# BigInt Calculator vs Constructive Calculator

The clearest difference is rating: Constructive Calculator at 5.0 against BigInt Calculator's 4.5. Constructive Calculator also leads on update cadence (every 8 days vs every 3 weeks) and iOS requirement (16.0 vs 18.0). BigInt Calculator's advantage is ratings volume (4 vs 1) and device support (3 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Constructive Calculator holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

BigInt Calculator ships an update every 3 weeks, Constructive Calculator every 8 days. The most recent releases landed on October 4, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | BigInt Calculator | Constructive Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (4 ratings)](https://appshunter.io/ios/app/bigint-calculator/id1610628748/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/constructive-calculator/id6778157421/reviews)** |
| Number of ratings | **4** | 1 |
| Positive reviews | 57.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 8 days** |
| Monetization | Free | Free |
| Size | 2 MB | 1 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Viktor Pobedria](https://appshunter.io/developer/1610628750) | [Dmitriy Mayorov](https://appshunter.io/developer/6778157423) |

## What reviewers say

### BigInt Calculator

[App page](https://appshunter.io/ios/app/bigint-calculator/id1610628748)

This app offers a fast, multi-threaded calculator with a spreadsheet-like interface for easy editing and instant updates. It handles large numbers and complex expressions with arbitrary-precision arithmetic, making it suitable for various real-world calculations.

**Highlights:** 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

**Features:** Vision Pro support

**In-app purchases:** none


### Constructive Calculator

[App page](https://appshunter.io/ios/app/constructive-calculator/id6778157421)

This calculator performs calculations with arbitrary precision, avoiding rounding errors common in standard calculators. It provides an extensive scientific keypad and can display an unlimited number of digits for exact results.

**Highlights:** Arbitrary-precision calculations, Unlimited digit display, Scientific keypad, Exact results for large numbers, Running tape of calculations, Locale-aware digit grouping

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BigInt Calculator free?

BigInt Calculator is free to download, with no in-app purchases.

### Is Constructive Calculator free?

Constructive Calculator is free to download, with no in-app purchases.

### Which has better reviews, BigInt Calculator or Constructive Calculator?

Constructive Calculator is rated higher. BigInt Calculator averages 4.5 out of 5 from 4 ratings, while Constructive Calculator averages 5.0 from 1 ratings.

### Do BigInt Calculator or Constructive Calculator have ads?

Neither BigInt Calculator nor Constructive Calculator shows ads.

### Which is updated more often, BigInt Calculator or Constructive Calculator?

BigInt Calculator ships an update every 3 weeks, and Constructive Calculator every 8 days. Most recently, BigInt Calculator was updated on October 4, 2026 and Constructive Calculator on October 5, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*