# Calculator Pro vs HOOC Client

The clearest difference is price: HOOC Client at Free against Calculator Pro's $6.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

HOOC Client is free to download; Calculator Pro costs $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Calculator Pro ships an update every 3 months, HOOC Client every 4 months. The most recent releases landed on October 9, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Calculator Pro | HOOC Client |
| --- | --- | --- |
| Price | $6.99 | **Free** |
| Rating | **[3.6 (5 ratings)](https://appshunter.io/ios/app/calculator-pro-simple-app/id708077489/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Paid | — |
| Size | 25 MB | 7 MB |
| Requires iOS | **12.0** | 13.1 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [woodsmall inc.](https://appshunter.io/developer/708077492) | [HOOC AG](https://appshunter.io/developer/1220327730) |

## What reviewers say

### Calculator Pro

[App page](https://appshunter.io/ios/app/calculator-pro-simple-app/id708077489)

This app offers a stylish and functional calculator with advanced features like percent, constant, exponential, and compound interest calculations. Customize themes and decimal rounding for a personalized experience.

**Highlights:** Percent calculations, Constant calculations, Exponential calculations, Compound interest calculations, Customizable themes, Customizable display, Decimal rounding settings

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

**In-app purchases:** none


### HOOC Client

[App page](https://appshunter.io/ios/app/hooc-client/id1220327731)

**In-app purchases:** none


## Frequently asked questions

### Is Calculator Pro free?

Calculator Pro costs $6.99, with no in-app purchases.

### Is HOOC Client free?

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

### Do Calculator Pro or HOOC Client have ads?

Neither Calculator Pro nor HOOC Client shows ads.

### Which is updated more often, Calculator Pro or HOOC Client?

Calculator Pro ships an update every 3 months, and HOOC Client every 4 months. Most recently, Calculator Pro was updated on October 9, 2026 and HOOC Client on October 5, 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.*