# Omega Calculator vs Calculator +ㅤ

The clearest difference is monetization model: Omega Calculator at free with in-app purchases against Calculator +ㅤ's subscription. Omega Calculator also leads on review sentiment (83% vs 46%) and ads (none vs shown). Calculator +ㅤ's advantage is ratings volume (4.5K vs 42) and update cadence (fortnightly vs every 2 months). On price, rating, in-app purchases and device support there is nothing between them.

Both are free to download. Omega Calculator sells 1 one-off in-app purchase and Calculator +ㅤ sells 6 in-app purchases, starting at $2.99 per 7 days. 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 Omega Calculator against 4.6 for Calculator +ㅤ. That said, the two scores are not equally well evidenced: Calculator +ㅤ has 4.5K ratings behind it against 42, 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 46% of Calculator +ㅤ's.

Omega Calculator ships an update every 2 months, Calculator +ㅤ fortnightly. The most recent releases landed on July 6, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Omega Calculator | Calculator +ㅤ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (42 ratings)](https://appshunter.io/ios/app/omega-calculator/id1528068503/reviews)** | [4.6 (4.5K ratings)](https://appshunter.io/ios/app/calculator-plus/id1597933199/reviews) |
| Number of ratings | 42 | **4.5K** |
| Positive reviews | **83.3% of reviews** | 45.9% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 9 MB | 55 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Joseph Rupertus](https://appshunter.io/developer/1610637143) | [Rocket Apps GmbH](https://appshunter.io/developer/1566586717) |

## 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 |


### Calculator +ㅤ

[App page](https://appshunter.io/ios/app/calculator-plus/id1597933199)

This app simplifies math with basic, scientific, and fraction calculations. It also features a unique snap-and-scribble function to solve problems from photos. Customize your experience with themes and access a calculation history.

**Highlights:** Snap and Scribble Calculator, Basic Calculator, Scientific Calculator, Fraction Calculator, Currency Converter, Calculation History, Customizable Themes

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rocket Apps PRO Weekly | $2.99 | per 7 days |
| Rocket Apps PRO Monthly | $4.99 | per month |
| Rocket Apps PRO Yearly | $9.99 | per year |
| Rocket Apps PRO Offer | $19.99 | per year |
| Rocket Apps PRO Yearly | $19.99 | per year |
| Rocket Apps PRO Yearly | $29.99 | per year |

**What reviewers like**

- 👍 Easy to use
- 🚀 Accurate calculations
- 🎨 Excellent visuals
- 💡 Helpful for academic work

**What reviewers complain about**

- 💰 Subscription model too expensive
- 🔍 Decimal entry quirks
- 📺 Too many ads
- 🔒 Locked features behind paywall

**Reported bugs**

- Inaccurate square root calculations
- Compatibility issues on iPad
- Decimal point not recognized

**Requested features**

- Negative number support
- Improved fraction calculator
- Scientific calculator layout
- Option to disable history feature


## Frequently asked questions

### Is Omega Calculator free?

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

### Is Calculator +ㅤ free?

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

### Which has better reviews, Omega Calculator or Calculator +ㅤ?

Omega Calculator is rated higher. Omega Calculator averages 4.7 out of 5 from 42 ratings, while Calculator +ㅤ averages 4.6 from 4.5K ratings.

### Do Omega Calculator or Calculator +ㅤ have ads?

Calculator +ㅤ shows ads; Omega Calculator does not.

### Which is updated more often, Omega Calculator or Calculator +ㅤ?

Omega Calculator ships an update every 2 months, and Calculator +ㅤ fortnightly. Most recently, Omega Calculator was updated on July 6, 2026 and Calculator +ㅤ on September 23, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*