# Calculator # vs Quadratic Formula Calculator

The clearest difference is ratings volume: Calculator # at 36K against Quadratic Formula Calculator's 71. Calculator # also leads on update cadence (every 2 months vs every 9 months) and iOS requirement (12.1 vs 15.0). Quadratic Formula Calculator's advantage is review sentiment (75% vs 60%). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Calculator # sells 6 in-app purchases, starting at $1.49 per month and Quadratic Formula Calculator sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.6 for Calculator # against 4.7 for Quadratic Formula Calculator. That said, the two scores are not equally well evidenced: Calculator # has 36K ratings behind it against 71, 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 75% of Quadratic Formula Calculator's.

Calculator # ships an update every 2 months, Quadratic Formula Calculator every 9 months. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Calculator # | Quadratic Formula Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (36K ratings)](https://appshunter.io/ios/app/calculator/id458535080/reviews) | **[4.7 (71 ratings)](https://appshunter.io/ios/app/quadratic-formula-calculator/id1425311468/reviews)** |
| Number of ratings | **36K** | 71 |
| Positive reviews | 59.5% of reviews | **75.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 2 months** | Every 9 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 57 MB | 3 MB |
| Requires iOS | **12.1** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Incpt.Mobis](https://appshunter.io/developer/445261166) | [Edward Prokopik](https://appshunter.io/developer/1077587110) |

## 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


### Quadratic Formula Calculator

[App page](https://appshunter.io/ios/app/quadratic-formula-calculator/id1425311468)

This app simplifies solving quadratic equations by allowing users to input coefficients a, b, and c. It quickly displays the solutions for x, including support for imaginary numbers. Users can also switch between light and dark themes for a personalized experience.

**Highlights:** Input coefficients a, b, and c, Displays solutions for x, Supports imaginary number solutions, Light and Dark modes

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Mode | $1.99 | one-time |


## Frequently asked questions

### Is Calculator # free?

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

### Is Quadratic Formula Calculator free?

Quadratic Formula Calculator is free to download, with in-app purchases available.

### Which has better reviews, Calculator # or Quadratic Formula Calculator?

Quadratic Formula Calculator is rated higher. Calculator # averages 4.6 out of 5 from 36K ratings, while Quadratic Formula Calculator averages 4.7 from 71 ratings.

### Do Calculator # or Quadratic Formula Calculator have ads?

Both Calculator # and Quadratic Formula Calculator show ads.

### Which is updated more often, Calculator # or Quadratic Formula Calculator?

Calculator # ships an update every 2 months, and Quadratic Formula Calculator every 9 months. Most recently, Calculator # was updated on October 30, 2026 and Quadratic Formula Calculator on October 24, 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.*