# PATT vs Prison Engine

PATT and Prison Engine are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | PATT | Prison Engine |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | — |
| Monetization | Free | — |
| Size | 76 MB | 18 MB |
| Requires iOS | **12.0** | 12.4 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pivotel Satellite Pty Limited](https://appshunter.io/developer/1353323673) | [Prison Engine](https://appshunter.io/developer/1788775525) |

## What reviewers say

### PATT

[App page](https://appshunter.io/ios/app/patt/id1551625491)

This app allows you to make and receive voice calls and SMS messages using a data connection, even outside of standard mobile coverage. It provides a dedicated Australian mobile number for easy communication with anyone, regardless of whether they have the app installed.

**Highlights:** Make/receive calls and SMS, Works with satellite data, Dedicated Australian mobile number, Call any standard number, Uses existing contact list, Encrypted calls and SMS

**In-app purchases:** none


### Prison Engine

[App page](https://appshunter.io/ios/app/prison-engine/id6740180457)

**In-app purchases:** none


## Frequently asked questions

### Is PATT free?

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

### Is Prison Engine free?

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

### Do PATT or Prison Engine have ads?

Neither PATT nor Prison Engine 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.*