# Calculator # vs Calculator Plus

The clearest difference is in-app purchases: Calculator Plus at none against Calculator #'s 6. Calculator Plus also leads on ads (none vs shown) and update cadence (every 2 days vs every 2 months). Calculator #'s advantage is ratings volume (36K vs 4). On price, device support and iOS requirement there is nothing between them.

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

Calculator Plus holds the better App Store score, 5.0 against 4.6. 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.

Calculator # ships an update every 2 months, Calculator Plus every 2 days. The most recent releases landed on October 3, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Calculator # | Calculator Plus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (36K ratings)](https://appshunter.io/ios/app/calculator/id458535080/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/calculator-plus-math-solver/id1619759518/reviews)** |
| Number of ratings | **36K** | 4 |
| Positive reviews | 59.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 57 MB | 46 MB |
| Requires iOS | 12.1 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Incpt.Mobis](https://appshunter.io/developer/445261166) | [BEFUN AI TECH. PTE. LTD.](https://appshunter.io/developer/1746851897) |

## 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


### Calculator Plus

[App page](https://appshunter.io/ios/app/calculator-plus-math-solver/id1619759518)

Solve complex math problems by simply taking a photo. Get detailed step-by-step solutions for a wide range of mathematical operations, from basic arithmetic to calculus. Supports multiple languages and offers an ad-free experience.

**Highlights:** Solve math problems by taking photos, Detailed solving steps provided, Supports 12 significant digits, Wide range of mathematical operations, Calculus, derivatives, and integrals, Convert repeating decimals to fractions, Supports multiple languages

**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 Calculator Plus free?

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

### Which has better reviews, Calculator # or Calculator Plus?

Calculator Plus is rated higher. Calculator # averages 4.6 out of 5 from 36K ratings, while Calculator Plus averages 5.0 from 4 ratings.

### Do Calculator # or Calculator Plus have ads?

Calculator # shows ads; Calculator Plus does not.

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

Calculator # ships an update every 2 months, and Calculator Plus every 2 days. Most recently, Calculator # was updated on October 3, 2026 and Calculator Plus on September 29, 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.*