Prusa vs O
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Prusa
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.
- Real-time printer overview
- Remote print management
- Temperature, speed, flow control
- Push notifications
- Printables.com integration
- EasyPrint slicing integration
- NFC printer setup
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Key Features - Real-time overview of all your Prusa 3D printers in Prusa Connect - Remote printer management. Start, pause, or stop prints directly from the App - Temperature, speed, flow, and position control - Push notifications when prints finish, schedules color changes, and everything else - Integration with Printables.com - browse and start printing - EasyPrint integration - Slice wherever you are, directly from the Prusa App - Add new 3D printers to Prusa Connect using the App - Add and control Buddy3D cameras with all available features - Cloud and on-premises printer storage - NFC printer setup - Team management - Belt tuner - Easily accessible print queue - Focus on privacy and security We plan to keep adding useful new features over time. We would love to hear your feedback!
O
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Verify product authenticity with a single scan. The O-KEY Authenticator lets you instantly confirm whether an O-KEY protected product is genuine. Every O-KEY contains a unique physical fingerprint that cannot be copied or replicated, giving brands, partners, and consumers confidence in the authenticity of every product. Beyond authentication, an O-KEY can connect you to product-specific information such as documentation, ownership history, sustainability data, service records, installation guides, and other digital content defined by the product owner. Whether you're protecting luxury goods, industrial equipment, automotive components, medical products, or consumer packaging, O-KEY makes trusted product verification simple. Features • Instantly verify product authenticity • Detect cloned or counterfeit products • Access trusted product information • View product-specific documents and digital content • Support product traceability and lifecycle information
Screenshots
Verdict
The clearest difference is update cadence: O at every 4 days against Prusa's every 5 weeks. Prusa's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Prusa ships an update every 5 weeks, O every 4 days. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.
| Parameter | Prusa | O |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (117 ratings) — better | — |
| Positive reviews | 50.5% of reviews | — |
| Number of ratings | 117 — better | — |
| Update frequency | Every 5 weeks | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 102 MB | 57 MB |
| Age rating | 17+ | 4+ |
| Developer | Prusa Research a.s. | PUFin ID A/S |
In-app purchases
Prusa
No in-app purchases
O
No in-app purchases
