Comparison

Calculator vs Calculator +ㅤ

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

Head to head
About

Calculator

This is a straightforward calculator application designed for ease of use and clear readability. Users can personalize the app's appearance by choosing their preferred background and display themes.

Highlights
  • Easy to use interface
  • Clear display
  • Customizable background
  • Customizable display themes
Features
Read full description

Calculator-- is a simple calculator that is easy to use and read. Select the desired background and display. If you like this app, please consider giving it a rating. Your support will help keep the updates coming! Thank you for your support!

About

Calculator +ㅤ

This app simplifies math with basic, scientific, and fraction calculations. It also features a unique snap-and-scribble function to solve problems from photos. Customize your experience with themes and access a calculation history.

Highlights
  • Snap and Scribble Calculator
  • Basic Calculator
  • Scientific Calculator
  • Fraction Calculator
  • Currency Converter
  • Calculation History
  • Customizable Themes
Features
Read full description

Calculator + App, the simplest way to make Math easy! Whether it's basic, scientific, fractions or even solving a problem you take a picture of. We've got you covered! • Snap and Scribble Calculator (NEW!) • Optimized for iPhone & iPad • Basic Calculator • Scientific Calculator • Fraction Calculator • Currrency Converter • Calculation History • Customize with Themes • Simple & Intuitive Design Introducing Rocket Apps PRO: With Rocket Apps PRO you simply subscribe once and get access to all supported Rocket Apps. The best part: we will keep adding new Apps. SUPPORT Our goal is to build the best apps in the world. You can help us by reporting bugs and requesting features via Email: help@rocketapps.com TERMS & PRIVACY https://rocketapps.com/privacy.html https://rocketapps.com/terms.html SUBSCRIPTION TERMS: The App offers an auto-renewing monthly or yearly subscription to provide you with unlimited access to all PRO Features while you maintain an active subscription. Payment will be charged to the credit card connected to your iTunes Account when you confirm the initial subscription purchase. Subscriptions automatically renew unless auto-renew is turned off at least 24-hours before the end of the current subscription period. Your account will be charged for renewal within 24-hours prior to the end of the current period, and the cost of the renewal will be identified. You may manage your subscription and auto-renewal may be turned off by going to your Account Settings after the purchase. Any unused portion of a free trial period, if offered, will be forfeited when you purchase a subscription, where applicable.

Screenshots

Calculator2 screens
Calculator +ㅤ4 screens

Verdict

The call

The clearest difference is in-app purchases: Calculator at none against Calculator +ㅤ's 6. Calculator also leads on review sentiment (80% vs 46%). Calculator +ㅤ's advantage is update cadence (fortnightly vs every 13 months) and ratings volume (4.5K vs 910). On price, rating, ads and device support 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 +ㅤ sells 6 in-app purchases, starting at $2.99 per 7 days. Calculator asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for Calculator against 4.6 for Calculator +ㅤ. Both are backed by a comparable volume of ratings — 910 and 4.5K respectively. Written reviews are what separate them: 80% of Calculator's written reviews are positive against 46% of Calculator +ㅤ's.

UpkeepUpdate frequency

Calculator ships an update every 13 months, Calculator +ㅤ fortnightly. The most recent releases landed on September 8, 2026 and September 23, 2026 respectively.

Scorecard5 real differences · 5 level
Calculator versus Calculator +ㅤ: the parameters behind the verdict, then further details
ParameterCalculatorCalculator +ㅤ
PriceFreeFree
Rating4.7 (910 ratings) — better4.6 (4.5K ratings)
Positive reviews79.6% of reviews — better45.9% of reviews
Number of ratings9104.5K — better
Update frequencyEvery 13 monthsFortnightly — better
AdsYesYes
In-app purchasesNo — betterYes
MonetizationAd-supported — betterSubscription
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size11 MB55 MB
Age rating4+4+
DeveloperHorizon Business, Inc.Rocket Apps GmbH

Customer experience

Calculator

All ratings905 ratings
Positive92.9%
Neutral3.1%
Negative4.0%
Written reviews98 reviews
Positive79.6%
Neutral7.1%
Negative13.3%

Calculator +ㅤ

All ratings4,519 ratings
Positive89.8%
Neutral3.6%
Negative6.6%
Written reviews135 reviews
Positive45.9%
Neutral8.1%
Negative45.9%

User reviews

Calculator

From 910 App Store ratings

What we love

  • 💻 Easy to use
  • 🎨 Colorful and visually appealing
  • 👀 Large, easy-to-read numbers
  • 🎯 Accurate calculations
  • 🆓 Free app

Room to improve

  • 🔊 Loud button clicking sound that can't be turned off
  • 📏 Lacks landscape mode
  • 🔢 No percentage or advanced math functions

Calculator +ㅤ

From 4.5K App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Accurate calculations
  • 🎨 Excellent visuals
  • 💡 Helpful for academic work

Room to improve

  • 💰 Subscription model too expensive
  • 🔍 Decimal entry quirks
  • 📺 Too many ads
  • 🔒 Locked features behind paywall

Bugs and requests

Calculator

Reported bugs

2 issues
  • Sound toggle switch doesn't work to turn off sounds
  • App crashes or freezes on some devices

Requested features

3 requests
  • Add percentage and other advanced math functions
  • Allow landscape mode
  • Add option to turn off button sounds

Calculator +ㅤ

Reported bugs

3 issues
  • Inaccurate square root calculations
  • Compatibility issues on iPad
  • Decimal point not recognized

Requested features

4 requests
  • Negative number support
  • Improved fraction calculator
  • Scientific calculator layout
  • Option to disable history feature

In-app purchases

None

Calculator

No in-app purchases

6 purchases

Calculator +ㅤ

Subscriptions6
  • Rocket Apps PRO Weekly3 Days trial$2.997 Days
  • Rocket Apps PRO Monthly3 Days trial$4.991 Month
  • Rocket Apps PRO Yearly3 Days trial$9.991 Year
Show 3 more
  • Rocket Apps PRO Offer1 Year trial$19.991 Year
  • Rocket Apps PRO Yearly3 Days trial$19.991 Year
  • Rocket Apps PRO Yearly3 Days trial$29.991 Year

Questions

Is Calculator free?
Calculator is free to download, with no in-app purchases.
Is Calculator +ㅤ free?
Calculator +ㅤ is free to download, with in-app purchases available.
Which has better reviews, Calculator or Calculator +ㅤ?
Calculator is rated higher. Calculator averages 4.7 out of 5 from 910 ratings, while Calculator +ㅤ averages 4.6 from 4.5K ratings.
Do Calculator or Calculator +ㅤ have ads?
Both Calculator and Calculator +ㅤ show ads.
Which is updated more often, Calculator or Calculator +ㅤ?
Calculator ships an update every 13 months, and Calculator +ㅤ fortnightly. Most recently, Calculator was updated on September 8, 2026 and Calculator +ㅤ on September 23, 2026.

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