# BigInt Calculator — Arbitrary-precision math

> Multi-threaded calculator with spreadsheet-like input for complex calculations. (iPhone/iPad app by Viktor Pobedria.)

- Source: https://appshunter.io/ios/app/bigint-calculator/id1610628748 (this page in markdown: same URL + `.md`)
- Developer: [Viktor Pobedria](https://appshunter.io/developer/1610628750)
- Category: Utilities, Education
- Price: Free (on sale, was $0.99)
- Rating: 4.30/5 from 3 App Store ratings · 5 written reviews indexed
- Age rating: 4+
- Requires: iOS 18.0 · 2 MB
- Languages: British English, Arabic, Bangla, Catalan, Croatian, Czech, Danish, Dutch, Finnish, Canadian French and 34 more
- Released: 2022-02-19
- Data updated: 2026-08-20
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/bigint-calculator/id1610628748/reviews.md

## What is BigInt Calculator?

A calculator for those who need more than standard precision.

Works with integers and decimals of arbitrary size — no rounding, no overflow, no lost digits. Heavy operations are accelerated on the GPU via Metal, so even multiplying numbers thousands of digits long stays fast.

Features
- Addition, subtraction, multiplication, division
- Powers and square roots (0.5, 1.5, 2.5…)
- Parentheses and correct operator precedence
- Three independent tabs M1, M2, M3 for parallel work
- Live calculation progress and elapsed time
- Cancel long operations at any moment
- Copy expression or result with one tap
- Alternative symbol support: × ÷ : ,

GPU acceleration
The interpreter chooses between CPU and GPU based on expression complexity and auto-tunes itself to your device. This delivers a noticeable boost for operations on numbers with hundreds or thousands of digits.

Who it's for
- Students and math teachers
- Developers working with cryptography and large primes
- Number theory researchers
- Anyone hitting the limits of ordinary calculators

No ads, no trackers, no accounts. Works on smartphone, tablet, and computer.

## Key features

- Table-based input with step-by-step editing
- Automatic real-time recalculation
- Handles complex expressions with parentheses and exponents
- Arbitrary-precision arithmetic for massive numbers
- 3 independent workspaces
- Universal support for iPhone, iPad, and Mac

## Recent user reviews (5 of 5)

All indexed reviews: https://appshunter.io/ios/app/bigint-calculator/id1610628748/reviews.md

### 3/5 — Missing

*2025-05-12*

Exponent notation missing. I couldn’t find it…

### 5/5 — Large Numbers vs Default calculator

*2024-10-24*

After upgrading to iOS 18, using the default calculator became impossible, and I’m glad I found Large Numbers—great interface and awesome support. Well done!

### 5/5 — COOL

*2024-02-12*

NICELY LAID OUT

### 3/5 — Takes too much time to input such large number

*2023-06-26*

Please insert exponent notation so I can see a really large number whiteout taking too much time

**Developer response:** Implemented in version 2.5.0👌. Welcome to try it 😉

### 3/5 — Large numbers + my computer = CRASH

*2023-06-20*

It crashes every time I type in a 4 digit or more long exponent…also because I. An type in the exponent on my IPad please insert exponent notation

## Frequently asked questions about BigInt Calculator

### What is BigInt Calculator?

BigInt Calculator is a multi-threaded calculator that uses a table-based format, similar to a spreadsheet, for input and editing. It supports arbitrary-precision arithmetic, allowing you to work with very large numbers and complex expressions.

### What kind of calculations can BigInt Calculator handle?

It can handle basic arithmetic operations (+, -, ×, ÷), exponents (^), parentheses, decimals, negative numbers, and fractional powers. It correctly handles operator precedence and can work with numbers of any size.

### How does BigInt Calculator update calculations?

Calculations are updated automatically and in real-time as you edit your input. This means you get instant updates without needing to re-enter or confirm expressions.

### Does BigInt Calculator have ads?

No, BigInt Calculator is ad-free. It does not contain any advertisements, providing an uninterrupted user experience.

### What devices is BigInt Calculator available on?

BigInt Calculator offers universal support for iPhone, iPad, and Mac devices, allowing you to use it across your Apple ecosystem.

### How often is BigInt Calculator updated?

The app was last updated on March 6, 2026, indicating recent development. The current version is 4.0.

### What is the user rating for BigInt Calculator?

BigInt Calculator has a rating of 4.0 stars based on 2 user ratings. This suggests a generally positive reception from its users.

### Is BigInt Calculator suitable for students?

Yes, BigInt Calculator is well-suited for students. Its ability to handle complex expressions, large numbers, and provide step-by-step editing can be beneficial for homework and understanding mathematical concepts.

## Version history (last 5 releases)

### 4.2 — 2026-05-18

You can now rate BigInt right from inside the app. Your reviews help us become better.

### 4.1 — 2026-04-09

Added localization for most languages.

### 4.0 — 2026-03-06

App was renamed

### 3.0 — 2026-02-23

Version 3.0 brings a major performance and UX update:

Implemented GPU computation with Metal shaders for core arithmetic operations, so large expressions calculate faster.
Added a progress bar with completion percentage for long calculations.
Added calculation time display after completion.
Improved result accuracy and calculation stability for complex expressions and very large numbers.
Optimized exponentiation and removed some previous limitations.
Added Mac support.
Added copy buttons for both expression and result.
Improved expression input and handling of math symbols.
Minor UI improvements and technical fixes.

### 2.5.1 — 2024-10-24

Fixed small UI bugs

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## More apps by Viktor Pobedria

- [Green Night - Night Vision App](https://appshunter.io/ios/app/green-night-night-vision-app/id1616351140)
- [Pro Night — Night Vision App](https://appshunter.io/ios/app/pro-night-night-vision-app/id1638753363)
- [Asy](https://appshunter.io/ios/app/asy/id6446089817)
- [MilDict](https://appshunter.io/ios/app/mildict/id6502826965)
- [Smart Filter – AI photo editor](https://appshunter.io/ios/app/smart-filter-ai-photo-editor/id6780415985)

All apps by Viktor Pobedria: https://appshunter.io/developer/1610628750

## Related topics

[bigint calculator](https://appshunter.io/ios/topics/bigint-calculator) · [large numbers](https://appshunter.io/ios/topics/large-numbers)

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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 2026-08-20.*