# Omega Calculator vs FP Scientific&Basic Calculator

The clearest difference is in-app purchases: FP Scientific&Basic Calculator at none against Omega Calculator's 1. FP Scientific&Basic Calculator also leads on update cadence (every 2 weeks vs every 2 months) and ratings volume (655 vs 44). Omega Calculator's advantage is review sentiment (83% vs 69%). On price, rating, ads and device support there is nothing between them.

Both are free to download. Omega Calculator sells 1 one-off in-app purchase. FP Scientific&Basic Calculator asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for Omega Calculator against 4.6 for FP Scientific&Basic Calculator. That said, the two scores are not equally well evidenced: FP Scientific&Basic Calculator has 655 ratings behind it against 44, so its average is the more settled of the two. Written reviews are what separate them: 83% of Omega Calculator's written reviews are positive against 69% of FP Scientific&Basic Calculator's.

Omega Calculator ships an update every 2 months, FP Scientific&Basic Calculator every 2 weeks. The most recent releases landed on October 23, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Omega Calculator | FP Scientific&Basic Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (44 ratings)](https://appshunter.io/ios/app/omega-calculator/id1528068503/reviews)** | [4.6 (655 ratings)](https://appshunter.io/ios/app/fp-scientific-and-basic-calculator/id1556021625/reviews) |
| Number of ratings | 44 | **655** |
| Positive reviews | **83.3% of reviews** | 68.9% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 9 MB | 92 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Joseph Rupertus](https://appshunter.io/developer/1610637143) | [Ofly Tech Co., Ltd.](https://appshunter.io/developer/1556021627) |

## What reviewers say

### 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 |


### FP Scientific&Basic Calculator

[App page](https://appshunter.io/ios/app/fp-scientific-and-basic-calculator/id1556021625)

This app offers a versatile calculator with basic arithmetic, currency, and unit conversion capabilities. It features customizable interfaces, including dark mode, and supports split-screen functionality on iPads. Users can also track calculation history and split bills.

**Highlights:** Basic and arithmetic calculations, Currency conversion (160 currencies), Unit conversion (10 units), Dark and light mode, Split-screen computing, Calculation history, Bill splitting

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

**In-app purchases:** none

**What reviewers like**

- 👍 Excellent app
- 👍 Great calculator
- 👍 User-friendly interface
- 👍 Comprehensive features
- 👍 Convenient currency converter

**What reviewers complain about**

- 🐛 Frozen currency exchange rates
- 🔍 Excessive ads and pop-ups
- ⏱️ Slow app startup
- 🔒 Lack of ad-free purchase option

**Reported bugs**

- Currency converter not working
- Crashes and freezes
- Incompatibility with older devices

**Requested features**

- Add tax calculation feature
- Implement widget support
- Provide more Christmas themes
- Fix currency converter issues


## Frequently asked questions

### Is Omega Calculator free?

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

### Is FP Scientific&Basic Calculator free?

FP Scientific&Basic Calculator is free to download, with no in-app purchases.

### Which has better reviews, Omega Calculator or FP Scientific&Basic Calculator?

Omega Calculator is rated higher. Omega Calculator averages 4.7 out of 5 from 44 ratings, while FP Scientific&Basic Calculator averages 4.6 from 655 ratings.

### Do Omega Calculator or FP Scientific&Basic Calculator have ads?

Neither Omega Calculator nor FP Scientific&Basic Calculator shows ads.

### Which is updated more often, Omega Calculator or FP Scientific&Basic Calculator?

Omega Calculator ships an update every 2 months, and FP Scientific&Basic Calculator every 2 weeks. Most recently, Omega Calculator was updated on October 23, 2026 and FP Scientific&Basic Calculator on October 22, 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.*