# Petra lite vs SIPRO App

The clearest difference is update cadence: SIPRO App at monthly against Petra lite's every 48 months. Petra lite's advantage is iOS requirement (12.4 vs 15.1). 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.

Petra lite ships an update every 48 months, SIPRO App monthly. Both last shipped on October 25, 2026.

## The numbers

| Metric | Petra lite | SIPRO App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 48 months | **Monthly** |
| Size | 7 MB | 36 MB |
| Requires iOS | **12.4** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Carlo Narcisi](https://appshunter.io/developer/1584611393) | [Igor Silvi](https://appshunter.io/developer/6775797701) |

## What reviewers say

### Petra lite

[App page](https://appshunter.io/ios/app/petra-lite/id1597755936)

**Features:** macOS Compatibility

**In-app purchases:** none


### SIPRO App

[App page](https://appshunter.io/ios/app/sipro-app/id6760611459)

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

**In-app purchases:** none


## Frequently asked questions

### Is Petra lite free?

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

### Is SIPRO App free?

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

### Do Petra lite or SIPRO App have ads?

Neither Petra lite nor SIPRO App shows ads.

### Which is updated more often, Petra lite or SIPRO App?

Petra lite ships an update every 48 months, and SIPRO App monthly. Most recently, Petra lite was updated on October 25, 2026 and SIPRO App on October 25, 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.*