Comparison

Calculator vs Calculator Plug

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

Head to head
About

Calculator

This universal calculator offers traditional functions plus advanced features like equation solving, geometric calculations, and derivative work. Its smart scanner can read math from text, making it ideal for students and daily use.

Highlights
  • Equation solving
  • Geometric calculations
  • Derivative calculations
  • Smart scanner for text input
  • Traditional calculator functions
Features
Read full description

Andulator is a universal calculator designed for college and school students, as well as anyone who needs a reliable calculator in daily life. It provides all the traditional functionalities and much more: • Solve equations easily • Perform geometric calculations • Work with derivatives • Use the built-in smart scanner to instantly read numbers and operation symbols from handwritten or printed text Andulator combines powerful features with simplicity, making it the perfect tool for both learning and everyday use.

About

Calculator Plug

Access over 450 specialized calculators for construction, finance, health, trades, and more. This app offers a clean, offline-capable interface for quick, accurate calculations without intrusive ads.

Highlights
  • 450+ searchable calculators
  • Offline functionality
  • Clean dark interface
  • Construction calculators
  • Finance calculators
  • Health and fitness calculators
  • Trades calculators
Features
Read full description

Calculator Plug puts 450+ real-world calculators in one fast, clean app - built for people who need a real answer, not a search engine full of pop-ups. CATEGORIES - Construction and home: concrete, drywall, flooring, roofing, framing, square footage - Finance and money: mortgage, loan, refinance, compound interest, ROI, retirement - Health and fitness: BMI, calories, macros, body fat, heart rate, pace - Math and science: algebra, geometry, statistics, chemistry, physics - Trades: electrical, plumbing, HVAC, welding, structural engineering - Trading and investing: position size, pip value, cost basis, capital gains - Conversions, automotive, business, date and time, and more - Field pack: local weather, tides, sunrise/sunset and moon times FEATURES - 450+ calculators, searchable in a tap - Works offline (except live weather and tides) - Pro unlocks every calculator; Pro+ adds the professional suite - Clean dark interface, no clutter Free to use with a core set. Pro and Pro+ unlock the full library. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Calculator4 screens
Calculator Plug4 screens

Verdict

The call

The clearest difference is in-app purchases: Calculator at none against Calculator Plug's 4. Calculator Plug's advantage is iOS requirement (15.1 vs 17.0). On price, rating, ratings volume and update cadence 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 Plug sells 4 in-app purchases, starting at $5.99 per month. Calculator asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Calculator against 5.0 for Calculator Plug. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

UpkeepUpdate frequency

Calculator ships an update every 8 days, Calculator Plug every 4 days. The most recent releases landed on October 15, 2026 and October 14, 2026 respectively.

Scorecard3 real differences · 6 level
Calculator versus Calculator Plug: the parameters behind the verdict, then further details
ParameterCalculatorCalculator Plug
PriceFreeFree
Rating5.0 (2 ratings)5.0 (1 ratings)
Number of ratings2 — better1
Update frequencyEvery 8 daysEvery 4 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.1 — better
Further details — not scored
Size6 MB34 MB
Age rating4+4+
DeveloperBytesly Technologies, LLCMark Gabrielli

Customer experience

Calculator

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Calculator Plug

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Calculator

No in-app purchases

4 purchases

Calculator Plug

Subscriptions2
  • Pro Monthly$5.991 Month
  • Pro+ Monthly$9.991 Month
One-time2
  • Pro Lifetime$29.99
  • Pro+ Lifetime$44.99

Questions

Is Calculator free?
Calculator is free to download, with no in-app purchases.
Is Calculator Plug free?
Calculator Plug is free to download, with in-app purchases available.
Which has better reviews, Calculator or Calculator Plug?
Calculator and Calculator Plug are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.
Do Calculator or Calculator Plug have ads?
Neither Calculator nor Calculator Plug shows ads.
Which is updated more often, Calculator or Calculator Plug?
Calculator ships an update every 8 days, and Calculator Plug every 4 days. Most recently, Calculator was updated on October 15, 2026 and Calculator Plug on October 14, 2026.

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