# Sci vs Calculator%.

The clearest difference is ads: Sci at none against Calculator%.'s shown. Sci also leads on review sentiment (93% vs 61%) and rating (4.8 vs 4.4). On price, ratings volume, update cadence and in-app purchases there is nothing between them.

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

Sci holds the better App Store score, 4.8 against 4.4. Both are backed by a comparable volume of ratings — 3.9K and 4.2K respectively. Written reviews point the same way: 93% of Sci's written reviews are positive against 61% of Calculator%.'s.

Sci ships an update every 2 months, Calculator%. every 3 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Sci | Calculator%. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (3.9K ratings)](https://appshunter.io/ios/app/scipro-calculator/id684978583/reviews)** | [4.4 (4.2K ratings)](https://appshunter.io/ios/app/calculator/id980603448/reviews) |
| Number of ratings | 3.9K | **4.2K** |
| Positive reviews | **93.1% of reviews** | 61.2% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | **Free** | Ad-supported |
| Size | 70 MB | 11 MB |
| Requires iOS | **9.3** | 12.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jerry Montgomery](https://appshunter.io/developer/684978586) | [UniCom Technology](https://appshunter.io/developer/1270764210) |

## What reviewers say

### 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


### Calculator%.

[App page](https://appshunter.io/ios/app/calculator/id980603448)

This app offers a straightforward calculator with a large display and oversized buttons for easy operation. It's designed for everyday tasks, enabling users to perform fundamental arithmetic like addition, subtraction, multiplication, and division with clarity and convenience.

**Highlights:** Big display and buttons, Easy to use, Basic calculations, Clear display format, Intuitive design

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Convenient for large numbers
- 💡 Helpful for solving problems

**What reviewers complain about**

- 🐛 Occasional glitches and bugs
- 💸 Intrusive ads
- 🔍 Difficult to find settings/options

**Reported bugs**

- App crashes when adding certain numbers
- Buttons not responsive at times
- Incorrect calculations for some operations

**Requested features**

- History feature
- Customizable interface
- Improved accuracy for decimal calculations


## Frequently asked questions

### Is Sci free?

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

### Is Calculator%. free?

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

### Which has better reviews, Sci or Calculator%.?

Sci is rated higher. Sci averages 4.8 out of 5 from 3.9K ratings, while Calculator%. averages 4.4 from 4.2K ratings.

### Do Sci or Calculator%. have ads?

Calculator%. shows ads; Sci does not.

### Which is updated more often, Sci or Calculator%.?

Sci ships an update every 2 months, and Calculator%. every 3 months. Most recently, Sci was updated on October 23, 2026 and 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.*