WelcomeBob vs O
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WelcomeBob
This app digitizes your doorphone system, allowing you to see, speak to, and grant access to visitors from your smartphone. It simplifies building management by eliminating keys and enabling remote control and communication.
- HD video and audio streaming
- Remote door opening
- Visitor access sharing
- Automatic name display updates
- Building-wide messaging
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Make access smarter. WelcomeBob transforms the traditional doorphone into a digital experience – right on your smartphone. See and talk to visitors, open the door, and manage access from anywhere in the world. Designed for both residential buildings and office spaces, WelcomeBob removes the need for keys, complex installations, and paper notes. No more missed packages or access issues for guests and service workers. The app makes it easy to share access, invite new users, and automatically update name displays on the system. And with the built-in messaging feature, administrators can send important messages directly to all users in the building – quickly and efficiently. WelcomeBob combines access, communication, and security in one user-friendly app. Everything you need – all in your pocket. Features: - HD video and clear audio directly to your phone - Two-way audio and one-way video stream - Remote door opening via the app - Easily share access with guests and new users - Automatic name updates in the system - Send messages directly to residents or office users
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 WelcomeBob's every 3 weeks. WelcomeBob's advantage is device support (4 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.
WelcomeBob ships an update every 3 weeks, O every 4 days. Both last shipped on October 10, 2026.
| Parameter | WelcomeBob | O |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 weeks | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone |
| Requires iOS | 16.0 | 16.0 |
| Further details — not scored | ||
| Size | 88 MB | 57 MB |
| Age rating | 4+ | 4+ |
| Developer | Welcomebob Group AS | PUFin ID A/S |
In-app purchases
WelcomeBob
No in-app purchases
O
No in-app purchases
