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https://open-gpt.app/ VS Utilorax

Compare https://open-gpt.app/ VS Utilorax and see what are their differences

https://open-gpt.app/

Create ChatGPT Application in seconds

Rating
0 reviews
Alternatives Is it good?
Utilorax

1,164 free online calculators, converters and tools — finance, health & math calculators, 652+ unit converters, plus text, PDF, image, SEO and QR tools. Fast, private, no sign-up.

Rating
0 reviews
Pricing
Freemium $4.99 / Monthly (Starter — 5,000 API requests/month)
Alternatives Is it good?
Dividend Payout Calculator
Alternative to dividend calculators that only show a final number: a free year-by-year payout table with yield on cost and DRIP compounding. sponsored

Which is more popular?

Based on our record, Utilorax seems to be more popular. It has been mentioned 1 time since March 2021.

social mentions
0 vs 1

Base details

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

https://open-gpt.app/
Utilorax
Website open-gpt.app utilorax.com
Pricing —
Freemium $4.99 / Monthly (Starter — 5,000 API requests/month) Official pricing
Platforms —
Web
Company — Startup from Pakistan · 1 - 9 employees · 2026
Listed in —
Utilities Online Converters Calculators PDF Tools Image Tools +2

About https://open-gpt.app/ and Utilorax

In their own words, as submitted to SaaSHub.

https://open-gpt.app/
Utilorax

No description of https://open-gpt.app/ yet.

Utilorax is a collection of 1,100+ free online tools: 116 calculators, 652 unit converters, and 394 text, developer, SEO, image, PDF and template utilities. Everything runs inside the browser. Files are processed locally and are never uploaded to a server, so PDFs, images and documents stay on...

Read more about Utilorax

Features and specs

What each product offers, as listed by its team.

https://open-gpt.app/ 5 features
Utilorax 7 features
  • Accessible AI Chat Interface
    Provides a user-friendly web-based interface for interacting with GPT-based AI models without needing to set up API access or coding knowledge.
  • No Installation Required
    Being a web application, it can be used directly from a browser without downloading or installing any software.
  • Potentially Free or Low-Cost Access
    Many GPT wrapper sites like this offer free tiers or lower-cost access compared to official API pricing, making AI chat more accessible to casual users.
  • Quick Setup
    Users can typically start chatting almost immediately after visiting the site, with minimal account creation or configuration steps.
  • Cross-Platform Compatibility
    Since it runs in a browser, it can be accessed from various devices including desktops, tablets, and smartphones without platform-specific versions.

Possible disadvantages

  • Uncertain Reliability
    Third-party GPT wrapper websites often depend on underlying API access that can be unstable, rate-limited, or discontinued without notice, affecting consistent availability.
  • Data Privacy Concerns
    Using an unofficial third-party service to process conversations raises questions about how user data and conversation history are stored, used, or shared.
  • Limited Transparency
    It may be unclear which underlying AI model version is being used, how up-to-date it is, or what modifications have been made to the base model's behavior.
  • Potential Hidden Costs or Ads
    Free-to-use AI wrapper sites often monetize through ads, premium upsells, or data collection, which may not be clearly disclosed to users upfront.
  • Lack of Official Support
    Unlike official AI platforms, unofficial wrapper sites may lack dedicated customer support, regular updates, or accountability if issues arise.
  • Tools
    1,162 — 116 calculators, 652 unit converters, 394 utilities
  • Processing
    Client-side — files never leave the browser
  • Account
    Not required for any tool
  • Offline Mode
    Installable as a PWA, works without a connection
  • Languages
    English, Spanish, French, Portuguese, Chinese
  • Developer API
    256+ JSON endpoints, 500 requests/month on the free key
  • Dark Mode

Analysis

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

https://open-gpt.app/
Utilorax

Overall verdict

  • I don't have verified, up-to-date information about open-gpt.app, and I'm unable to browse the internet to check its current status, reputation, or legitimacy. I cannot confidently vouch for or against this specific product/service.

Why this product is good

  • I lack real-time access to verify this website's current content, reputation, or user reviews
  • Domain names and their associated services can change ownership and purpose over time
  • Without verification, I cannot confirm if this is a legitimate service, its features, or its safety
  • There are many similarly-named AI tools of varying quality and trustworthiness, making specific verification important

Recommended for

  • Before using this site, research current user reviews on trusted platforms
  • Check the site's SSL certificate, privacy policy, and terms of service
  • Look for verified information about the company or developers behind it
  • Consider well-established alternatives like ChatGPT (OpenAI), Claude (Anthropic), or Gemini (Google) if you need reliable AI assistance
  • Exercise caution with any site requesting payment or personal information without clear verification of legitimacy

No analysis of Utilorax yet.

Videos

Walkthroughs and reviews on video.

https://open-gpt.app/ 0 videos + Add
Utilorax 1 video + Add

No https://open-gpt.app/ videos yet. You could help us improve this page by suggesting one.

Utilorax — Free Online Tools

Questions & Answers

As answered by people managing https://open-gpt.app/ and Utilorax.

What makes your product unique?

Utilorax's answer:

Two things. First, most of the tools never send your data anywhere — 63 of the file tools run entirely in your browser, and the ones that do need a server (certain PDF and Office conversions) delete the file the moment they are done. Second, the same operations are available as a free JSON API with 203 endpoints, which almost no free tools site offers.

Add to that 1,162 tools in one place, no account for anything, five languages, and it installs as a PWA and keeps working offline.

Why should a person choose your product over its competitors?

Utilorax's answer:

The competitors listed here are each good at one thing — Calculator.net and Omni for calculators, IT Tools and CodeBeautify for developer utilities, 10015.io for the everyday mix. Utilorax covers that whole span in one place, so you are not learning a new site for each small job.

The real difference is the developer API. If you need a conversion or a hash once, use the page; if you need it a thousand times, the same thing is a JSON endpoint with a free key. And nothing asks you to sign up first.

How would you describe the primary audience of your product?

Utilorax's answer:

Two groups. Most visitors want a single answer and then to leave — convert a unit, work out a loan payment, compress a PDF — and they should not have to create an account for that.

The second group is developers, who reach the same operations through the JSON API instead of the page. The site is in English, Spanish, French, Portuguese and Chinese, so a good part of the audience is not reading in English.

What's the story behind your product?

Utilorax's answer:

It came out of irritation. I kept opening a different site for every small job — one for a unit conversion, one to compress an image, one to count words — and most of them wanted an upload or a sign-up for something my own browser could do perfectly well.

So I built the whole set in one place and made the browser do the work wherever it could. It went live on 29 July 2026 and is run from Karachi.

Which are the primary technologies used for building your product?

Utilorax's answer:

  • PHP 8.2 on the server
  • Vanilla JavaScript, no front-end framework
  • WebAssembly and the Canvas API for in-browser audio, image and font processing
  • MySQL
  • Progressive Web App with a service worker for offline use

User comments

Share your experience with using https://open-gpt.app/ and Utilorax. 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.

https://open-gpt.app/ 0 mentions
Utilorax 1 mention

Tracking https://open-gpt.app/ since Jul 2023.

  • My robots.txt check passed for six days on an attacker's robots.txt
    Preg_match_all('~^\s*Sitemap:\s*(\S+)~mi', $robots, $sm); $ours = 'https://utilorax.com/sitemap.xml'; $foreign = array_filter($sm[1], fn($u) => rtrim($u) !== $ours); If (!in_array($ours, $sm[1], true)) { $problems[] = 'robots.txt... - Source: dev.to / 14 days ago
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