# Calculator vs Cuspart

The clearest difference is rating: Cuspart at 5.0 against Calculator's 1.8. Cuspart also leads on update cadence (every 4 months vs every 15 months). Calculator's advantage is in-app purchases (none vs 4) and ratings volume (5 vs 1). On price, ads and device support there is nothing between them.

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

Cuspart holds the better App Store score, 5.0 against 1.8. That said, the two scores are not equally well evidenced: Calculator has 5 ratings behind it against 1, so its average is the more settled of the two.

Calculator ships an update every 15 months, Cuspart every 4 months. The most recent releases landed on October 7, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Calculator | Cuspart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.8 (5 ratings)](https://appshunter.io/ios/app/calculator-plus/id598278054/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cuspart-mycal/id1546543143/reviews)** |
| Number of ratings | **5** | 1 |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 15 months | **Every 4 months** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 6 MB | 13 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [ABCiSoft](https://appshunter.io/developer/409799840) | [Mustafa Tolga DALBUDAK](https://appshunter.io/developer/1479052908) |

## What reviewers say

### Calculator

[App page](https://appshunter.io/ios/app/calculator-plus/id598278054)

A straightforward calculator app designed for ease of use with large, legible digits. It offers a simple interface for quick calculations on mobile devices.

**Highlights:** Large, clear numbers, Simple interface, Easy calculations, Mobile-friendly design

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

**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 (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 |


## Frequently asked questions

### Is Calculator free?

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

### Is Cuspart free?

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

### Which has better reviews, Calculator or Cuspart?

Cuspart is rated higher. Calculator averages 1.8 out of 5 from 5 ratings, while Cuspart averages 5.0 from 1 ratings.

### Do Calculator or Cuspart have ads?

Both Calculator and Cuspart show ads.

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

Calculator ships an update every 15 months, and Cuspart every 4 months. Most recently, Calculator was updated on October 7, 2026 and Cuspart on October 18, 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.*