Software Alternatives & Startups

quackr VS CloudGPU.app

Compare quackr VS CloudGPU.app and see what are their differences

quackr

Temporary Phone Numbers & Virtual Numbers for SMS Verification

Rating
0 reviews
Pricing
Open source Freemium $12.99 / Usage
CloudGPU.app

GPU rental by the minute plus an OpenAI-compatible AI API, on one prepaid balance. Independent service.

Rating
0 reviews
Pricing
Paid Free trial $0.15 / Usage
Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Which is more popular?

Based on our record, quackr seems to be more popular. It has been mentioned 49 times since March 2021.

social mentions
49 vs 0
Temporary Phone Numbers popularity
100% vs 0%
alternatives listed
58 vs 29

Base details

Website, pricing, platforms and company facts side by side.

quackr
CloudGPU.app
Website quackr.io cloudgpu.app
Pricing
Open source Freemium $12.99 / Usage Official pricing
Paid Free trial $0.15 / Usage Official pricing
Company Startup from the United Kingdom —
Listed in

About quackr and CloudGPU.app

In their own words, as submitted to SaaSHub.

quackr
CloudGPU.app

Quackr provides temporary phone numbers, temp numbers, and virtual numbers to receive SMS verification online without a physical SIM card.

Read more about quackr

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.

Read more about CloudGPU.app

Features and specs

What each product offers, as listed by its team.

quackr 3 features
CloudGPU.app 5 features
  • Temporary Phone Numbers
    Rent a temporary phone number to receive SMS verification codes online.
  • Receive SMS Online
    Receive SMS messages instantly for OTPs, 2FA, and account verification.
  • Receive Only Service
    Quackr is designed to receive SMS only no calls or outbound messages.

Possible disadvantages

  • Limited Usage
    Because these are temporary numbers, they may not work for receiving important or long-term communication, as the number might expire or be reused by someone else.
  • Service Compatibility
    Not all services accept temporary phone numbers for verification, which can limit the use of Quackr for certain websites or applications.
  • Potential Overuse
    Popular temporary numbers might receive a lot of verification codes or messages, which can become overwhelming and result in missed messages intended for the user.
  • On-Demand GPU Access
    CloudGPU.app provides users with the ability to rent GPU computing power on-demand, eliminating the need for expensive upfront hardware investments for machine learning, AI training, or rendering tasks.
  • Cost Efficiency for Short-Term Needs
    By offering pay-as-you-go pricing, the platform can be more cost-effective than purchasing physical GPUs for users who only need computing power intermittently or for short-term projects.
  • Simplified Setup
    The platform aims to reduce the technical complexity of setting up GPU environments, allowing developers and researchers to focus on their work rather than infrastructure management.
  • Scalability
    Users can potentially scale their GPU usage up or down based on project demands, making it suitable for variable workloads without long-term commitments.
  • Accessibility for Individuals and Small Teams
    It lowers the barrier to entry for individuals, students, and small teams who need GPU resources for AI/ML experimentation but cannot afford dedicated hardware or large cloud provider contracts.

Analysis

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

quackr
CloudGPU.app

Overall verdict

  • Quackr is considered a good service for individuals seeking a simple and efficient solution to avoid using their personal phone number for verification purposes. However, the effectiveness and reliability can vary based on location and service needs.

Why this product is good

  • Quackr is generally well-regarded for its ability to provide temporary phone numbers for SMS verification, which helps users maintain privacy and security when interacting with online services that require phone number verification. It offers a straightforward platform that is easy to use and supports multiple international numbers, making it versatile for users across the globe.

Recommended for

    Quackr is recommended for users who prioritize their privacy by not sharing personal phone numbers, frequent digital nomads engaged with international services, and anyone attempting to bypass SMS verification without a personal or permanent number.

No analysis of CloudGPU.app yet.

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
quackr
CloudGPU.app
100% 100%
0% 0%
0% 0%
100% 100%
100% 100%
0% 0%
0% 0%
100% 100%

Questions & Answers

As answered by people managing quackr and CloudGPU.app.

What makes your product unique?

quackr's answer

Quackr stands out by offering a seamless bridge between free public access and premium private security. Unlike many competitors that rely solely on low quality VoIP numbers (which are often blocked), Quackr provides Private Non-VoIP Numbers sourced from real SIM cards. This ensures high deliverability rates for strict services like Tinder, Gmail, and Banking apps, giving users a level of reliability that standard free sites cannot match.

Which are the primary technologies used for building your product?

quackr's answer

Quackr is built on a robust cloud infrastructure designed for speed and security. We utilize advanced telecommunications APIs to bridge real world SIM networks with our digital dashboard, ensuring near instant SMS delivery. Our frontend uses modern frameworks (like React/Next.js) to ensure a fast, responsive experience on both mobile and desktop.

What's the story behind your product?

quackr's answer

Quackr started with a simple mission to stop SMS spam. We realized that requiring a personal phone number for every minor sign-up was a privacy risk. What began as a free tool to protect users from telemarketers has evolved into a comprehensive privacy platform, helping thousands of users globally verify accounts securely without exposing their real identity.

How would you describe the primary audience of your product?

quackr's answer

Our primary audience consists of privacy conscious professionals, digital marketers, and cybersecurity enthusiasts. This includes social media managers managing multiple accounts, developers testing authentication flows, and individuals who want to secure their personal data against data breaches. They are users who value their digital footprint and are willing to invest in secure, private verification methods.

Why should a person choose your product over its competitors?

quackr's answer

Competitors often provide recycled, spam filled numbers that fail verification checks. Users choose Quackr because we offer guaranteed privacy. With our paid rental option, users get a dedicated number that is theirs alone no shared messages, no interference. We combine the ease of a "one click" free service with the professional reliability of a paid private line, giving users the best of both worlds.

User comments

Share your experience with using quackr and CloudGPU.app. For example, how are they different and which one is better?

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Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

quackr 49 mentions
CloudGPU.app 0 mentions
  • Ask HN: Is there a temp phone number like temp email?
    There are lots of them: https://quackr.io/ https://receive-smss.com/ https://sms24.me/ https://temp-number.com/ https://onlinesim.io/. - Source: Hacker News / about 1 year ago
  • Did people really use "burner phones"?
    I'm also curious because it seems like using a phone with no strings attached today seems almost impossible unless you get an actually old phone, which either works poorly or costs a lot as part of a retro collection or something. Even... Source: about 3 years ago
  • I'm back and the chair has never been stronger.
    You can also take this poll over at bettor edge, and whichever team gets the most votes, will get an extra 5k donated to their respective charity (the loser will still get a 1k donation). So if you are so inclined, head over there and... Source: about 3 years ago

View more

Tracking CloudGPU.app since Sep 2026.

Alternatives to quackr and CloudGPU.app

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