# PROIS Mobile App vs Talking Calculator Pro

The clearest difference is iOS requirement: PROIS Mobile App at 13.0 against Talking Calculator Pro's 18.2. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | PROIS Mobile App | Talking Calculator Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | — |
| Size | 69 MB | 1 MB |
| Requires iOS | **13.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Livro Systems Incorporated](https://appshunter.io/developer/1896544025) | [Armanul Momin](https://appshunter.io/developer/1839003061) |

## What reviewers say

### PROIS Mobile App

[App page](https://appshunter.io/ios/app/prois-mobile-app/id1444823345)

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

**In-app purchases:** none


### Talking Calculator Pro

[App page](https://appshunter.io/ios/app/talking-calculator-pro/id6752349632)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PROIS Mobile App free?

PROIS Mobile App is free to download, with no in-app purchases.

### Is Talking Calculator Pro free?

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

### Do PROIS Mobile App or Talking Calculator Pro have ads?

Neither PROIS Mobile App nor Talking Calculator Pro shows ads.

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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.*