# OmniCounter vs CalcBoard

The clearest difference is monetization model: OmniCounter at free against CalcBoard's free with in-app purchases. OmniCounter also leads on ratings volume (4 vs 1) and iOS requirement (13.0 vs 16.0). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. OmniCounter sells 10 one-off in-app purchases and CalcBoard 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 — 5.0 for OmniCounter against 5.0 for CalcBoard. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

OmniCounter ships an update every 4 months, CalcBoard every 3 months. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | OmniCounter | CalcBoard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/omnicounter/id1569846314/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/calcboard-multi-calculator/id6759535339/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 14 MB | 50 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [留传 于](https://appshunter.io/developer/1569844705) | [Colby Clark](https://appshunter.io/developer/1110053823) |

## What reviewers say

### 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 |


### CalcBoard

[App page](https://appshunter.io/ios/app/calcboard-multi-calculator/id6759535339)

Perform multiple calculations simultaneously on one screen, compare prices side-by-side, and access various modes like scientific and programmer. This ad-free utility offers precise results and stores your data locally.

**Highlights:** Multiple independent calculator panels, Side-by-side price comparison, Scientific, programmer, and unit converter modes, Visible expression history, Shared value tray for chaining calculations, Named variables for complex formulas, Ad-free and no tracking

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CalcBoard Premium | $2.99 | one-time |


## Frequently asked questions

### Is OmniCounter free?

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

### Is CalcBoard free?

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

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

OmniCounter and CalcBoard are both rated 5.0 out of 5 on the App Store, from 4 and 1 ratings respectively.

### Do OmniCounter or CalcBoard have ads?

Neither OmniCounter nor CalcBoard shows ads.

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

OmniCounter ships an update every 4 months, and CalcBoard every 3 months. Most recently, OmniCounter was updated on October 24, 2026 and CalcBoard on October 28, 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.*