# Calculator # vs A Complex Calc

The clearest difference is in-app purchases: A Complex Calc at none against Calculator #'s 6. A Complex Calc also leads on ads (none vs shown) and review sentiment (80% vs 60%). Calculator #'s advantage is ratings volume (36K vs 24) and device support (3 vs 1). On price and rating there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.6 for Calculator # against 4.7 for A Complex Calc. That said, the two scores are not equally well evidenced: Calculator # has 36K ratings behind it against 24, 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 80% of A Complex Calc's.

Calculator # ships an update every 2 months, A Complex Calc every 4 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Calculator # | A Complex Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (36K ratings)](https://appshunter.io/ios/app/calculator/id458535080/reviews) | **[4.7 (24 ratings)](https://appshunter.io/ios/app/a-complex-calc/id1372571548/reviews)** |
| Number of ratings | **36K** | 24 |
| Positive reviews | 59.5% of reviews | **80.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 57 MB | 8 MB |
| Requires iOS | **12.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Incpt.Mobis](https://appshunter.io/developer/445261166) | [Antonio Ruffolo](https://appshunter.io/developer/1372571547) |

## 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


### A Complex Calc

[App page](https://appshunter.io/ios/app/a-complex-calc/id1372571548)

Perform complex calculations with a modern, user-friendly interface. Offers both basic and scientific modes, including support for complex numbers and advanced functions. This lightweight application provides a history of computations and is completely free with no advertisements.

**Highlights:** Complex number support, Basic and Scientific modes, History of operations, Trigonometric and hyperbolic functions, Random number generation, Lightweight app size

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

**In-app purchases:** none


## Frequently asked questions

### Is Calculator # free?

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

### Is A Complex Calc free?

A Complex Calc is free to download, with no in-app purchases.

### Which has better reviews, Calculator # or A Complex Calc?

A Complex Calc is rated higher. Calculator # averages 4.6 out of 5 from 36K ratings, while A Complex Calc averages 4.7 from 24 ratings.

### Do Calculator # or A Complex Calc have ads?

Calculator # shows ads; A Complex Calc does not.

### Which is updated more often, Calculator # or A Complex Calc?

Calculator # ships an update every 2 months, and A Complex Calc every 4 weeks. Most recently, Calculator # was updated on October 24, 2026 and A Complex Calc 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.*