# Scientific Calc vs Objective Calculator

The clearest difference is price: Objective Calculator at Free against Scientific Calc's $1.99. Objective Calculator also leads on rating (4.7 vs 3.7) and review sentiment (87% vs 50%). Scientific Calc's advantage is in-app purchases (none vs 1). On ads and device support there is nothing between them.

Objective Calculator is free to download; Scientific Calc costs $1.99 up front. Objective Calculator sells 1 one-off in-app purchase. Scientific Calc asks for nothing beyond the download.

Objective Calculator holds the better App Store score, 4.7 against 3.7. That said, the two scores are not equally well evidenced: Objective Calculator has 19 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 50% of Scientific Calc's written reviews are positive against 87% of Objective Calculator's.

Scientific Calc ships an update every 5 months, Objective Calculator every 3 weeks. The most recent releases landed on October 16, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Scientific Calc | Objective Calculator |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/scientific-calc/id456710555/reviews) | **[4.7 (19 ratings)](https://appshunter.io/ios/app/objective-calculator/id1287000522/reviews)** |
| Number of ratings | 3 | **19** |
| Positive reviews | 50.0% of reviews | **86.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 15 MB | 10 MB |
| Requires iOS | 26.0 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hannes Sverrisson](https://appshunter.io/developer/428851947) | [Thiago Anderson Martins](https://appshunter.io/developer/1287000521) |

## What reviewers say

### Scientific Calc

[App page](https://appshunter.io/ios/app/scientific-calc/id456710555)

This utility app provides advanced scientific calculation functions with an intuitive interface. It offers easy access to functions via swiping and large, uncluttered buttons for faster, more reliable calculations. Customize your experience with background options and enjoy extended accuracy for complex computations.

**Highlights:** Swipe-based access to scientific functions, Large, uncluttered buttons, Backspace key for corrections, Copy and paste functionality, Customizable background and display, Extended accuracy calculations

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

**In-app purchases:** none


### Objective Calculator

[App page](https://appshunter.io/ios/app/objective-calculator/id1287000522)

This versatile calculator app offers a unique tabbed interface for managing multiple calculations simultaneously. It includes a scientific calculator, currency converter, and drawing/annotation capabilities for notes and reminders. Optimized for modern iOS devices, it provides real-time results and advanced history features.

**Highlights:** Tabbed interface for multiple calculations, Scientific calculator functions, Drawing and annotation notes, Real-time problem solving, Currency converter with 33 currencies, Advanced history management, Color themes and dark/light mode

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Objective Calculator Pro | $1.99 | one-time |


## Frequently asked questions

### Is Scientific Calc free?

Scientific Calc costs $1.99, with no in-app purchases.

### Is Objective Calculator free?

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

### Which has better reviews, Scientific Calc or Objective Calculator?

Objective Calculator is rated higher. Scientific Calc averages 3.7 out of 5 from 3 ratings, while Objective Calculator averages 4.7 from 19 ratings.

### Do Scientific Calc or Objective Calculator have ads?

Neither Scientific Calc nor Objective Calculator shows ads.

### Which is updated more often, Scientific Calc or Objective Calculator?

Scientific Calc ships an update every 5 months, and Objective Calculator every 3 weeks. Most recently, Scientific Calc was updated on October 16, 2026 and Objective Calculator on October 17, 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.*