# Calculator Plus v2 — Simple. Scientific. Smart.

> Standard and scientific calculator with live preview and advanced input. (iPhone/iPad app by Wern Jie Lim.)

- Source: https://appshunter.io/ios/app/calculator-plus-v2/id1181465428 (this page in markdown: same URL + `.md`)
- Developer: [Wern Jie Lim](https://appshunter.io/developer/1032934247)
- Category: Utilities, Productivity
- Price: Free
- Rating: 4.73/5 from 131 App Store ratings · 213 written reviews indexed
- Age rating: 4+
- Requires: iOS 12.0 · 14 MB
- Languages: English
- Released: 2016-12-05
- Data updated: 2026-08-14
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/calculator-plus-v2/id1181465428/reviews.md

## What is Calculator Plus v2?

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

## Key features

- 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

## What do users think of Calculator Plus v2?

Overall sentiment: positive

**Pros**

- 👍 Looks like the stock app
- 🚀 Fast and responsive
- 🔒 No ads or in-app purchases
- 👍 Clean and intuitive UI
- 👍 Familiar calculator layout
- 👍 Useful scientific functions
- 👍 Supports split-screen on iPad
- 👍 Customizable display options
- 👍 Excellent replacement for Apple Calculator
- 👍 Best calculator app on iOS

**Cons**

- 🐛 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

**Commonly reported bugs**

- Crashes after recent update
- Incorrect results for some calculations
- Keyboard input not working as expected

**Most requested features**

- Add widget support
- Implement iCloud sync for history
- Provide light/dark mode options
- Allow customization of button layout
- Add unit conversion tools
- Improve percentage calculation logic

## Recent user reviews (10 of 213)

All indexed reviews: https://appshunter.io/ios/app/calculator-plus-v2/id1181465428/reviews.md

### 5/5 — Very good calculator

*2026-07-20, version 2.3.1*

Its a good and easy to use

### 5/5 — The Best.

*2026-06-10, version 2.3.1*

This app is THE best calculator on the App Store. No ads, great UX, tons of features, what else could you ask for? 

Thank you very much for maintaining this great app.

### 5/5 — 100% Better than Apple Calculator!

*2026-01-25, version 2.3.1*

This is by far the better calculator for Mac OS and iPhone. The native app is rubbish no sizing options. I have literally just downloaded this and I am writing a review straight away. To the DEV this is brilliant. Keep up the good work.

### 5/5 — Best iOS calculator

*2026-01-05, version 2.3.1*

Basically this should be the default calculator of iOS. It has history, scientific calculator functions and everything you need from a phone calculator. Plus it looks like the stock app.

### 5/5 — Amazing, fast and ad-free

*2025-10-13, version 2.3.1*

It took me a long time to find this app, but I'm glad I installed it.  It is a super small file but does everything I need in a calculator app.  It is super fast, ad-free … what more could you want?  5 star!

### 5/5 — The Best calculator app!!!

*2025-10-10, version 2.3.1*

Hey Wern! This is sage!!! i haven't made a review yet, but the app is THE BEST CALCULATOR APP EVER!!!!!! 10 out of 10 wern!!! keep up the good work!!! Your apps are amazing!!! 100 stars!!!!!!!!!!!!

### 2/5 — Almost great

*2025-10-10, version 2.3.1*

The history tape needs to be visible while using the calculator. The “ANS” is annoying… Just put the number amount. I am looking elsewhere.

### 5/5 — Nice

*2025-09-10, version 2.3.1*

cool

### 5/5 — Front size

*2025-08-30, version 2.3.1*

Could you please increase the quick result font size?

### 1/5 — Recently crashing on Mac

*2025-08-29, version 2.3.1*

I have used this calculator for years on all devices but starting last week the app disappears from my dock within minutes of opening. I use it constantly throughout the day, so having to reopen it every few minutes is quite annoying. I have the most recent Mac iOS update and hope there is a fix for this soon. *** Corrupt. Deleted. Updated Aug 29, 2025. ***

## Frequently asked questions about Calculator Plus v2

### What does Calculator Plus v2 do?

Calculator Plus v2 is a versatile calculator app that functions as both a standard and a scientific calculator. It focuses on a simple user interface while offering advanced features like live expression and answer previews, detailed error hints, and support for various input methods.

### What are the key features of Calculator Plus v2?

Key features include a live display of your expression and answer as you type, a full scientific calculator accessible even in portrait mode, multiple display formats (exact form, scientific notation, fractions), bi-directional clipboard support for easy copying and pasting, and support for hardware keyboards and Apple Pencil Scribble.

### Is Calculator Plus v2 free to use?

Yes, Calculator Plus v2 is a free application. It does not contain any advertisements or tracking, allowing for an uninterrupted and private calculation experience.

### What devices is Calculator Plus v2 compatible with?

The app is designed for iOS devices, including iPhones and iPads. It offers features like Apple Pencil Scribble on iPadOS 14+ and multitasking support for iPadOS. There is also a companion Apple Watch app with full support for math operations.

### How does Calculator Plus v2 help with complex calculations?

It simplifies complex calculations through its live preview, which helps catch errors as you type. The scientific calculator functions are readily available, and it supports various input methods like hardware keyboards and voice dictation, making it efficient for advanced math.

## Version history (last 5 releases)

### 2.3.1 — 2024-10-05

- Fixed: A critical bug may cause tiny numbers with a magnitude lower than 1E-14 to be treated as 0 during addition and subtraction.
- Fixed: The app may crash when the answer of the calculation is exactly 2^63.
- Fixed: The Apple Watch app settings and help pages may not correctly open.
- New: The thousands separator is now also displayed for numbers in the input expression (previous versions only use them in the answer).
- New: Inputs are now instantly autocorrected and/or disambiguated as you type (previous versions only show them when pressing '='). Some rules may be configurable in Math Evaluation Overrides.
- New: Permutations (nPr) and Combinations (nCr) are now available.
- Improved: Percentage change via non-standard math notation of "a ± b%" is now enabled by default, utilizing instant autocorrect to provide visual feedback.
- Improved: The background color is now of higher contrast and lower translucency.
- New: Updated icon to match iOS 18 and iPadOS 18.
- New: On iOS and iPadOS, you may now change the app icon between any variants used since version 2.

### 2.3 — 2024-10-04

- Fixed: A critical bug may cause tiny numbers with a magnitude lower than 1E-14 to be treated as 0 during addition and subtraction.
- New: The thousands separator is now also displayed for numbers in the input expression (previous versions only use them in the answer).
- New: Inputs are now instantly autocorrected and/or disambiguated as you type (previous versions only show them when pressing '='). Some rules may be configurable in Math Evaluation Overrides.
- Improved: Percentage change via non-standard math notation of "a ± b%" is now enabled by default, utilizing instant autocorrect to provide visual feedback.
- Improved: The background color is now of higher contrast and lower translucency.
- New: Updated icon to match iOS 18 and iPadOS 18.

### 2.2.7 — 2023-12-10

- Fixed: The app button layout was squished on watchOS 10. This is now resolved.
- Fixed: Using the arrow keys to navigate and edit your expression after an answer has been computed may cause your entire expression to be lost. This will no longer happen.
- New: Dictation on iOS, iPadOS and macOS now support continuous voice input. Simply say "equals" to get the result, then continue speaking what you want to calculate next. Hint: Use "answer" in your speech to reuse a result from a previous calculation.
- Improved: The watchOS app now has colored backgrounds and vertically scrollable pages on watchOS 10 to better match system conventions.
- Improved: The watchOS app now has a new organization of pages with separate pages for settings.
- Improved: The macOS app now has a translucent blurred window on macOS 11 and later to better match system conventions.

### 2.2.6 — 2023-10-06

- Fixed a crash on iPadOS 17 when attempting to use Apple Pencil Scribble.
- Fixed an issue where calculations resulting in 0 will display an arbitrary tiny value instead (like 1e-14).
- Addition and subtraction operations are now strictly limited to approximately 14-15 digits of precision. Hence, 1e14-1.01 will be computed as 1e14-1 instead. Note that the app never displays answers in more than 12 digits of precision anyway - this is an internal limit.

### 2.2.5 — 2023-07-17

- Fixed a crash when pressing +/- right after pressing ).
- Minor in-app info updates.

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All apps by Wern Jie Lim: https://appshunter.io/developer/1032934247

## Related topics

[wern jie lim](https://appshunter.io/ios/topics/wern-jie-lim)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-14.*