# Calculator HD Pro vs Cuspart

The clearest difference is price: Cuspart at Free against Calculator HD Pro's $9.99. Calculator HD Pro's advantage is ads (none vs shown) and ratings volume (11K vs 1). On rating, in-app purchases, monetization model and device support there is nothing between them.

Cuspart is free to download; Calculator HD Pro costs $9.99 up front. Calculator HD Pro sells 2 one-off in-app purchases and Cuspart sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Cuspart holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Calculator HD Pro has 11K ratings behind it against 1, so its average is the more settled of the two.

Calculator HD Pro ships an update every 2 months, Cuspart every 4 months. The most recent releases landed on November 10, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Calculator HD Pro | Cuspart |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | [4.8 (11K ratings)](https://appshunter.io/ios/app/calculator-hd-pro/id565023649/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cuspart-mycal/id1546543143/reviews)** |
| Number of ratings | **11K** | 1 |
| Positive reviews | 94.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 48 MB | 13 MB |
| Requires iOS | **15.2** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Cider Software LLC](https://appshunter.io/developer/465180756) | [Mustafa Tolga DALBUDAK](https://appshunter.io/developer/1479052908) |

## What reviewers say

### Calculator HD Pro

[App page](https://appshunter.io/ios/app/calculator-hd-pro/id565023649)

This app offers a powerful and customizable calculator experience with a dual-line display for seeing input and results simultaneously. Save and organize your calculations with history, labeling, and email options. Personalize layouts, themes, and fonts for a comfortable and efficient user experience.

**Highlights:** Dual-line display, Multi-line input, Calculation history, Customizable layouts and themes, Full scientific functions, Left-handed mode, VoiceOver accessibility

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Widget | $1.99 | one-time |
| Multiple History Tapes | $1.99 | one-time |

**What reviewers like**

- 🚀 Significantly better than Apple's calculator
- 👍 Excellent app with great features
- 👍 Flawless app, very useful
- 👍 Fantastic calculator, meets all needs
- 👍 Best calculator app, highly recommended

**What reviewers complain about**

- 🐛 Bothersome pop-up review requests
- 🐛 Cannot delete lists in history tapes
- 🐛 Repeated rate and review pop-ups

**Reported bugs**

- Cannot delete lists in history tapes
- Ads still appear after purchasing full version

**Requested features**

- Add binary, decimal, and hex conversion
- Ability to manually sort result lines
- Add a tax calculation button


### 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 Calculator HD Pro free?

Calculator HD Pro costs $9.99, and also offers in-app purchases.

### Is Cuspart free?

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

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

Cuspart is rated higher. Calculator HD Pro averages 4.8 out of 5 from 11K ratings, while Cuspart averages 5.0 from 1 ratings.

### Do Calculator HD Pro or Cuspart have ads?

Cuspart shows ads; Calculator HD Pro does not.

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

Calculator HD Pro ships an update every 2 months, and Cuspart every 4 months. Most recently, Calculator HD Pro was updated on November 10, 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.*