# Objective Calculator vs Omega Calculator

The clearest difference is update cadence: Objective Calculator at every 3 weeks against Omega Calculator's every 2 months. Objective Calculator also leads on iOS requirement (11.0 vs 15.0). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Objective Calculator sells 1 one-off in-app purchase and Omega Calculator sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for Objective Calculator against 4.7 for Omega Calculator. Both are backed by a comparable volume of ratings — 20 and 42 respectively. Written reviews are what separate them: 87% of Objective Calculator's written reviews are positive against 83% of Omega Calculator's.

Objective Calculator ships an update every 3 weeks, Omega Calculator every 2 months. The most recent releases landed on October 21, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Objective Calculator | Omega Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (20 ratings)](https://appshunter.io/ios/app/objective-calculator/id1287000522/reviews)** | [4.7 (42 ratings)](https://appshunter.io/ios/app/omega-calculator/id1528068503/reviews) |
| Number of ratings | 20 | **42** |
| Positive reviews | **86.7% of reviews** | 83.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 10 MB | 9 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thiago Anderson Martins](https://appshunter.io/developer/1287000521) | [Joseph Rupertus](https://appshunter.io/developer/1610637143) |

## What reviewers say

### 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 |


### Omega Calculator

[App page](https://appshunter.io/ios/app/omega-calculator/id1528068503)

A beautiful and intuitive calculator app for iPhone and iPad, offering both basic arithmetic and advanced scientific functions. It features a smooth, fluid interface with large, colorful buttons and high-quality mathematical typesetting. Results are saved to a history tape and synced across devices, with customizable themes available.

**Highlights:** Basic and scientific calculation modes, Intuitive and fluid interface, High-quality mathematical typesetting, History tape for saved calculations, Customizable themes, Advanced functions (Pro version)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Omega Pro | $6.99 | one-time |


## Frequently asked questions

### Is Objective Calculator free?

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

### Is Omega Calculator free?

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

### Which has better reviews, Objective Calculator or Omega Calculator?

Objective Calculator is rated higher. Objective Calculator averages 4.7 out of 5 from 20 ratings, while Omega Calculator averages 4.7 from 42 ratings.

### Do Objective Calculator or Omega Calculator have ads?

Neither Objective Calculator nor Omega Calculator shows ads.

### Which is updated more often, Objective Calculator or Omega Calculator?

Objective Calculator ships an update every 3 weeks, and Omega Calculator every 2 months. Most recently, Objective Calculator was updated on October 21, 2026 and Omega Calculator on October 15, 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.*