Calculator + vs FP Scientific&Basic Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calculator +
This app offers a free basic and scientific calculator with an intuitive interface. It supports fractions, percentages, and advanced editing. Optional upgrades provide specialized calculators for fractions with units, polynomial and linear equation solving, graphing, and geometric shapes.
- Free basic and scientific calculator
- Intuitive interface with equation and result display
- Fraction and percent support
- Advanced editing capabilities
- Polynomial and linear equation solver
- Graphing calculator
- Unit conversion and geometric calculators
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Award winning calculator app for iPad and iPhone. Designed with simplicity, usability and beauty in mind! FEATURES: - Free basic calculator - Free scientific calculator - Elegant & Intuitive interface - Advanced editing by easily going back and forth - Displays both the equation & the result at the same time - Supports Fraction & Percent - Supports many scientific functions If you are looking for more advanced features you can upgrade to one or more of the following: - Fraction Calculator with feet, inches & cm support! - Solving for x with a polynomial Calculator for solving quadratic & cubic equations 2x³ - 4x² - 22x + 24 = 0 - Linear Equations Solver for solving system of linear equations 2x – y = 9 3x + 4y = –14 - Graphing Calculator to find the local min, max & intersection points y = 2x³ – 4x (x² + y²)³ = -27y²x² - Triangle Calculator - Cone Calculator - Arc Calculator - Circle Calculator - Base Converter ( HEX OCT BIN DEC ) - Multiple themes Enjoy the FREE Scientific calculator on your iPhone & iPad. If you like it, support us by upgrading or giving us a positive review. Thanks :) Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
FP Scientific&Basic Calculator
This app offers a versatile calculator with basic arithmetic, currency, and unit conversion capabilities. It features customizable interfaces, including dark mode, and supports split-screen functionality on iPads. Users can also track calculation history and split bills.
- Basic and arithmetic calculations
- Currency conversion (160 currencies)
- Unit conversion (10 units)
- Dark and light mode
- Split-screen computing
- Calculation history
- Bill splitting
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*** Free & Prefect*** FP Calculator is a calculator designed for iPhone and iPad that includes basic calculations, arithmetic equations, currency conversions, and unit conversion functions. Two interface styles, dark mode, and normal mode are available for you to choose from. • Top Utilities Apps Worldwide • Award-winning calculator app for iPad and iPhone FEATURES: • Stay Perfect & Keep Free • Dark and light background for your choice • Split-screen computing support on the iPad side • Powerful calculation functions • 160 currencies to convert • 10 unit conversions • Automatically save history • Bill Splitting - Check the fees • Self-selection result decimal display • Multiple button sounds • High quality customized user services - WE LOVE FEEDBACK - If you encounter any usage problems, you can contact us via user feedback on the settings page or email: FPcalculator@gmail.com We welcome your valuable comments! If you like the app, please feel free to leave us a 5-star rating and review! Make Apps Free & Perfect.
Screenshots
Verdict
The clearest difference is in-app purchases: FP Scientific&Basic Calculator at none against Calculator +'s 12. FP Scientific&Basic Calculator also leads on ads (none vs shown) and iOS requirement (11.0 vs 16.4). Calculator +'s advantage is review sentiment (85% vs 69%) and update cadence (every 4 days vs every 2 weeks). On price, rating 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
Both are free to download. Calculator + sells 12 in-app purchases, starting at $4.99 per month. FP Scientific&Basic Calculator asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.6 for Calculator + against 4.6 for FP Scientific&Basic Calculator. That said, the two scores are not equally well evidenced: Calculator + has 10K ratings behind it against 657, so its average is the more settled of the two. Written reviews are what separate them: 85% of Calculator +'s written reviews are positive against 69% of FP Scientific&Basic Calculator's.
Calculator + ships an update every 4 days, FP Scientific&Basic Calculator every 2 weeks. The most recent releases landed on September 24, 2026 and September 14, 2026 respectively.
| Parameter | Calculator + | FP Scientific&Basic Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (10K ratings) | 4.6 (657 ratings) |
| Positive reviews | 84.9% of reviews — better | 68.9% of reviews |
| Number of ratings | 10K — better | 657 |
| Update frequency | Every 4 days — better | Every 2 weeks |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.4 | 11.0 — better |
| Further details — not scored | ||
| Size | 48 MB | 92 MB |
| Age rating | 4+ | 4+ |
| Developer | xNeat.com | Ofly Tech Co., Ltd. |
Customer experience
Calculator +
FP Scientific&Basic Calculator
User reviews
Calculator +
From 10K App Store ratingsWhat we love
- 👍 Great features and easy to use
- 👍 Efficient and quick
- 👍 Versatile, functional calculator
- 👍 Fantastic, easy to use app
- 👍 Awesome calculator app
Room to improve
- 🐛 New updated layout is awful
- 🐛 App is now terrible
- 🔒 Paying customer screwed over by update
- 🔒 Now timed trial, no free w/ads version
- 🔒 Not honest
FP Scientific&Basic Calculator
From 657 App Store ratingsWhat we love
- 👍 Excellent app
- 👍 Great calculator
- 👍 User-friendly interface
- 👍 Comprehensive features
- 👍 Convenient currency converter
Room to improve
- 🐛 Frozen currency exchange rates
- 🔍 Excessive ads and pop-ups
- ⏱️ Slow app startup
- 🔒 Lack of ad-free purchase option
Bugs and requests
Calculator +
Reported bugs
5 issues- Fraction calculator has TWO subtraction buttons and NO division button
- Decimals seem to be changed to fraction with no apparent way of changing it back
- Functionality is dropped by forcing you to the main menu every time you open it
- Currency converter broken
- Login screen freezes
Requested features
5 requests- Add mod function
- Add commas
- Add 1/x function
- Support for Retina Display
- Add number 4 with two lines
FP Scientific&Basic Calculator
Reported bugs
3 issues- Currency converter not working
- Crashes and freezes
- Incompatibility with older devices
Requested features
4 requests- Add tax calculation feature
- Implement widget support
- Provide more Christmas themes
- Fix currency converter issues
In-app purchases
Calculator +
- Scientific Calculator3 Days trial$4.991 Month
- Calculator7 Days trial$39.991 Year
- Linear Calculator$2.99
- Factoring Calculator$2.99
- Handwriting Calculator$2.99
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- Currency Converter$2.99
- Themes Pack$2.99
- Graphing Calculator$3.99
- Fraction Calculator$3.99
- Scientific Calculator$4.99
- Calculator Plus$4.99
- Calculator$16.99
FP Scientific&Basic Calculator
No in-app purchases
Questions
Is Calculator + free?
Is FP Scientific&Basic Calculator free?
Which has better reviews, Calculator + or FP Scientific&Basic Calculator?
Do Calculator + or FP Scientific&Basic Calculator have ads?
Which is updated more often, Calculator + or FP Scientific&Basic Calculator?
Other comparisons
