# ARRRM vs Prusa

The clearest difference is update cadence: Prusa at every 5 weeks against ARRRM's every 13 months. ARRRM's advantage is iOS requirement (13.1 vs 15.0). 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.

ARRRM ships an update every 13 months, Prusa every 5 weeks. The most recent releases landed on October 1, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | ARRRM | Prusa |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (117 ratings)](https://appshunter.io/ios/app/prusa/id6477531937/reviews)** |
| Number of ratings | — | **117** |
| Positive reviews | — | 50.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 5 weeks** |
| Monetization | — | Free |
| Size | 90 MB | 102 MB |
| Requires iOS | **13.1** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Ladislav Pospech](https://appshunter.io/developer/1680689307) | [Prusa Research a.s.](https://appshunter.io/developer/1729557743) |

## What reviewers say

### ARRRM

[App page](https://appshunter.io/ios/app/arrrm/id6472652836)

**In-app purchases:** none


### Prusa

[App page](https://appshunter.io/ios/app/prusa/id6477531937)

Monitor and manage your 3D printers remotely. Control print parameters, receive notifications for print status, and integrate with model repositories and slicing software. Easily add new printers and cameras, with options for cloud or on-premises storage.

**Highlights:** Real-time printer overview, Remote print management, Temperature, speed, flow control, Push notifications, Printables.com integration, EasyPrint slicing integration, NFC printer setup

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

**In-app purchases:** none

**What reviewers like**

- 🔔 Push notifications for finished prints
- 🔍 Ability to monitor printers and print status
- 🌟 Overall great user experience and functionality

**What reviewers complain about**

- 🐞 Bugs and glitches, including issues with offline printers
- 📷 Lack of camera support and monitoring
- 🔍 Suboptimal design for single-printer users
- 🔧 Missing features compared to the website, such as file uploads and statistics


## Frequently asked questions

### Is ARRRM free?

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

### Is Prusa free?

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

### Do ARRRM or Prusa have ads?

Neither ARRRM nor Prusa shows ads.

### Which is updated more often, ARRRM or Prusa?

ARRRM ships an update every 13 months, and Prusa every 5 weeks. Most recently, ARRRM was updated on October 1, 2026 and Prusa on October 7, 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.*