ntfy vs Viam Robotics
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ntfy
This app allows you to send push notifications to your phone from scripts or other applications using simple HTTP requests. It acts as a client for a free, open-source pub-sub service, enabling you to receive alerts and updates directly on your device.
- Send notifications via REST API
- Subscribe to topics
- Publish messages via HTTP
- Integrates with Bash/PowerShell
- Free and open source client
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Send push notifications to your phone from any Bash or PowerShell script, or from your own app using PUT/POST requests, e.g. via curl on Linux or Invoke-WebRequest. ntfy is a client for https://ntfy.sh, a free and open source HTTP-based pub-sub service. You can subscribe to topics in this app, and then publish messages via a simple HTTP API. Uses: * Notify yourself when a long-running process is done * Ping your phone when a backup has failed * Alerts when someone logs into your server Example: $ curl -d "Your backup is done" ntfy.sh/mytopic Find more examples and usage instructions here: https://ntfy.sh/docs
Viam Robotics
Control and connect to smart machines running on Viam directly from your mobile device. Manage your robotics projects remotely and efficiently.
- Connect to smart machines
- Control smart machines
- Mobile device control
- Remote machine management
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With this application you can connect to and control your smart machines running on Viam directly from your mobile device. By downloading this app, you agree to our Terms of Service and Privacy Policy. https://www.viam.com/terms https://www.viam.com/privacy [:mav: 1.13.0]
Screenshots
Verdict
The clearest difference is ratings volume: ntfy at 425 against Viam Robotics's 7. Viam Robotics's advantage is review sentiment (100% vs 79%) and rating (5.0 vs 4.8). On price, update cadence, ads and in-app purchases 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.
Viam Robotics holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: ntfy has 425 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 79% of ntfy's written reviews are positive against 100% of Viam Robotics's.
ntfy ships an update fortnightly, Viam Robotics monthly. The most recent releases landed on September 24, 2026 and September 11, 2026 respectively.
| Parameter | ntfy | Viam Robotics |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (425 ratings) | 5.0 (7 ratings) — better |
| Positive reviews | 78.9% of reviews | 100.0% of reviews — better |
| Number of ratings | 425 — better | 7 |
| Update frequency | Fortnightly — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 3 MB | 59 MB |
| Age rating | 4+ | 4+ |
| Developer | Philipp Heckel | Viam, Inc. |
Customer experience
ntfy
Viam Robotics
Bugs and requests
ntfy
Reported bugs
3 issues- Notifications not working on iOS
- Broken click URLs in notifications
- Compatibility issues with iOS notification summarizing
Requested features
5 requests- Ability to change notification sounds
- Support for Apple Watch
- Customizable topic names/aliases
- Improved iOS notification handling
- All topics view and read/unread indicators
Viam Robotics
Not enough reviews yet to summarise bugs or requests.
In-app purchases
ntfy
No in-app purchases
Viam Robotics
No in-app purchases









