# U Scientific calculator vs Shadow Computer

The clearest difference is rating: Shadow Computer at 5.0 against U Scientific calculator's 4.3. Shadow Computer also leads on ads (none vs shown) and monetization model (free vs ad-supported). U Scientific calculator's advantage is ratings volume (19 vs 1). On price, update cadence, in-app purchases and device support there is nothing between them.

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

Shadow Computer holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: U Scientific calculator has 19 ratings behind it against 1, so its average is the more settled of the two.

U Scientific calculator ships an update every 2 months, Shadow Computer every 4 months. The most recent releases landed on October 24, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | U Scientific calculator | Shadow Computer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (19 ratings)](https://appshunter.io/ios/app/u-scientific-calculator/id1306866689/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/shadow-computer/id1333097594/reviews)** |
| Number of ratings | **19** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Ad-supported | **Free** |
| Size | 5 MB | 17 MB |
| Requires iOS | 13.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [EONSOFT](https://appshunter.io/developer/899851112) | [CMH S.r.l.](https://appshunter.io/developer/1252564624) |

## What reviewers say

### U Scientific calculator

[App page](https://appshunter.io/ios/app/u-scientific-calculator/id1306866689)

This app functions as a scientific and engineering calculator, suitable for students, scientists, and professionals. It handles basic math, trigonometric functions, logarithms, exponents, and more, with the ability to edit past calculations.

**Highlights:** Scientific calculations, Engineering calculations, Trigonometric functions, Logarithm calculations, Exponent calculations, History editing

**In-app purchases:** none


### 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 U Scientific calculator free?

U Scientific calculator is free to download, with no in-app purchases.

### Is Shadow Computer free?

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

### Which has better reviews, U Scientific calculator or Shadow Computer?

Shadow Computer is rated higher. U Scientific calculator averages 4.3 out of 5 from 19 ratings, while Shadow Computer averages 5.0 from 1 ratings.

### Do U Scientific calculator or Shadow Computer have ads?

U Scientific calculator shows ads; Shadow Computer does not.

### Which is updated more often, U Scientific calculator or Shadow Computer?

U Scientific calculator ships an update every 2 months, and Shadow Computer every 4 months. Most recently, U Scientific calculator was updated on October 24, 2026 and Shadow Computer on November 2, 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.*