# Math is Easy vs Big Number Calculator+

Math is Easy and Big Number Calculator+ both sit at 3.5 stars, but that hides the real split: 91% of Math is Easy's written reviews are positive against 0% of Big Number Calculator+'s. Math is Easy also leads on update cadence (every 2 months vs every 4 months) and iOS requirement (7.0 vs 15.0). On price, rating, ratings volume and ads there is nothing between them.

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

Big Number Calculator+ holds the better App Store score, 3.7 against 3.5. Both are backed by a comparable volume of ratings — 2 and 3 respectively. Written reviews complicate that: 91% of Math is Easy's written reviews are positive against 0% of Big Number Calculator+'s, so the app with the better star average is not the one people write more warmly about.

Math is Easy ships an update every 2 months, Big Number Calculator+ every 4 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Math is Easy | Big Number Calculator+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (2 ratings)](https://appshunter.io/ios/app/math-is-easy-prime/id488574860/reviews) | **[3.7 (3 ratings)](https://appshunter.io/ios/app/big-number-calculator-plus/id1541255205/reviews)** |
| Number of ratings | 2 | **3** |
| Positive reviews | **90.9% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free | Free |
| Size | 6 MB | 19 MB |
| Requires iOS | **7.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Xiaodong Zhu](https://appshunter.io/developer/414505553) | [Kunio Takeuchi](https://appshunter.io/developer/851499887) |

## What reviewers say

### Math is Easy

[App page](https://appshunter.io/ios/app/math-is-easy-prime/id488574860)

This app helps users understand prime factorization with a fast, real-time solver. It also calculates the Greatest Common Factor and Least Common Multiple, and can generate random numbers for various uses.

**Highlights:** Prime factorization solver, Greatest Common Factor (GCF) calculation, Least Common Multiple (LCM) calculation, Random number generator, Real-time results as you type

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

**In-app purchases:** none


### Big Number Calculator+

[App page](https://appshunter.io/ios/app/big-number-calculator-plus/id1541255205)

Perform calculations with extremely large numbers, up to 66,000 digits. Supports addition, subtraction, multiplication, and division, with options for different calculation engines and data input methods. Results can be saved and printed in formatted text files.

**Highlights:** Handles up to 66,000 digits, Addition, subtraction, multiplication, division, Selectable calculation engines (Swift, Objective-C), Load data from files (txt, rtf, rtfd), Automatic data formatting for printing and saving, Customizable number separators

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Math is Easy free?

Math is Easy is free to download, with no in-app purchases.

### Is Big Number Calculator+ free?

Big Number Calculator+ is free to download, with no in-app purchases.

### Which has better reviews, Math is Easy or Big Number Calculator+?

Big Number Calculator+ is rated higher. Math is Easy averages 3.5 out of 5 from 2 ratings, while Big Number Calculator+ averages 3.7 from 3 ratings.

### Do Math is Easy or Big Number Calculator+ have ads?

Neither Math is Easy nor Big Number Calculator+ shows ads.

### Which is updated more often, Math is Easy or Big Number Calculator+?

Math is Easy ships an update every 2 months, and Big Number Calculator+ every 4 months. Most recently, Math is Easy was updated on October 23, 2026 and Big Number Calculator+ on October 24, 2026.

---

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