Comparison

ntfy vs Viam Robotics

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Send notifications via REST API
  • Subscribe to topics
  • Publish messages via HTTP
  • Integrates with Bash/PowerShell
  • Free and open source client
Features
Read full description

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

About

Viam Robotics

Control and connect to smart machines running on Viam directly from your mobile device. Manage your robotics projects remotely and efficiently.

Highlights
  • Connect to smart machines
  • Control smart machines
  • Mobile device control
  • Remote machine management
Features
Read full description

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

ntfy2 screens
Viam Robotics4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

ntfy ships an update fortnightly, Viam Robotics monthly. The most recent releases landed on September 24, 2026 and September 11, 2026 respectively.

Scorecard3 real differences · 7 level
ntfy versus Viam Robotics: the parameters behind the verdict, then further details
ParameterntfyViam Robotics
PriceFreeFree
Rating4.8 (425 ratings)5.0 (7 ratings) — better
Positive reviews78.9% of reviews100.0% of reviews — better
Number of ratings425 — better7
Update frequencyFortnightly — betterMonthly
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.6
Further details — not scored
Size3 MB59 MB
Age rating4+4+
DeveloperPhilipp HeckelViam, Inc.

Customer experience

ntfy

All ratings425 ratings
Positive93.9%
Neutral1.6%
Negative4.5%
Written reviews142 reviews
Positive78.9%
Neutral4.9%
Negative16.2%

Viam Robotics

All ratings7 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

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

None

ntfy

No in-app purchases

None

Viam Robotics

No in-app purchases

Questions

Is ntfy free?
ntfy is free to download, with no in-app purchases.
Is Viam Robotics free?
Viam Robotics is free to download, with no in-app purchases.
Which has better reviews, ntfy or Viam Robotics?
Viam Robotics is rated higher. ntfy averages 4.8 out of 5 from 425 ratings, while Viam Robotics averages 5.0 from 7 ratings.
Do ntfy or Viam Robotics have ads?
Neither ntfy nor Viam Robotics shows ads.
Which is updated more often, ntfy or Viam Robotics?
ntfy ships an update fortnightly, and Viam Robotics monthly. Most recently, ntfy was updated on September 24, 2026 and Viam Robotics on September 11, 2026.

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