app purchases available.
Is Encryptor free?
Encryptor is free to download, with in-app purchases available.
Which has better reviews, Calculator Keyboard or Encryptor?
Calculator Keyboard is rated higher. Calculator Keyboard averages 4.7 out of 5 from 493 ratings, while Encryptor averages 4.0 from 29 ratings.
Do Calculator Keyboard or Encryptor have ads?
Neither Calculator Keyboard nor Encryptor shows ads.
Which is updated more often, Calculator Keyboard or Encryptor?
Calculator Keyboard ships an update every 3 weeks, and Encryptor fortnightly. Most recently, Calculator Keyboard was updated on November 3, 2026 and Encryptor on October 31, 2026.

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