# Basic Calculator vs Shadow Computer

The clearest difference is in-app purchases: Shadow Computer at none against Basic Calculator's 1. Shadow Computer also leads on ads (none vs shown) and rating (5.0 vs 4.8). Basic Calculator's advantage is ratings volume (3.2K vs 1). On price, update cadence and device support there is nothing between them.

Both are free to download. Basic Calculator sells 1 one-off in-app purchase. Shadow Computer asks for nothing beyond the download.

Shadow Computer holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Basic Calculator has 3.2K ratings behind it against 1, so its average is the more settled of the two.

Basic Calculator ships an update every 2 months, Shadow Computer every 4 months. The most recent releases landed on October 11, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Basic Calculator | Shadow Computer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (3.2K ratings)](https://appshunter.io/ios/app/basic-calculator-classic-calc/id430271248/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/shadow-computer/id1333097594/reviews)** |
| Number of ratings | **3.2K** | 1 |
| Positive reviews | 74.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 100 MB | 17 MB |
| Requires iOS | 15.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +4 | 4+ |
| Developer | [MobArts](https://appshunter.io/developer/429185872) | [CMH S.r.l.](https://appshunter.io/developer/1252564624) |

## What reviewers say

### Basic Calculator

[App page](https://appshunter.io/ios/app/basic-calculator-classic-calc/id430271248)

A free, classic calculator app with large, easy-to-press buttons and customizable skins. It supports basic arithmetic, memory functions, and can handle very large numbers without using scientific notation. Multitasking is also supported on compatible devices.

**Highlights:** Large, easy-to-press buttons, Multiple beautiful skins, Basic arithmetic operations, Standard memory functions, Supports large numbers (up to 60 digits), Multitasking support (Split View, Slide Over)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Banner Ad Removal | $0.99 | one-time |

**What reviewers like**

- 👍 Simple and easy to use
- 💡 Useful copy and paste functions
- 👍 Clear and large display
- 👍 Variety of skins/themes
- 👍 Responsive and fast

**What reviewers complain about**

- 🐛 Compatibility issues with iOS updates
- 🐛 Inaccurate calculations with larger numbers
- 🔋 Slow load times
- 🔍 Intrusive ads

**Reported bugs**

- Crashes or freezes after iOS updates
- Percent key not functioning correctly

**Requested features**

- Reinstate iPhone version
- Add scientific calculator functions
- Improve memory retention


### Shadow Computer

[App page](https://appshunter.io/ios/app/shadow-computer/id1333097594)

Browse a product catalog, receive personalized promotions, and track order status. Stay updated on company news and events with this mobile application.

**Highlights:** Browse product catalog, Receive personalized promotions, Monitor order status, Get news and event updates

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Basic Calculator free?

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

### Is Shadow Computer free?

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

### Which has better reviews, Basic Calculator or Shadow Computer?

Shadow Computer is rated higher. Basic Calculator averages 4.8 out of 5 from 3.2K ratings, while Shadow Computer averages 5.0 from 1 ratings.

### Do Basic Calculator or Shadow Computer have ads?

Basic Calculator shows ads; Shadow Computer does not.

### Which is updated more often, Basic Calculator or Shadow Computer?

Basic Calculator ships an update every 2 months, and Shadow Computer every 4 months. Most recently, Basic Calculator was updated on October 11, 2026 and Shadow Computer on October 1, 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.*