# PRM Assist vs Ostrum

PRM Assist and Ostrum are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases 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.

PRM Assist ships an update every 5 weeks, Ostrum every 2 months. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | PRM Assist | Ostrum |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (3 ratings)](https://appshunter.io/ios/app/prm-assist/id1574371912/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 6.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 39 MB | 57 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [PRM ASSIST LIMITED](https://appshunter.io/developer/1574371914) | [Ostrum Tech Limited](https://appshunter.io/developer/1596744681) |

## What reviewers say

### PRM Assist

[App page](https://appshunter.io/ios/app/prm-assist/id1574371912)

Track your airport assistance bookings with real-time confirmations. Access exclusive airport offers and purchase retail items or book local excursions directly through the app. Enjoy a seamless travel experience with integrated payment and booking features.

**Highlights:** Airport assistance booking confirmation, Exclusive airport offers, In-app retail purchasing, Excursion booking, Integrated payment system, Real-time timestamp system

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

**In-app purchases:** none


### Ostrum

[App page](https://appshunter.io/ios/app/ostrum/id6447539444)

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

**In-app purchases:** none


## Frequently asked questions

### Is PRM Assist free?

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

### Is Ostrum free?

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

### Do PRM Assist or Ostrum have ads?

Neither PRM Assist nor Ostrum shows ads.

### Which is updated more often, PRM Assist or Ostrum?

PRM Assist ships an update every 5 weeks, and Ostrum every 2 months. Most recently, PRM Assist was updated on October 24, 2026 and Ostrum on October 27, 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.*