Comparison

Calculator Easy HD vs CALC Smart Calculator ±

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

Head to head
About

Calculator Easy HD

This app offers a user-friendly calculator experience with a focus on ease of use. It features a live voice input, an ergonomic layout with large keys, and a usage history for quick reference. Results can be easily copied or emailed.

Highlights
  • Live voice calculator
  • Ergonomic key layout
  • Extra large '+' key
  • Usage record
  • Copy & send results
  • Dark Mode support
Features
Read full description

- Live voice calculator - Ergonomic key layout - Extra large "+" key - Backspace key - Nice Key sound - Usage Record - Copy & Send the result by e-mail - Retina display (all iPad & iPhone) - Support Dark Mode Calculator Easy HD URL scheme: HCCalculatorEasy://

About

CALC Smart Calculator ±

This app offers a versatile calculator experience with basic, scientific, and advanced modes. It features real-time results, unit conversions, custom functions, and a shareable history. Optimized for various Apple devices, it's designed for ease of use by students, professionals, and scientists.

Highlights
  • Real-time results
  • Unit and currency conversions
  • Custom functions and constants
  • Shareable calculation history
  • Landscape mode with tape-roll
  • Gratuity calculator
Features
Read full description

Why Choose CALC Smart? ► Used by Scientists, Professionals and Students alike ► Apple-Featured: Spotlighted in Utilities and Calculate & Convert. ► User-Loved: Over 10k+ global reviews and 200M+ sessions validate its utility. ► Educator-Certified: Praised by teachers on the Educational App Store for its intuitive UI. Ready for the Latest OS * Multitask on your iPad and use 3D Touch shortcuts. * Search your calculation history with Spotlight. * Widget with history integration. * Apple Watch support, complete with haptic feedback and complications. Top 10 Unique Features ① Real-time results, even with incomplete parentheses. ② Landscape mode for shareable history and tape-roll. ③ Optimized custom keyboard & widget to save space and time. ④ Fast unit and currency conversions—a swipe away. ⑤ Quick gratuity calculator with rounding options. ⑥ Display decimals as fractions with 1/999 precision. ⑦ Create unlimited custom functions and constants. ⑧ Easy expression sharing via link. ⑨ Built-in timer. ⑩ Limitless themes and layouts. Why Users Love CALC * Live Math: Natural input, even for complex calculations. * Swipe Functions: Over 60 advanced math functions just a swipe away. * History: Never lose track of your calculations. * Conversion: 21 categories, plus custom options. Additional Features * Edit on the Fly: Long-press to modify expressions and numbers. * Audio Feedback: Customize tapping sounds. * Styling: Multiple font choices. * Enterprise-Ready: EMM support with MDM & AppConfig. We Listen * Frequent updates based on your feedback. Got a suggestion? Visit our UserVoice page: https://QApps.UserVoice.com Custom Background Tip * Design your own CALC background with images from NASA’s multimedia library: https://nasa.gov/multimedia Terms & Usage * Using this app means agreeing to the standard Terms of Use. Standard Terms of Use (EULA) - https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Calculator Easy HD4 screens
CALC Smart Calculator ±4 screens

Verdict

The call

The clearest difference is price: CALC Smart Calculator ± at Free against Calculator Easy HD's $0.99. CALC Smart Calculator ± also leads on update cadence (fortnightly vs every 6 weeks). Calculator Easy HD's advantage is iOS requirement (15.0 vs 17.0). On rating, review sentiment, 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

CALC Smart Calculator ± is free to download; Calculator Easy HD costs $0.99 up front. Calculator Easy HD sells 7 one-off in-app purchases and CALC Smart Calculator ± sells 4 in-app purchases, starting at $0.99 per 3 months. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for Calculator Easy HD against 4.8 for CALC Smart Calculator ±. Both are backed by a comparable volume of ratings — 1.2K and 2.4K respectively. Written reviews are what separate them: 94% of Calculator Easy HD's written reviews are positive against 87% of CALC Smart Calculator ±'s.

UpkeepUpdate frequency

Calculator Easy HD ships an update every 6 weeks, CALC Smart Calculator ± fortnightly. The most recent releases landed on November 6, 2026 and November 1, 2026 respectively.

Scorecard3 real differences · 7 level
Calculator Easy HD versus CALC Smart Calculator ±: the parameters behind the verdict, then further details
ParameterCalculator Easy HDCALC Smart Calculator ±
Price$0.99Free — better
Rating4.8 (1.2K ratings) — better4.8 (2.4K ratings)
Positive reviews94.3% of reviews — better87.3% of reviews
Number of ratings1.2K2.4K — better
Update frequencyEvery 6 weeksFortnightly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod, Apple WatchiPhone, iPad, Mac, Apple Watch
Requires iOS15.0 — better17.0
Further details — not scored
Size56 MB16 MB
Age rating4+4+
Developer良峰 侯QApps LLC

Customer experience

Calculator Easy HD

All ratings1,213 ratings
Positive96.5%
Neutral1.6%
Negative1.9%
Written reviews1,521 reviews
Positive94.3%
Neutral2.6%
Negative3.1%

CALC Smart Calculator ±

All ratings2,370 ratings
Positive96.7%
Neutral2.1%
Negative1.2%
Written reviews640 reviews
Positive87.3%
Neutral3.9%
Negative8.8%

User reviews

Calculator Easy HD

From 1.2K App Store ratings

What we love

  • 👍 Easy to use
  • 👍 Helpful paper tape feature
  • 👍 Attractive and clear interface
  • 👍 Reliable and accurate calculations
  • 👍 Great for everyday calculations

Room to improve

  • 🐛 Compatibility issues with latest iOS updates
  • 🐛 Occasional crashes or bugs
  • 🔋 High battery consumption
  • 💰 Potential hidden costs or in-app purchases

CALC Smart Calculator ±

From 2.4K App Store ratings

What we love

  • 💻 Excellent calculator functionality
  • 🎨 Beautiful and clean interface
  • 🔢 Displays full calculation history
  • 🔍 Useful conversion tools
  • 🤖 Seamless Apple Watch integration

Room to improve

  • 💰 Subscription model introduced
  • 🔒 Restricted features behind paywall
  • 📊 Calculation bugs and inaccuracies
  • 🔄 Unnecessary UI changes frustrate users

Bugs and requests

Calculator Easy HD

Reported bugs

3 issues
  • Unable to update app to latest version
  • Buttons not responding after clearing entries
  • Calculations not displaying properly

Requested features

4 requests
  • Add scientific calculator functions
  • Improve editing capabilities for incorrect entries
  • Provide more customization options
  • Implement a dark mode theme

CALC Smart Calculator ±

Reported bugs

3 issues
  • Calculation errors in certain scenarios
  • Forced tutorial popup on every launch
  • Unreliable widget functionality

Requested features

4 requests
  • Ability to easily clear calculation history
  • Option to customize button layout
  • Support for entering hexadecimal numbers
  • Integration with other apps and services

In-app purchases

7 purchases

Calculator Easy HD

One-time7
  • Fashion Theme Pack 1$0.99
  • Season Theme Pack 1$0.99
  • Fashion Theme Pack 2$0.99
Show 4 more
  • Festivals Theme Pack 1$0.99
  • Bird Theme Pack 1$0.99
  • Fashion Theme Pack 3$0.99
  • Insects Theme Pack 1$0.99
4 purchases

CALC Smart Calculator ±

Subscriptions4
  • Quarterly Supporter$0.993 Months
  • Quarterly Supporter7 Days trial$1.993 Months
  • Annual Contributor$2.991 Year
Show 1 more
  • Annual Contributor7 Days trial$5.991 Year

Questions

Is Calculator Easy HD free?
Calculator Easy HD costs $0.99, and also offers in-app purchases.
Is CALC Smart Calculator ± free?
CALC Smart Calculator ± is free to download, with in-app purchases available.
Which has better reviews, Calculator Easy HD or CALC Smart Calculator ±?
Calculator Easy HD is rated higher. Calculator Easy HD averages 4.8 out of 5 from 1.2K ratings, while CALC Smart Calculator ± averages 4.8 from 2.4K ratings.
Do Calculator Easy HD or CALC Smart Calculator ± have ads?
Neither Calculator Easy HD nor CALC Smart Calculator ± shows ads.
Which is updated more often, Calculator Easy HD or CALC Smart Calculator ±?
Calculator Easy HD ships an update every 6 weeks, and CALC Smart Calculator ± fortnightly. Most recently, Calculator Easy HD was updated on November 6, 2026 and CALC Smart Calculator ± on November 1, 2026.

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