# Calculator Max vs Sci

The clearest difference is review sentiment: Sci at 93% against Calculator Max's 55%. Sci also leads on rating (4.8 vs 4.3) and in-app purchases (none vs 2). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Calculator Max sells 2 in-app purchases, starting at $4.99 per year. Sci asks for nothing beyond the download.

Sci holds the better App Store score, 4.8 against 4.3. Both are backed by a comparable volume of ratings — 1.8K and 3.6K respectively. Written reviews point the same way: 55% of Calculator Max's written reviews are positive against 93% of Sci's.

Both ship on a similar rhythm, roughly every 2 months. Both last shipped on October 19, 2026.

## The numbers

| Metric | Calculator Max | Sci |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (1.8K ratings)](https://appshunter.io/ios/app/calculator-max/id364905554/reviews) | **[4.8 (3.6K ratings)](https://appshunter.io/ios/app/scipro-calculator/id684978583/reviews)** |
| Number of ratings | 1.8K | **3.6K** |
| Positive reviews | 55.1% of reviews | **93.1% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 126 MB | 70 MB |
| Requires iOS | 15.0 | **9.3** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pavel Kozarek](https://appshunter.io/developer/303215376) | [Jerry Montgomery](https://appshunter.io/developer/684978586) |

## What reviewers say

### Calculator Max

[App page](https://appshunter.io/ios/app/calculator-max/id364905554)

This app offers a comprehensive suite of calculation tools, from basic arithmetic to advanced scientific functions. It features a history tape for easy access and reuse of entries, and a unique scribble pad for handwritten notes and equation solving on iPads. Enjoy a clean interface, multitasking support, and customizable themes.

**Highlights:** Basic and scientific calculators, History tape with export options, Handwritten notes and equation solving, Multitasking support on iPad, Customizable themes and app icons, Home Screen and Lock Screen widgets

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calculator Max Pro | $4.99 | per year |
| Calculator Max Pro | $3.99 | one-time |

**What reviewers like**

- 🚀 Easy to use
- 📝 Useful note-taking feature
- 💾 Tape/history feature
- 👍 Clean and intuitive interface
- 🎨 Customizable appearance

**What reviewers complain about**

- 🐛 Compatibility issues with newer iOS versions
- 📤 Lack of export/sharing options for tape/history
- 🔍 Difficulty finding settings
- 🔀 Sensitive orientation switching

**Reported bugs**

- Crashes after iOS 26 update
- Tape not visible/functional on iPhone
- Calculator buttons/layout issues in split-screen mode

**Requested features**

- Left-handed mode
- Backspace/edit functionality
- Scientific calculator mode with tape
- Tape annotation/labeling
- Cloud/Dropbox sync for tape


### Sci

[App page](https://appshunter.io/ios/app/scipro-calculator/id684978583)

This app offers a versatile calculator with three distinct modes: Basic, Scientific, and Programmer. It provides a history view, sharing capabilities, and supports various input and output formats. The app is designed for iPhone, iPad, and iPod Touch.

**Highlights:** Multi-mode calculator (Basic, Scientific, Programmer), Calculation history, Share results via email, Copy & paste values, Configurable display precision, Retina graphics

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Fast and responsive
- 👍 Clean and intuitive interface
- 🔒 No ads or in-app purchases
- 💡 Versatile with basic, scientific, and programming modes
- 👍 Useful for a variety of calculations

**What reviewers complain about**

- 🐛 Occasional bugs or glitches
- 🔍 Lack of split-screen support on iPad
- 🔍 Limited keyboard input support
- 🔍 Inconsistent behavior when switching between modes

**Reported bugs**

- Incorrect calculations for certain sequences of operations
- Memory issues when dealing with large numbers or exponents
- Compatibility problems with newer iOS versions

**Requested features**

- Ability to configure number of digits displayed
- Option to change display colors or themes
- Support for more advanced programming features
- Integration with other apps or services


## Frequently asked questions

### Is Calculator Max free?

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

### Is Sci free?

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

### Which has better reviews, Calculator Max or Sci?

Sci is rated higher. Calculator Max averages 4.3 out of 5 from 1.8K ratings, while Sci averages 4.8 from 3.6K ratings.

### Do Calculator Max or Sci have ads?

Neither Calculator Max nor Sci shows ads.

### Which is updated more often, Calculator Max or Sci?

Calculator Max ships an update every 2 months, and Sci every 2 months. Most recently, Calculator Max was updated on October 19, 2026 and Sci on October 19, 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.*