FP Scientific&Basic Calculator vs Calculator ⁺⁻
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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
Read full descriptionHide full description
*** 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.
Calculator ⁺⁻
This app offers both basic and scientific calculation functions for iPhone and iPad. Users can customize its appearance, view calculation history, and perform complex equations with high accuracy. It also provides real-time calculation display and adjustable touch feedback.
- Basic and scientific calculator modes
- Over 30 scientific operations
- Calculation history view
- Real-time calculation display
- Customizable color themes
- Adjustable button touch sound/vibration
- High accuracy calculations (75+ significant digits)
Read full descriptionHide full description
Calculator for iPad and iPhone is an easy to use that includes both a standard and scientific calculator. Calculator app allows you to: • Customize the look of the application by changing the color • Choose between a basic calculator or scientific calculator with more than 30 scientific operations • View history of your calculations on the History Tab • View an equation of your current calculations • Calculate with accuracy to more than 75 significant digits • Use parenthesis and nested parenthesis in your calculations • Change button touch sound with vibration • Displays real time calculation
Screenshots
Verdict
The clearest difference is ads: FP Scientific&Basic Calculator at none against Calculator ⁺⁻'s shown. FP Scientific&Basic Calculator also leads on update cadence (every 2 weeks vs every 15 months) and review sentiment (69% vs 50%). On price, rating, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 4.6 for FP Scientific&Basic Calculator against 4.7 for Calculator ⁺⁻. That said, the two scores are not equally well evidenced: FP Scientific&Basic Calculator has 657 ratings behind it against 40, so its average is the more settled of the two. Written reviews are what separate them: 69% of FP Scientific&Basic Calculator's written reviews are positive against 50% of Calculator ⁺⁻'s.
FP Scientific&Basic Calculator ships an update every 2 weeks, Calculator ⁺⁻ every 15 months. The most recent releases landed on October 17, 2026 and October 8, 2026 respectively.
| Parameter | FP Scientific&Basic Calculator | Calculator ⁺⁻ |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (657 ratings) | 4.7 (40 ratings) — better |
| Positive reviews | 68.9% of reviews — better | 50.0% of reviews |
| Number of ratings | 657 — better | 40 |
| Update frequency | Every 2 weeks — better | Every 15 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 92 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Ofly Tech Co., Ltd. | Matrix Software Co. |
Customer experience
FP Scientific&Basic Calculator
Calculator ⁺⁻
Bugs and requests
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
Calculator ⁺⁻
Not enough reviews yet to summarise bugs or requests.
In-app purchases
FP Scientific&Basic Calculator
No in-app purchases
Calculator ⁺⁻
No in-app purchases
Questions
Is FP Scientific&Basic Calculator free?
Is Calculator ⁺⁻ free?
Which has better reviews, FP Scientific&Basic Calculator or Calculator ⁺⁻?
Do FP Scientific&Basic Calculator or Calculator ⁺⁻ have ads?
Which is updated more often, FP Scientific&Basic Calculator or Calculator ⁺⁻?
Other comparisons
