
ChurnBuster
ChurnKey
BareMetrics
Baremetrics Dunning & Retention
Browse AI
MarsX
ProfitWell Retain from Price Intelligently
Dunning emails, failed payments, churn prevention, event notifications, custom HTML receipts and more for Stripe subscriptions, with iPhone app and push notifications

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.

Which is more popular?
Based on our record, Stunning seems to be more popular. It has been mentioned 3 times since March 2021.
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | stunning.co | cloudgpu.app |
| Pricing | ||
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Stunning yet.
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.
What each product offers, as listed by its team.


Possible disadvantages
Walkthroughs and reviews on video.
Going In Style - "Instant Classic/Stunning Review" TV Spot
More videos
No CloudGPU.app videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Stunning and CloudGPU.app. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Every tool here can recover failed payments; the question is fit. The incumbents — Churnkey, Paddle Retain, Churn Buster, Stunning, Baremetrics — are proven, and each has a scenario where it's the right call, which...
We have no reviews of CloudGPU.app yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


When should a B2B SaaS reach for FlyCode (an app on Stripe Marketplace) vs Stripe Dunning (I'm actually unsure if it's their own offering or not)? [1]: https://stunning.co/. - Source: Hacker News / about 2 years ago
I have used stunning.costunning . And if you are using stripe there is already existing a basic dunning followup. Source: over 5 years ago
Their blog has no sign-in button. Their main page (https://stunning.co/) does. - Source: Hacker News / over 5 years ago
Tracking CloudGPU.app since Sep 2026.
When comparing Stunning and CloudGPU.app, you can also consider the following products.

Stop Losing Money toFailed Payments in Stripe. Churn Buster saves you thousands of dollars every month by ensuring your customers update their payment information.
Compare ChurnBuster to Stunning or CloudGPU.app:

GPU Sharing Economy: One simple interface to find the best cloud GPU rentals.
Compare Vast.ai to Stunning or CloudGPU.app:

The only platform that fixes every type of churn for you.
Compare ChurnKey to Stunning or CloudGPU.app:

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.
Compare GPU Per Hour to Stunning or CloudGPU.app:


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.
Compare Coreframe Cloud to Stunning or CloudGPU.app: