# U Scientific calculator vs Calculator

The clearest difference is review sentiment: Calculator at 70% against U Scientific calculator's 0%. Calculator also leads on rating (4.6 vs 4.3) and ratings volume (207 vs 19). U Scientific calculator's advantage is in-app purchases (none vs 4). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Calculator sells 4 in-app purchases, starting at $2.49 per month. U Scientific calculator asks for nothing beyond the download.

Calculator holds the better App Store score, 4.6 against 4.3. That said, the two scores are not equally well evidenced: Calculator has 207 ratings behind it against 19, so its average is the more settled of the two. Written reviews point the same way: 0% of U Scientific calculator's written reviews are positive against 70% of Calculator's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | U Scientific calculator | Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (19 ratings)](https://appshunter.io/ios/app/u-scientific-calculator/id1306866689/reviews) | **[4.6 (207 ratings)](https://appshunter.io/ios/app/calculator-basic-and-scientific/id1521827072/reviews)** |
| Number of ratings | 19 | **207** |
| Positive reviews | 0.0% of reviews | **70.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | **Ad-supported** | Freemium |
| Size | 5 MB | 36 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [EONSOFT](https://appshunter.io/developer/899851112) | [Wuhan Ananta Technology Co., Ltd.](https://appshunter.io/developer/1508854889) |

## What reviewers say

### U Scientific calculator

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

This utility app functions as a scientific and engineering calculator. It handles basic math, trigonometric functions, logarithms, exponents, and more. Users can easily edit past calculations and access constants like pi and Euler's number.

**Highlights:** Scientific calculations, Engineering calculations, Trigonometric functions, Logarithms and exponents, Constant values (pi, Euler), Calculation history editing

**Features:** iPhone Duo support

**In-app purchases:** none


### Calculator

[App page](https://appshunter.io/ios/app/calculator-basic-and-scientific/id1521827072)

This app combines basic, scientific, currency, and unit conversion tools into a single, powerful calculator. It offers features like history records, number speech, and seamless result inheritance across different calculator types for an efficient workflow.

**Highlights:** Basic and scientific calculations, Currency converter with 150+ currencies, Units converter for various measurements, History records with save, copy, and paste, Number speech for input accuracy, Seamless result inheritance across calculators, Offline usage and customizable themes

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Membership - 1 Month | $2.49 | per month |
| Premium Monthly Pro | $2.49 | per month |
| Premium Membership - 1 Week | $2.49 | per 7 days |
| Premium Membership - 1 Year | $26.99 | per year |


## Frequently asked questions

### Is U Scientific calculator free?

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

### Is Calculator free?

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

### Which has better reviews, U Scientific calculator or Calculator?

Calculator is rated higher. U Scientific calculator averages 4.3 out of 5 from 19 ratings, while Calculator averages 4.6 from 207 ratings.

### Do U Scientific calculator or Calculator have ads?

Both U Scientific calculator and Calculator show ads.

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

U Scientific calculator ships an update every 2 months, and Calculator every 2 months. Most recently, U Scientific calculator was updated on November 6, 2026 and Calculator on November 7, 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.*