# Calctan vs PowerSpeakPro

The clearest difference is in-app purchases: PowerSpeakPro at none against Calctan's 1. PowerSpeakPro also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Calctan sells 1 one-off in-app purchase. PowerSpeakPro asks for nothing beyond the download.

## The numbers

| Metric | Calctan | PowerSpeakPro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (61 ratings)](https://appshunter.io/ios/app/calctan/id1445480535/reviews)** | — |
| Number of ratings | **61** | — |
| Positive reviews | 28.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 11 MB | 33 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jorge Lozada](https://appshunter.io/developer/421852863) | [jeby james](https://appshunter.io/developer/1851442886) |

## What reviewers say

### Calctan

[App page](https://appshunter.io/ios/app/calctan/id1445480535)

This sophisticated calculator app offers a minimalist design with advanced mathematical functions and extensive personalization options. It seamlessly syncs across devices and includes multitasking features for enhanced productivity.

**Highlights:** Intuitive minimalist design, 100+ customizable themes, 47 advanced mathematical functions, Automatic calculation history, iCloud sync across devices, Split Screen and Swipe Mode multitasking, Share calculations easily

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $9.99 | one-time |


### PowerSpeakPro

[App page](https://appshunter.io/ios/app/powerspeakpro/id6760725631)

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

**In-app purchases:** none


## Frequently asked questions

### Is Calctan free?

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

### Is PowerSpeakPro free?

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

### Do Calctan or PowerSpeakPro have ads?

Calctan shows ads; PowerSpeakPro does not.

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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.*