# Calculator # vs BigInt Calculator

The clearest difference is in-app purchases: BigInt Calculator at none against Calculator #'s 6. BigInt Calculator also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 2 months). Calculator #'s advantage is ratings volume (36K vs 4) and review sentiment (60% vs 40%). On price, rating and device support there is nothing between them.

Both are free to download. Calculator # sells 6 in-app purchases, starting at $1.49 per month. BigInt Calculator asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.6 for Calculator # against 4.5 for BigInt Calculator. That said, the two scores are not equally well evidenced: Calculator # has 36K ratings behind it against 4, so its average is the more settled of the two. Written reviews are what separate them: 60% of Calculator #'s written reviews are positive against 40% of BigInt Calculator's.

Calculator # ships an update every 2 months, BigInt Calculator every 3 weeks. The most recent releases landed on September 27, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Calculator # | BigInt Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (36K ratings)](https://appshunter.io/ios/app/calculator/id458535080/reviews)** | [4.5 (4 ratings)](https://appshunter.io/ios/app/bigint-calculator/id1610628748/reviews) |
| Number of ratings | **36K** | 4 |
| Positive reviews | **60.0% of reviews** | 40.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 57 MB | 2 MB |
| Requires iOS | **12.1** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Incpt.Mobis](https://appshunter.io/developer/445261166) | [Viktor Pobedria](https://appshunter.io/developer/1610628750) |

## What reviewers say

### Calculator #

[App page](https://appshunter.io/ios/app/calculator/id458535080)

This multi-function calculator offers basic to advanced scientific and algebraic computations. It includes features like handwriting recognition, equation solvers, and 2D graphing, making it suitable for students and professionals. In-app purchases unlock advanced capabilities.

**Highlights:** Math Photos Solver, Handwriting Recognition, AI Math Problem Solver, Mathematical Display, Equation Solvers, 2D Graphing, Algebraic Functions

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Upgrade 1 Month | $1.49 | per month |
| PRO Upgrade 3 Months | $2.99 | per 3 months |
| PRO + Recognition 1 Month | $4.99 | per month |
| PRO + Recognition 3 Months | $11.99 | per 3 months |
| 250 AI Recognition & Queries | $0.99 | one-time |
| 600 AI Recognition & Queries | $1.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Powerful functionality
- 💡 Helpful for math classes
- ⭐ Great for students
- 👌 Works like a real calculator

**What reviewers complain about**

- 🔍 Confusing interface after update
- 📢 Too many intrusive ads
- 💰 Paywall for advanced features
- 🐛 Incorrect calculations
- 🔇 Loud audio ads

**Reported bugs**

- Crashes when trying to use certain functions
- Handwriting recognition not working reliably
- Inability to input negative numbers

**Requested features**

- Add option to turn off animation
- Improve ad placement to avoid obstructing usage
- Provide more transparency on paid features


### 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 Calculator # free?

Calculator # 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, Calculator # or BigInt Calculator?

Calculator # is rated higher. Calculator # averages 4.6 out of 5 from 36K ratings, while BigInt Calculator averages 4.5 from 4 ratings.

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

Calculator # shows ads; BigInt Calculator does not.

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

Calculator # ships an update every 2 months, and BigInt Calculator every 3 weeks. Most recently, Calculator # was updated on September 27, 2026 and BigInt Calculator on September 23, 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.*