# Fire Calculator vs Cuspart

The clearest difference is in-app purchases: Fire Calculator at none against Cuspart's 1. Cuspart's advantage is update cadence (every 4 months vs every 65 months) and device support. On price and iOS requirement there is nothing between them.

Both are free to download. Cuspart sells 1 one-off in-app purchase. Fire Calculator asks for nothing beyond the download.

Fire Calculator ships an update every 65 months, Cuspart every 4 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Fire Calculator | Cuspart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cuspart-mycal/id1546543143/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | — | Yes |
| Update frequency | Every 65 months | **Every 4 months** |
| Monetization | — | Free with in-app purchases |
| Size | 37 MB | 13 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 12+ |
| Developer | [Burak Bilgin](https://appshunter.io/developer/1501098450) | [Mustafa Tolga DALBUDAK](https://appshunter.io/developer/1479052908) |

## What reviewers say

### Fire Calculator

[App page](https://appshunter.io/ios/app/fire-calculator/id1535503681)

**In-app purchases:** none


### Cuspart

[App page](https://appshunter.io/ios/app/cuspart-mycal/id1546543143)

This app offers a professional-grade calculator with advanced math functions, a constants library, and intuitive history tracking. Customize your experience with various color themes and an accessible interface designed for ease of use.

**Highlights:** Basic and advanced arithmetic, Roots, powers, and logarithms, Constants library (π, e), Operation history, Customizable color themes, Accessible UI design

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| myCal Pro | $2.99 | one-time |


## Frequently asked questions

### Is Fire Calculator free?

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

### Is Cuspart free?

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

### Which is updated more often, Fire Calculator or Cuspart?

Fire Calculator ships an update every 65 months, and Cuspart every 4 months. Most recently, Fire Calculator was updated on November 3, 2026 and Cuspart on November 3, 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.*