# 12Calc vs FairOption

The clearest difference is price: 12Calc at $8.99 against FairOption's $17.99. 12Calc also leads on update cadence (every 5 months vs every 23 months) and chart position (#187 vs unranked). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

12Calc costs $8.99 and FairOption $17.99 up front. Neither carries in-app purchases, so what you see is what you pay.

12Calc ships an update every 5 months, FairOption every 23 months. The most recent releases landed on September 25, 2026 and May 15, 2026 respectively.

## The numbers

| Metric | 12Calc | FairOption |
| --- | --- | --- |
| Price | **$8.99** | $17.99 |
| Rating | **[4.9 (916 ratings)](https://appshunter.io/ios/app/12calc/id780780002/reviews)** | — |
| Number of ratings | **916** | — |
| Positive reviews | 95.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 23 months |
| Monetization | Paid | — |
| Best chart rank | **#187** | — |
| Size | 6 MB | 6 MB |
| Requires iOS | 17.6 | **16** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ernest Brock](https://appshunter.io/developer/289555912) | [Miles Hitcham](https://appshunter.io/developer/955087953) |

## What reviewers say

### 12Calc

[App page](https://appshunter.io/ios/app/12calc/id780780002)

**Currently charting:** #187 Top Paid · Finance (US App Store)

This app provides a full-featured financial calculator experience, replicating the functionality of a popular physical model. It offers an audit tape for tracking calculations, a unit converter with currency exchange rates, and various worksheets with interactive graphs for financial analysis. Optimized for modern devices with high-resolution graphics and support for multiple orientations.

**Highlights:** HP12C emulation, Audit tape for calculation history, Unit and currency converter, Interactive financial worksheets, Portrait and landscape views, Contextual help and tutorials, HD graphics with color themes

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

**In-app purchases:** none


### FairOption

[App page](https://appshunter.io/ios/app/fairoption/id955087954)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 12Calc free?

12Calc costs $8.99, with no in-app purchases.

### Is FairOption free?

FairOption costs $17.99, with no in-app purchases.

### Do 12Calc or FairOption have ads?

Neither 12Calc nor FairOption shows ads.

### Which is updated more often, 12Calc or FairOption?

12Calc ships an update every 5 months, and FairOption every 23 months. Most recently, 12Calc was updated on September 25, 2026 and FairOption on May 15, 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.*