# Calculator vs OmniCounter

The clearest difference is in-app purchases: Calculator at none against OmniCounter's 10. Calculator also leads on update cadence (every 8 days vs every 4 months). OmniCounter's advantage is iOS requirement (13.0 vs 17.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. OmniCounter sells 10 one-off in-app purchases. Calculator asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Calculator against 5.0 for OmniCounter. Both are backed by a comparable volume of ratings — 2 and 4 respectively.

Calculator ships an update every 8 days, OmniCounter every 4 months. The most recent releases landed on October 15, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Calculator | OmniCounter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/calculator-andulator/id1150777586/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/omnicounter/id1569846314/reviews) |
| Number of ratings | 2 | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 4 months |
| Monetization | Free | Free |
| Size | 6 MB | 14 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Bytesly Technologies, LLC](https://appshunter.io/developer/1538174218) | [留传 于](https://appshunter.io/developer/1569844705) |

## What reviewers say

### Calculator

[App page](https://appshunter.io/ios/app/calculator-andulator/id1150777586)

This universal calculator offers traditional functions plus advanced features like equation solving, geometric calculations, and derivative work. Its smart scanner can read math from text, making it ideal for students and daily use.

**Highlights:** Equation solving, Geometric calculations, Derivative calculations, Smart scanner for text input, Traditional calculator functions

**Features:** macOS Compatibility

**In-app purchases:** none


### OmniCounter

[App page](https://appshunter.io/ios/app/omnicounter/id1569846314)

This app is a comprehensive calculator with support for basic, scientific, and advanced mathematical functions. It features a customizable keyboard, multiple input bases, and expression beautification. Enjoy a powerful, ad-free calculation experience.

**Highlights:** Supports over a dozen computing categories, Customizable keyboard with auto-completion, Multiple input bases (binary, octal, decimal, hex), Beautified input expressions, Optional historical features, Copy inputs and outputs

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Datetime | $0.99 | one-time |
| Calculus | $2.99 | one-time |
| Combinatorics | $2.99 | one-time |
| Economics | $2.99 | one-time |
| Geometry | $2.99 | one-time |
| Matrix & Vector | $2.99 | one-time |
| SpecialFunction | $2.99 | one-time |
| NumberTheory | $2.99 | one-time |
| Statistics | $2.99 | one-time |
| Trigonometry | $2.99 | one-time |


## Frequently asked questions

### Is Calculator free?

Calculator is free to download, with no in-app purchases.

### Is OmniCounter free?

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

### Which has better reviews, Calculator or OmniCounter?

Calculator and OmniCounter are both rated 5.0 out of 5 on the App Store, from 2 and 4 ratings respectively.

### Do Calculator or OmniCounter have ads?

Neither Calculator nor OmniCounter shows ads.

### Which is updated more often, Calculator or OmniCounter?

Calculator ships an update every 8 days, and OmniCounter every 4 months. Most recently, Calculator was updated on October 15, 2026 and OmniCounter on October 24, 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.*