
Vast.ai
GPU Per Hour
Coreframe Cloud
GPUniq
vagon
TensorDock GPU Cloud
OpenRouter
GPU rental by the minute plus an OpenAI-compatible AI API, on one prepaid balance. Independent service.

Ntfy
Pushover
Gotify
LogSnag
Your AI agents and scripts, reporting back to your iPhone

Which is more popular?
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | cloudgpu.app | activitysmith.com |
| Pricing | ||
| Platforms | — | |
| Company | — | 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


On-demand GPU rental for AI workloads, billed by the minute: RTX 4090 48G, RTX 5090, A100 80G and more, with root SSH, Jupyter and ready templates for ComfyUI and LLM training or inference. Pay by card or USDT.
Get a Push Notification when something finishes, fails, makes a sale, or needs your approval. Follow long-running work on your Lock Screen with Live Activities. Works with any backend, script, or MCP client.
What each product offers, as listed by its team.


An editorial look at what each product does well and who it suits.


No analysis of CloudGPU.app yet.
Overall verdict
Why this product is good
Recommended for
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Meet ActivitySmith: Real-time Backend Progress and Events for You and Your Team
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing CloudGPU.app and ActivitySmith.
ActivitySmith's answer:
Developers, DevOps, technical teams, CTOs
ActivitySmith's answer:
ActivitySmith is the stronger choice for internal engineering and operations teams that want more than just notifications. Live Activities, Rich Push Notifications, Lock Screen Widgets, channels, and official SDKs make it a better fit when backend workflows need to stay visible while they run.
ActivitySmith's answer:
ActivitySmith offers not only push notifications, but essentially full control over users' lock screen. Live Activities are powerful way to monitor long-running tasks in a real time.
Share your experience with using CloudGPU.app and ActivitySmith. For example, how are they different and which one is better?
When comparing CloudGPU.app and ActivitySmith, you can also consider the following products.

GPU Sharing Economy: One simple interface to find the best cloud GPU rentals.
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Real-time cloud GPU price comparison: Find the cheapest H100, A100, RTX 4090 & more across 30+ providers. Deploy instantly and save big on hourly rentals.
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Real-time notifications on your Android, iPhone, iPad, and Desktop
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RTX 5080 cloud workstations for D5 Render, Lumion, Enscape and Unreal Engine, plus CFD pressure-drop reports. Per minute from ₹399/hour in India (GST included) or $5.99/hour abroad.
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a simple self-hosted server for sending and receiving messages
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