Software Alternatives, Accelerators & Startups

Stackra.app VS Level Devil

Compare Stackra.app VS Level Devil and see what are their differences

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Stackra.app logo Stackra.app

Stackra - Know what to fix first on your website

Level Devil logo Level Devil

Play Level Devil and let the seemingly innocent platformer surprise you with devious secrets. Think you can beat these devilish challenges? Prove it!
  • Stackra.app Stackra audit dashboard
    Stackra audit dashboard //
    2026-08-07
  • Stackra.app Web Analytics and Indexing
    Web Analytics and Indexing //
    2026-08-07
  • Stackra.app OpenWeb benchmarks and analytics
    OpenWeb benchmarks and analytics //
    2026-08-07

Stackra is a website and SEO audit built for small business owners, agencies, and developers. Run one scan and get a Growth Readiness Score, AI expert reviews, and a prioritized action plan showing what to fix first. Stackra detects your platform, including WordPress, Shopify, Wix, Squarespace, and Webflow, then scopes recommendations to what you can actually control. Each scan includes a CMO review for messaging and conversion, an SEO/GEO review for Google and AI visibility, and a CTO review for Core Web Vitals, performance, and security. Free users get a full report plus focused tools for speed, Core Web Vitals, tech detection, schema, technical SEO, robots.txt, sitemaps, and platform SEO checks. Paid plans unlock competitor analysis, Google Search Console and GA4 analytics, keyword and query insights, index status tracking, PDF reports, shareable reports, and historical progress tracking.

Not present

Stackra.app

$ Details
freemium
Release Date
2026 February
Startup details
Country
United States
State
MN
City
Woodbury
Founder(s)
Luke Beck
Employees
1 - 9

Level Devil

Pricing URL
-
$ Details
-
Release Date
-

Stackra.app features and specs

  • Website Scan
    Full multi-page crawl with results delivered to your account
  • Growth Readiness Score
    0โ€“100 composite score across Conversion, Search Visibility, and Technical health
  • AI Persona Reviews
    Independent assessments from a CMO, SEO Expert, and CTO perspective
  • Action Plan
    Prioritized recommendations ranked by business impact
  • Tech Stack Detection
    Identifies CMS, hosting, analytics, page builders, and third-party scripts
  • Core Web Vitals
    LCP, CLS, FID, TTFB, and mobile performance metrics
  • Benchmark Comparison
    Score your site against industry and platform averages
  • PDF Report
    Shareable, branded report export (paid plans)
  • Link Health Audit
    Crawls internal and external links for broken or risky links
  • Structured Data Audit
    Detects and validates JSON-LD schema markup

Level Devil features and specs

  • Simple and Addictive Gameplay
    Level Devil features straightforward platformer mechanics that are easy to pick up but hard to master, making it highly addictive for players of all skill levels.
  • Unpredictable Challenges
    The game constantly surprises players with unexpected traps, shifting floors, and moving obstacles that keep the gameplay fresh and exciting throughout each level.
  • Free to Play
    Level Devil is accessible as a free browser-based game, meaning anyone can play it without needing to download software or pay for access.
  • Minimalist Design
    The clean, minimalist art style and simple controls make the game visually appealing and easy to understand without cluttered interfaces or overwhelming graphics.
  • High Replayability
    The difficulty and unpredictable nature of the traps encourage players to replay levels multiple times, providing a satisfying sense of accomplishment when finally completing a tough stage.

Possible disadvantages of Level Devil

  • Extremely Frustrating Difficulty
    The game's reliance on surprise traps and sudden deaths can feel unfair, leading to significant frustration especially for players who prefer skill-based challenges over trial-and-error gameplay.
  • Repetitive Mechanics
    Despite the surprise elements, the core gameplay loop of running, jumping, and dodging traps can become repetitive over extended play sessions with limited variety in mechanics.
  • Limited Content Depth
    As a simple browser game, Level Devil lacks the depth of a full platformer โ€” there are no storylines, character progression, or complex level design elements to keep players engaged long-term.
  • Trial-and-Error Design
    Many traps are nearly impossible to avoid on a first attempt, meaning success often depends on memorization rather than genuine skill, which can feel cheap and unsatisfying.
  • No Save or Progress System
    The game may lack robust save or checkpoint systems, meaning players can lose significant progress and have to redo sections they have already completed, adding to the frustration factor.

Analysis of Stackra.app

Overall verdict

  • I don't have verified, specific information about Stackra.app (stackra.app) in my knowledge base, so I can't confirm details about its features, pricing, reliability, or user reputation. I'd be fabricating specifics if I claimed to evaluate it directly.

Why this product is good

  • No confirmed data available on this specific product's functionality or track record
  • Unable to verify company legitimacy, user reviews, or security practices from available information
  • Cannot confirm pricing, feature set, or how it compares to established alternatives in its category

Recommended for

  • Before using this service, research directly: check the website for clear information about the company, team, and business model
  • Look for independent reviews on trusted platforms like Trustpilot, G2, or Reddit
  • Verify security practices, especially if it handles payments or personal data
  • Check for a clear privacy policy, terms of service, and contact information
  • Consider reaching out to their support team with questions before committing, especially for paid plans

Analysis of Level Devil

Overall verdict

  • Level Devil is a solid pick if you enjoy short, trick-filled platformer challenges that test reflexes and pattern recognition rather than deep storytelling or graphics.

Why this product is good

  • Free to play directly in the browser with no downloads required
  • Clever trap-based level design that keeps gameplay unpredictable and engaging
  • Short levels make it easy to pick up and play in quick sessions
  • Trial-and-error mechanics offer a satisfying sense of progression as you learn each stage
  • Lightweight and runs smoothly even on lower-end devices

Recommended for

  • Casual gamers looking for quick, bite-sized challenges
  • Fans of trap and puzzle-platformer games similar to Troll Face Quest or Happy Wheels
  • Players who enjoy trial-and-error style difficulty
  • Anyone wanting a free browser game with no installation needed
  • Users looking to kill a few minutes with light, humorous gameplay

Category Popularity

0-100% (relative to Stackra.app and Level Devil)
Website Testing
100 100%
0% 0
Game Tools
0 0%
100% 100
Website Monitoring
100 100%
0% 0
Free Games
0 0%
100% 100

Questions & Answers

As answered by people managing Stackra.app and Level Devil.

What makes your product unique?

Stackra.app's answer

Most website audit tools hand you a Lighthouse report and walk away. Stackra is different in three ways. It knows your platform: Stackra detects whether your site runs on WordPress, Shopify, Wix, Squarespace, or Webflow and limits every recommendation to changes you can actually make on your specific setup. It reviews your site the way a consultant would: a CMO review checks messaging, trust signals, and CTAs; an SEO and GEO review covers traditional search and AI search visibility in ChatGPT and Perplexity; a CTO review covers Core Web Vitals, performance, and security. Then it tells you what to fix first: everything compiles into a Growth Readiness Score (0-100) and a prioritized action plan, not an exhaustive issue dump.

Why should a person choose your product over its competitors?

Stackra.app's answer

Stackra is the only free website grader that covers platform-aware recommendations, AI search visibility (GEO), and three expert perspectives in one report. SEOptimer starts at $19/month with no free plan. Sitechecker starts at $49/month, trial only. HubSpot's Grader checks your homepage and gives you four scores. Stackra crawls up to 20 pages, detects your platform, and delivers three AI expert reviews with a ranked action plan. Free to start, no credit card required.

How would you describe the primary audience of your product?

Stackra.app's answer

Small business owners, solo founders, and early-stage teams who want a clear diagnostic and action plan without agency costs or ongoing subscriptions. Typically owners and operators without an in-house marketing or technical team who want to know why their site isn't converting and what to do about it.

What's the story behind your product?

Stackra.app's answer

Stackra came from a simple frustration: the best website analysis tools are built for SEO agencies running dozens of audits a month, not the business owner who wants to understand their own site. We built Stackra to give small businesses the same quality of analysis that larger companies pay consultants thousands of dollars for, free.

Which are the primary technologies used for building your product?

Stackra.app's answer

Typescript, React, Node.js, PostgreSQL, Playwright for headless browser crawls, and OpenAI for the AI persona reviews.

Who are some of the biggest customers of your product?

Stackra.app's answer

Stackra is a free tool built for SMB owners, so our users span local service businesses, e-commerce stores, professional services firms, and early-stage SaaS startups. We built it for the owner-operator, not the enterprise.

User comments

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