# Cuspart vs prismCalc

The clearest difference is ads: prismCalc at none against Cuspart's shown. prismCalc also leads on update cadence (weekly vs every 4 months) and ratings volume (4 vs 1). Cuspart's advantage is iOS requirement (16.0 vs 26.0). On price, rating, in-app purchases and monetization model there is nothing between them.

Both are free to download. Cuspart sells 1 one-off in-app purchase and prismCalc sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Cuspart against 5.0 for prismCalc. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

Cuspart ships an update every 4 months, prismCalc weekly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Cuspart | prismCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/cuspart-mycal/id1546543143/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/prismcalc/id6756225072/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 13 MB | 70 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 12+ | 4+ |
| Developer | [Mustafa Tolga DALBUDAK](https://appshunter.io/developer/1479052908) | [Patrick LaClair](https://appshunter.io/developer/1859344139) |

## 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 (1)**

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


### prismCalc

[App page](https://appshunter.io/ios/app/prismcalc/id6756225072)

This app offers a visually appealing and functional calculator for everyday financial tasks like splitting bills, calculating discounts, and comparing loan payments. It provides live calculation previews, a history of recent results, and various everyday tools.

**Highlights:** Live calculation preview, History of recent results, Tip and split bill calculator, Discount calculator, Loan calculator, Unit converter, Customizable themes

**Features:** Family Sharing, Apple Watch app

**In-app purchases (1)**

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


## Frequently asked questions

### Is Cuspart free?

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

### Is prismCalc free?

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

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

Cuspart and prismCalc are both rated 5.0 out of 5 on the App Store, from 1 and 4 ratings respectively.

### Do Cuspart or prismCalc have ads?

Cuspart shows ads; prismCalc does not.

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

Cuspart ships an update every 4 months, and prismCalc weekly. Most recently, Cuspart was updated on November 3, 2026 and prismCalc on October 30, 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.*