# PROIS Mobile App vs ParentLine

The clearest difference is iOS requirement: PROIS Mobile App at 13.0 against ParentLine's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

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

PROIS Mobile App ships an update every 5 weeks, ParentLine every 2 months. The most recent releases landed on October 16, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | PROIS Mobile App | ParentLine |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Size | 69 MB | 41 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Livro Systems Incorporated](https://appshunter.io/developer/1896544025) | [TechFactors Inc](https://appshunter.io/developer/1479369215) |

## 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


### ParentLine

[App page](https://appshunter.io/ios/app/parentline/id1621226781)

**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 ParentLine free?

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

### Do PROIS Mobile App or ParentLine have ads?

Neither PROIS Mobile App nor ParentLine shows ads.

### Which is updated more often, PROIS Mobile App or ParentLine?

PROIS Mobile App ships an update every 5 weeks, and ParentLine every 2 months. Most recently, PROIS Mobile App was updated on October 16, 2026 and ParentLine on October 2, 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.*