# Cuspart vs BigInt Calculator

The clearest difference is in-app purchases: BigInt Calculator at none against Cuspart's 4. BigInt Calculator also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 4 months). Cuspart's advantage is rating (5.0 vs 4.6) and iOS requirement (16.0 vs 18.0). On price and device support there is nothing between them.

Both are free to download. Cuspart sells 4 in-app purchases, starting at $0.99 per month. BigInt Calculator asks for nothing beyond the download.

Cuspart holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: BigInt Calculator has 5 ratings behind it against 1, so its average is the more settled of the two.

Cuspart ships an update every 4 months, BigInt Calculator every 3 weeks. The most recent releases landed on October 29, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Cuspart | BigInt Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cuspart-mycal/id1546543143/reviews)** | [4.6 (5 ratings)](https://appshunter.io/ios/app/bigint-calculator/id1610628748/reviews) |
| Number of ratings | 1 | **5** |
| Positive reviews | — | 57.1% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 13 MB | 2 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 12+ | 4+ |
| Developer | [Mustafa Tolga DALBUDAK](https://appshunter.io/developer/1479052908) | [Viktor Pobedria](https://appshunter.io/developer/1610628750) |

## What reviewers say

### Cuspart

[App page](https://appshunter.io/ios/app/cuspart-mycal/id1546543143)

This app offers a professional-grade calculator with advanced math functions, a constants library, and intuitive history tracking. Customize your experience with various color themes and an accessible interface designed for ease of use.

**Highlights:** Basic and advanced arithmetic, Roots, powers, and logarithms, Constants library (π, e), Operation history, Customizable color themes, Accessible UI design

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Subscription | $0.99 | per month |
| 3 Month Subscription | $2.99 | per 3 months |
| 12 Month Subscription | $9.99 | per year |
| myCal Pro | $2.99 | one-time |


### 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


## Frequently asked questions

### Is Cuspart free?

Cuspart is free to download, with in-app purchases available.

### Is BigInt Calculator free?

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

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

Cuspart is rated higher. Cuspart averages 5.0 out of 5 from 1 ratings, while BigInt Calculator averages 4.6 from 5 ratings.

### Do Cuspart or BigInt Calculator have ads?

Cuspart shows ads; BigInt Calculator does not.

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

Cuspart ships an update every 4 months, and BigInt Calculator every 3 weeks. Most recently, Cuspart was updated on October 29, 2026 and BigInt Calculator on October 21, 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.*