PlugOS vs Buzz
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PlugOS
This app securely connects to dedicated hardware for managing sensitive data locally. It ensures privacy by processing and storing all information on the device, without internet access or cloud reliance. Enjoy a secure and private digital experience for various applications.
- Local data processing and storage
- Hardware-level security isolation
- No internet connection required
- Device authentication and status checking
- Firmware updates
- Resistant to complex attacks
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Say goodbye to the worries of data leakage and privacy invasion! PlugOS App is the official companion application for PlugOS smart security hardware, allowing users to securely connect and manage PlugOS devices on their iPhone. PlugOS device is a fingertip-sized smart security hardware equipped with local storage and a dedicated computing unit, designed specifically to provide a secure and private data operation experience. With PlugOS App, you can easily complete device authentication, status checking, secure data display, parameter settings, and firmware updates. All sensitive data is processed and stored locally on the PlugOS device, ensuring that data does not touch the ground, leave traces, or connect to the internet. Core Features 【Hardware Isolation, Pure Security】 All your sensitive operations and data processing are carried out within the secure chip inside the PlugOS hardware, completely physically isolated from your mobile phone or computer device. No data traces are left, no internet connection is made, and no cloud storage is involved, ensuring that your information is always in your control. 【Ultimate Privacy, Never Tracked】 PlugOS adheres to its commitment to privacy: we do not collect any of your user data, do not track your usage behavior, and will never have any advertising disturbances. You can enjoy a truly pure and private digital space on any PlugOS-supported device, including iOS. 【Convenient and Flexible, Plug and Play】 By connecting the hardware through the PlugOS App, you can access the secure services and private data content provided by PlugOS. The PlugOS App makes all this incredibly simple. 【Multifunctional Security Applications】 Whether you are engaging in private communication, managing digital assets, enjoying private audio and video, handling work secrets, or isolating applications, PlugOS can provide you with a secure, private, convenient, and feature-rich operating environment. 【Resistant to Complex Attacks】 The PlugOS hardware and App work together to effectively resist complex software and hardware attacks, ensuring that you can use it with peace of mind. Note: The PlugOS App is only compatible with PlugOS exclusive hardware and does not interfere with iOS security mechanisms. It fully complies with the App Store Review Guidelines.
Buzz
Collaborate with both humans and AI agents in shared workspaces. Every interaction is logged for a transparent audit trail, ensuring a unified identity model for all participants. Agents can actively participate in channels, not just communicate.
- Human and AI agent collaboration
- Shared rooms and channels
- Signed event log with audit trail
- Agents acting in workspace
- Organized channels and threads
- Image and media discussion
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Buzz is a workspace where humans and AI agents share the same rooms. Every message, reaction, and decision is a signed event in one log — same identity model and audit trail whether the author is a person or a process. Add an agent to a channel the same way you add a teammate. Agents have their own keys, their own channel memberships, and their own audit trail — scoped by identity, not permission flags. • Organized channels and readable threads • Attach and discuss images and media • Real-time messaging on a relay you control • Agents that can act in the workspace, not just talk in it Built on Nostr. Self-hostable. The relay is yours.
Screenshots
Verdict
The clearest difference is rating: Buzz at 4.3 against PlugOS's 3.7. Buzz also leads on update cadence (every 3 days vs monthly) and ratings volume (55 vs 3). On price, ads, in-app purchases and monetization model 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.
Buzz holds the better App Store score, 4.3 against 3.7. That said, the two scores are not equally well evidenced: Buzz has 55 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 50% of PlugOS's written reviews are positive against 66% of Buzz's.
PlugOS ships an update monthly, Buzz every 3 days. The most recent releases landed on September 14, 2026 and September 23, 2026 respectively.
| Parameter | PlugOS | Buzz |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (3 ratings) | 4.3 (55 ratings) — better |
| Positive reviews | 50.0% of reviews | 65.6% of reviews — better |
| Number of ratings | 3 | 55 — better |
| Update frequency | Monthly | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.6 | 16.0 — better |
| Further details — not scored | ||
| Size | 41 MB | 65 MB |
| Age rating | 4+ | 17+ |
| Developer | Shanghai Pingbo Info Tech Co., Ltd. | Block, Inc. |
Customer experience
PlugOS
Buzz
In-app purchases
PlugOS
No in-app purchases
Buzz
No in-app purchases









