Sci vs Calculator Plus v2
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sci
This app offers a versatile calculator with three distinct modes: Basic, Scientific, and Programmer. It provides a history view, sharing capabilities, and supports various input and output formats. The app is designed for iPhone, iPad, and iPod Touch.
- Multi-mode calculator (Basic, Scientific, Programmer)
- Calculation history
- Share results via email
- Copy & paste values
- Configurable display precision
- Retina graphics
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Sci:Pro Calculator is a simple multi-mode calculator for your iPhone, iPad, and iPod Touch (Universal App). The app features three modes of operation: Basic, Scientific, and Programmer. Each mode features an easy-to-access history view and support for sharing results using e-mail or by copying & pasting values to and from other applications. This is our first app for the App Store and we’re making the first version free for everyone to use without ads. If you like the app please take a moment to rate it for us. if you encounter any bugs or problems while using it please let us know and we’ll do our best to fix them as quickly as possible. App Features: • No Ads! • Multi-mode Calculator (Basic, Scientific, Programmer) • Calculation History (Swipe up/down to access) • Full screen key layouts (in all orientations) • Multiple Copy & Paste Formats • Share Results via Email (Plain Text, HTML) • Memory Keys (M+,M-,MC,MR) • Configurable Display Precision (2 to 15 digits) • User Interface Sounds (Configurable: on/off) • Retina graphics (Optimized for all devices) Basic Mode: • High-Precision Floating Point (2-15 digits display precision) • Selectable Display Formats (Standard, Scientific, Engineering) • Basic Math Functions (+, -, ×, ÷) • Percent Key/Mode (Single value or Expression-based) • Parentheses Keys (Expression Grouping/Nesting—iPad Only) Scientific Mode: • High-Precision Floating Point (2-15 digits display precision) • Selectable Display Formats (Standard, Scientific, Engineering) • Basic Math Functions (+, -, ×, ÷, modulo) • Percent Key/Mode (Single value or Expression-based) • Parentheses Keys (Expression Grouping/Nesting) • Trigonometric Functions (Normal, Inverse, and Hyperbolic) • Selectable Trig. Mode (Degrees, Radians) • Exponent Functions (2^x, 10^x, x^y, x², x³ e^x) • Root Functions (√, ³√, x√y) • Logarithmic Functions (Log2, Log10, Ln) • Other Functions (random, Exponent, Factorial, 1/x) • Numerical Constants (π, e) Programmer Mode: • 64 bit Integer Values • Radix Modes & Conversion (Binary, Decimal, Hexadecimal, Octal) • Integer Math Functions (+, -, ×, ÷, MOD) • Bitwise Operators (AND, OR, NOR, XOR) • Bit Shift and Rotate (Single & Multiple bit) • Signed Number Operations (1’s & 2's Complement) • Byte-Flip, Word-Flip • Bit Count • Random Integer • Parentheses Keys (Expression Grouping/Nesting) • Full-time Binary View (iPad Only) • Encoding Views (ASCII, Unicode, RGB) • Multiple Copy Formats (Binary, Hex, Decimal, ASCII, Unicode, RGB value) • Multiple Paste Formats (Decimal, Hex, Octal, and Binary values)
Calculator Plus v2
This app offers a powerful yet simple calculator experience, combining standard and scientific functions with live previews and error hints. It supports various input methods, including hardware keyboards and Apple Pencil, and provides multiple display formats for clear understanding of calculations.
- Standard and scientific calculator
- Live expression and answer preview
- Multiple display formats
- Hardware keyboard support
- Apple Pencil Scribble support
- Bi-directional clipboard support
- Syntax error hints
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Calculator Plus is a standard and scientific calculator that has simplicity at its core, while not compromising on functionality. Even with its simple user interface inspired by the built-in Calculator app on iOS, it offers much, much more - and with no ads! With full expression and live answer preview, be faster than ever at calculating, and see exactly what you typed. Understand your answers by displaying them in exact form, scientific notation, fractions and more. Catch the exact errors with helpful syntax errors, with beautiful animations to complement your calculations. The full scientific calculator is also present in the portrait layout, so you can calculate scientific operations away one-handed on your phones, or via a space-efficient vertical window on larger screens. That's not all! If you're on a Mac, or have a hardware keyboard connected to your iPad or iPhone, simply type your math expressions normally and it will be registered - including every scientific operation listed. Clipboard support not only allows you to copy your calculations for others to see, it also gives you the ability to instantly take any expression from anywhere and paste into the app. Plus, enjoy bonus functionality like math expression autocorrection, voice dictation, Apple Pencil Scribble, and more! Download Calculator Plus to experience it for yourself! Feature List: - Standard & Scientific Calculator. - Simple UI design puts focus on your calculations. - Live expression and answer display while typing. - Full scientific calculator in the portrait layout with minimal rearrangement. - View long operations comfortably with scrollable calculation panels. - Multiple display formats: Exact Form, Scientific Notation, Fractions and more! - Bi-directional clipboard: Copy & Paste any expression into and out of the app. - Math Evaluation Overrides: For those who want to configure autocorrect or prefer non-standard notations/conventions. - Custom Scientific Typing Mode: Append, Substitute or a hybrid of both when using on-screen buttons. - Full Hardware Keyboard input support (including scientific operations!) - Apple Pencil Scribble support on iPadOS 14+ in English. - Basic Voice Dictation input support in English. - iPadOS SlideOver, Split View and Stage Manager multitasking support. - Satisfying clicks with haptic feedback on modern iPhones. - Complete support for all math operations and input methods on the Apple Watch app. - Useful Syntax Error hints to let you know exactly what's wrong. - Lightweight: only a few MB in size. - No ads, no tracking :) If you have or find any problems, feel free to contact me under App Support within Calculator Plus. Developer: Wern
Screenshots
Verdict
The clearest difference is ratings volume: Sci at 3.9K against Calculator Plus v2's 133. Sci also leads on iOS requirement (9.3 vs 12.0). Calculator Plus v2's advantage is device support (5 vs 3). On price, rating, review sentiment 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
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 — 4.8 for Sci against 4.7 for Calculator Plus v2. That said, the two scores are not equally well evidenced: Sci has 3.9K ratings behind it against 133, so its average is the more settled of the two. Written reviews are what separate them: 93% of Sci's written reviews are positive against 89% of Calculator Plus v2's.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 29, 2026 and October 20, 2026 respectively.
| Parameter | Sci | Calculator Plus v2 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (3.9K ratings) — better | 4.7 (133 ratings) |
| Positive reviews | 93.1% of reviews — better | 89.2% of reviews |
| Number of ratings | 3.9K — better | 133 |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac, Apple Watch — better |
| Requires iOS | 9.3 — better | 12.0 |
| Further details — not scored | ||
| Size | 70 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | Jerry Montgomery | Wern Jie Lim |
Customer experience
Sci
Calculator Plus v2
User reviews
Sci
From 3.9K App Store ratingsWhat we love
- 🚀 Fast and responsive
- 👍 Clean and intuitive interface
- 🔒 No ads or in-app purchases
- 💡 Versatile with basic, scientific, and programming modes
- 👍 Useful for a variety of calculations
Room to improve
- 🐛 Occasional bugs or glitches
- 🔍 Lack of split-screen support on iPad
- 🔍 Limited keyboard input support
- 🔍 Inconsistent behavior when switching between modes
Calculator Plus v2
From 133 App Store ratingsWhat we love
- 👍 Looks like the stock app
- 🚀 Fast and responsive
- 🔒 No ads or in-app purchases
- 👍 Clean and intuitive UI
- 👍 Familiar calculator layout
Room to improve
- 🐛 Occasional crashes or disappearing from dock
- 🐛 Incorrect percentage calculations
- 🐛 Inconsistent behavior with order of operations
- 🔍 History tape not visible during calculations
- 🔍 No option to set number of decimal places
Bugs and requests
Sci
Reported bugs
3 issues- Incorrect calculations for certain sequences of operations
- Memory issues when dealing with large numbers or exponents
- Compatibility problems with newer iOS versions
Requested features
4 requests- Ability to configure number of digits displayed
- Option to change display colors or themes
- Support for more advanced programming features
- Integration with other apps or services
Calculator Plus v2
Reported bugs
3 issues- Crashes after recent update
- Incorrect results for some calculations
- Keyboard input not working as expected
Requested features
6 requests- Add widget support
- Implement iCloud sync for history
- Provide light/dark mode options
- Allow customization of button layout
- Add unit conversion tools
Show 1 moreShow fewer
- Improve percentage calculation logic
In-app purchases
Sci
No in-app purchases
Calculator Plus v2
No in-app purchases







