Comparison

Citizen Calculator ⁺ vs Smart Calculator+

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

Head to head
About

Citizen Calculator ⁺

This app emulates a CITIZEN calculator, perfect for everyday and business math. It handles basic operations, corrections, percentages, constants, and large numbers, displaying them in scientific notation when needed.

Highlights
  • Basic math operations
  • Check and correct functionality
  • Auto replay
  • Percent calculation
  • Constants calculation
  • Number formatting
  • Grand total (GT)
Features
Read full description

This app is a fully working emulator of CITIZEN calculator. This calculator is ideal for general and business purposes. Calculator Features:- * Basic math operations (addition, subtraction, multiplication, division) * Check and correct * Auto replay * Percent calculation * Constants calculation * Number formatting (Decimal and digit-grouping) as per device locale * Grand total (GT) You can use this calculator to work with very large numbers. Numbers having more than 12 digits are shown in scientific notation. Leave a review if you like this simple and easy to use calculator app. For any suggestions/queries/problems in the app? Write to us at rakeshapp4@gmail.com

About

Smart Calculator+

This finance app offers real-time auto-calculation and a unique left-to-right input method, eliminating the need for an equals button. It features a comprehensive history log for reviewing and editing past calculations, along with memory functions and customizable themes.

Highlights
  • Real-time auto-calculation
  • Left-to-right input
  • History log with editing
  • Memory functions
  • Customizable color themes
  • Light and dark mode
Read full description

We REMOVED "EQUAL TO" button and replaced it with "SAVE" which saves your calculations shows you all the entries in history log. Excellent for double checking for errors. It is Fast, Simple, Effortless!! (For iPhone and iPad) Real-Time Auto Calculation Results are calculated automatically as you type. Perfect for continuous transactions and fast daily calculations. Left-to-Right Calculation Calculates in natural input order, making it simple and practical for everyday business use. NO EQUAL TO button = now REMOVED With smart and intuitive programming we REMOVED the "=" [EQUAL TO] key because it calculates as you type and shows the result immediately. But we replaced it with SAVE button/function. Click on SAVE and RETRIEVE the calculation history by clicking on the log on left top (tape history). Memory Functions (M+, M-, MR, MC) Store, add, subtract, and recall values easily during calculations. Calculator Tape = Full History Log Track all your previous entries. You can go back and see what you typed and or missed. Calculator Tape = Log Features You can EDIT, COPY, EMAIL, SHARE, DELETE & CANCEL and reuse calculations anytime WITHOUT RECALCULATING and re-entering. Color Themes = 5 Beautiful Themes with Light and Dark Mode Customize the look of your calculator with several pleasant color themes and seamless light/dark mode switching. Keypress Sound Turn sound on or off according to your preference. Feedback and Support Send suggestions or queries directly through the in-app Feedback option. Review and Share Please write us a nice review and share it with your friends and family. Thank you! Mark-up, Mark-Down, Easy! Perfect for Accountants, Shopkeepers, Business owners, Office work, Students, and Daily personal use. Download "Smart Auto Calculator" today and make every calculation effortless.

Screenshots

Citizen Calculator ⁺4 screens
Smart Calculator+4 screens

Verdict

The call

The clearest difference is rating: Smart Calculator+ at 5.0 against Citizen Calculator ⁺'s 4.2. Smart Calculator+ also leads on ads (none vs shown) and update cadence (fortnightly vs every 12 months). Citizen Calculator ⁺'s advantage is in-app purchases (none vs 1). On price, ratings volume, device support and iOS requirement 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. Smart Calculator+ sells 1 in-app purchase, starting at $0.49 per month. Citizen Calculator ⁺ asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Smart Calculator+ holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 5 and 2 respectively.

UpkeepUpdate frequency

Citizen Calculator ⁺ ships an update every 12 months, Smart Calculator+ fortnightly. Both last shipped on October 24, 2026.

Scorecard5 real differences · 5 level
Citizen Calculator ⁺ versus Smart Calculator+: the parameters behind the verdict, then further details
ParameterCitizen Calculator ⁺Smart Calculator+
PriceFreeFree
Rating4.2 (5 ratings)5.0 (2 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings5 — better2
Update frequencyEvery 12 monthsFortnightly — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.1 — better
Further details — not scored
Size6 MB32 MB
Age rating4+4+
DeveloperRakesh BhadaniQuick Consulting and Management LLC

Customer experience

Citizen Calculator ⁺

All ratings4 ratings
Positive75.0%
Neutral0.0%
Negative25.0%

Smart Calculator+

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Citizen Calculator ⁺

No in-app purchases

1 purchases

Smart Calculator+

Subscriptions1
  • Smart Auto Calculator14 Days trial$0.491 Month

Questions

Is Citizen Calculator ⁺ free?
Citizen Calculator ⁺ is free to download, with no in-app purchases.
Is Smart Calculator+ free?
Smart Calculator+ is free to download, with in-app purchases available.
Which has better reviews, Citizen Calculator ⁺ or Smart Calculator+?
Smart Calculator+ is rated higher. Citizen Calculator ⁺ averages 4.2 out of 5 from 5 ratings, while Smart Calculator+ averages 5.0 from 2 ratings.
Do Citizen Calculator ⁺ or Smart Calculator+ have ads?
Citizen Calculator ⁺ shows ads; Smart Calculator+ does not.
Which is updated more often, Citizen Calculator ⁺ or Smart Calculator+?
Citizen Calculator ⁺ ships an update every 12 months, and Smart Calculator+ fortnightly. Most recently, Citizen Calculator ⁺ was updated on October 24, 2026 and Smart Calculator+ on October 24, 2026.

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