Software Alternatives & Startups

H1B Data Hub VS Sing App React Java

Compare H1B Data Hub VS Sing App React Java and see what are their differences

H1B Data Hub

Search H-1B visa salary data from DOL. Find salaries by company, job title, and location.

Rating
0 reviews
Pricing
Free Free trial
Sing App React Java

React Admin Dashboard Template with Java Backend

Rating
0 reviews
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.

Base details

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

H1B Data Hub
Sing App React Java
Website h1bdatahub.com flatlogic.com
Pricing
Free Free trial
—
Company Startup from the United States · 1 - 9 employees · 2026 —
Listed in —

About H1B Data Hub and Sing App React Java

In their own words, as submitted to SaaSHub.

H1B Data Hub
Sing App React Java

Free, no-login access to 3.2M+ H-1B salary records from the U.S. Department of Labor with specialized tools like lottery calculator, salary benchmarking, and company comparison—all independently operated and supported by advertising rather than premium paywalls.

Read more about H1B Data Hub

No description of Sing App React Java yet.

Features and specs

What each product offers, as listed by its team.

H1B Data Hub 2 features
Sing App React Java 0 features
  • Salary Data
    We have official DOL salary data from 2020 till now.
  • State Data
    You can view each state H1b data.

No features have been listed yet.

Analysis

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

H1B Data Hub
Sing App React Java

No analysis of H1B Data Hub yet.

Overall verdict

  • Sing App React Java by Flatlogic is a solid, well-structured admin dashboard template that pairs a modern React frontend with a Java (Spring Boot) backend, making it a good choice for developers who want a ready-made full-stack starter kit rather than building an admin panel from scratch.

Why this product is good

  • Combines a React frontend with a Java/Spring Boot backend, giving a complete full-stack boilerplate out of the box
  • Includes pre-built UI components, charts, tables, and forms that speed up dashboard development
  • Clean and modern design that follows common admin panel UX patterns
  • Comes with authentication and basic CRUD operations already implemented
  • Good documentation and support from Flatlogic for setup and customization
  • Regularly maintained and updated to keep dependencies current
  • Affordable compared to hiring a developer to build a similar boilerplate from scratch

Recommended for

  • Developers who want a quick-start template for building admin panels or internal tools
  • Teams building SaaS products that need a Java backend paired with a React UI
  • Freelancers or agencies looking to speed up client project delivery with a pre-built dashboard
  • Startups wanting to prototype an admin interface without investing heavily in initial UI/UX design
  • Java developers who prefer Spring Boot but want a modern JavaScript frontend without building it themselves

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
H1B Data Hub
Sing App React Java
100% 100%
0% 0%
100% 100%
0% 0%
100% 100%
H1B
0% 0%
100% 100%
0% 0%

Questions & Answers

As answered by people managing H1B Data Hub and Sing App React Java.

Why should a person choose your product over its competitors?

H1B Data Hub's answer

Comprehensive dataset across employer, job title, and location dimensions with approval rate and filing volume trends Practical tools for job seekers to calculate lottery odds, benchmark pay, and verify underpayment against real filings Employer rankings by sponsorship volume, highest paying companies, and best approval rates Clean, straightforward interface optimized for quick salary lookups and comparisons Transparent methodology: hourly wages normalized to annual equivalents, salaries capped at $1M to exclude outliers

How would you describe the primary audience of your product?

H1B Data Hub's answer

Job seekers on H-1B visas researching salary benchmarks and evaluating sponsors International students identifying U.S. employers with H-1B sponsorship history Employers evaluating competitive wage levels for H-1B positions Researchers and policy analysts studying immigration labor trends Immigration attorneys and consultants advising clients on visa petitions

What makes your product unique?

H1B Data Hub's answer

Free, no-frills access to millions of H-1B salary records from the U.S. Department of Labor (3.2M+ filings, 190K companies) Purpose-built tools beyond basic search: lottery odds calculator, salary benchmarking, case status tracker, company comparison, and trend analytics Normalized, clean data processed directly from DOL LCA disclosure files with standardized employer names and consistent salary calculations No login required — instantly searchable database with quarterly updates Independent platform focused purely on transparency, supported by display advertising rather than premium tiers

What's the story behind your product?

H1B Data Hub's answer

H1B Data Hub exists to make U.S. H-1B visa salary data freely accessible and easy to understand. The platform processes raw Labor Condition Application (LCA) disclosure files published quarterly by the U.S. Department of Labor's Office of Foreign Labor Certification, standardizing and normalizing this public data for accessibility. It is an independently operated platform based in Marietta, Georgia, with no affiliation to government agencies, built for transparency in the H-1B labor market.

Which are the primary technologies used for building your product?

H1B Data Hub's answer

Based on the platform architecture, the tech stack likely includes:

Node.js/Next.js or similar modern web framework (indicated by responsive, interactive interface) PostgreSQL or similar database for storing 3M+ indexed records Search optimization (likely Elasticsearch or similar) for fast filtering across 190K employers and 460K job titles Quarterly automated data pipeline to process and normalize DOL LCA files Interactive charting/visualization libraries for trend analytics and salary distributions

Who are some of the biggest customers of your product?

H1B Data Hub's answer

University, College Graduate, People on VISA

User comments

Share your experience with using H1B Data Hub and Sing App React Java. For example, how are they different and which one is better?

Log in or Post with

Alternatives to H1B Data Hub and Sing App React Java

When comparing H1B Data Hub and Sing App React Java, you can also consider the following products.