# Cuspart vs Arithon Calculator

The clearest difference is in-app purchases: Arithon Calculator at none against Cuspart's 4. Arithon Calculator also leads on ads (none vs shown) and update cadence (weekly vs every 4 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Cuspart sells 4 in-app purchases, starting at $0.99 per month. Arithon Calculator asks for nothing beyond the download.

Cuspart ships an update every 4 months, Arithon Calculator weekly. The most recent releases landed on October 18, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Cuspart | Arithon Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cuspart-mycal/id1546543143/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 13 MB | 31 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Mustafa Tolga DALBUDAK](https://appshunter.io/developer/1479052908) | [Mind Mirage Apps Ltd](https://appshunter.io/developer/1896465995) |

## What reviewers say

### 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 (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Subscription | $0.99 | per month |
| 3 Month Subscription | $2.99 | per 3 months |
| 12 Month Subscription | $9.99 | per year |
| Remove Ads | $2.49 | one-time |


### Arithon Calculator

[App page](https://appshunter.io/ios/app/arithon-calculator/id6767340730)

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

**In-app purchases:** none


## Frequently asked questions

### Is Cuspart free?

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

### Is Arithon Calculator free?

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

### Do Cuspart or Arithon Calculator have ads?

Cuspart shows ads; Arithon Calculator does not.

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

Cuspart ships an update every 4 months, and Arithon Calculator weekly. Most recently, Cuspart was updated on October 18, 2026 and Arithon Calculator on October 9, 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.*