Objective Calculator vs Omega Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Objective Calculator
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.
- 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
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Regular Calculator with Tabs, Notepad, Scientific Calculator and Currency Converter! Objective Calculator was made for you! From simple calculations, like the total price of a purchase, to advanced trigonometric functions, it can handle it all! This is the only calculator app with tabs, and everyone loves it! You can calculate several different things at the same time, or break down a single problem without losing any number. You can even give a title to your tabs, so you can easily find it later. Objective Calculator is the only calculator app with the ability of taking drawing notes! Use your Apple Pencil or finger to record reminders or important informations about your calculations. The best iOS technologies are implemented in this app, like 3D Touch, Drag and Drop, Haptic Feedback, Apple Pencil support and more. Get the most out of your latest device! Features: • Real-time Problem Solving - no need for an “equals” button. Objective Calculator gives the result as you type • Tabs - innovative and useful for everyone • Drawings - Add drawings to your tabs as notes or reminders! Supports Apple Pencil! • Currency Converter - 33 currencies available • Annotations - give titles to your tabs, you can even use emojis! • Advanced History - search, reuse, edit, drag, email or delete history items • Color Themes - several beautiful color themes available • Real-time Editing - easily replace numbers, operators or functions • Normal Mode - hide all scientific buttons if you don’t use them • Complete Portrait - have access to all buttons, even on portrait mode • Multitasking - Slide Over and Split View for iPad • Drag and Drop - available for iPad and iPhone • 3D Touch - useful quick actions on supported devices • External Keyboard Support - over 30 keyboard shortcuts • Dark and Light Mode - the whole interface adjusts to your current color theme • Fast App Launch - the app launches very quickly, even on older devices • Great Performance - it responds to every interaction without annoying lags • Very easy to use • Beautiful, modern and clean interface, without advertisements
Omega Calculator
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.
- Basic and scientific calculation modes
- Intuitive and fluid interface
- High-quality mathematical typesetting
- History tape for saved calculations
- Customizable themes
- Advanced functions (Pro version)
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Welcome to Omega Calculator, a beautiful and intuitive calculator for your iPhone and iPad. It’s both familiar and powerful. A full-blown scientific calculator when you need it, and a simple arithmetic device when you don’t. A myriad of capabilities to suit your needs, from trivial computations to advanced mathematical functions. Perfect for students and professionals alike, or anyone in need of a high-quality, visually-pleasing calculator, capable of performing any mathematical task you throw its way. Simplicity meets elegance in the app’s intuitive design. The interface is smooth, fluid, and fun. Buttons are large and colorful, arranged to maximize efficiency and ease of use. The whole expression appears on one line as you input it, and then together with the result when you press enter. Characters are given high-quality mathematical typesetting. You can type in crazy long expressions and it’s a breeze. Results are saved to a history tape for future use, synced to all your devices. And you have the freedom to customize your calculator with different themes. We’re committed to providing an ad-free experience for everyone. No one wants to be interrupted by irrelevant ads while trying to use their calculator. That’s why Omega has no outside advertisements. We also don’t collect any data from users. Your calculations and any other information are kept on your device only. Unlock even more features with Omega Pro. Available as a single in-app purchase. All 30+ themes, an interactive text pointer for editing the input line, and saving and exporting your past calculations. Variables for storing and recalling values, plugging numbers into expressions, graphing functions, and more advanced operations like summation, derivatives, and integrals. It’s time to get the best calculator experience. Download Omega Calculator today.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Objective Calculator | Omega Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (20 ratings) — better | 4.7 (42 ratings) |
| Positive reviews | 86.7% of reviews — better | 83.3% of reviews |
| Number of ratings | 20 | 42 — better |
| Update frequency | Every 3 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 10 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Thiago Anderson Martins | Joseph Rupertus |
Customer experience
Objective Calculator
Omega Calculator
In-app purchases
Objective Calculator
- Objective Calculator Pro$1.99
Omega Calculator
- Omega Pro$6.99
Questions
Is Objective Calculator free?
Is Omega Calculator free?
Which has better reviews, Objective Calculator or Omega Calculator?
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