# The Unit Circle App vs GhostCalc

The Unit Circle App and GhostCalc are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | The Unit Circle App | GhostCalc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Weekly |
| Size | 19 MB | 16 MB |
| Requires iOS | **15.1** | 15.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Jonathan Raymond Shane Jackson](https://appshunter.io/developer/1817087516) | [RAFAEL RAEHMAN NAGIEV](https://appshunter.io/developer/1892037141) |

## What reviewers say

### The Unit Circle App

[App page](https://appshunter.io/ios/app/the-unit-circle-app/id6752369385)

**Features:** macOS Compatibility

**In-app purchases:** none


### GhostCalc

[App page](https://appshunter.io/ios/app/ghostcalc/id6775283334)

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

**In-app purchases:** none


## Frequently asked questions

### Is The Unit Circle App free?

The Unit Circle App is free to download, with no in-app purchases.

### Is GhostCalc free?

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

### Do The Unit Circle App or GhostCalc have ads?

Neither The Unit Circle App nor GhostCalc shows ads.

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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.*