StrataScratch alternatives

3 tools to consider instead of StrataScratch, shown against it.

StrataScratch Interview Query DataLemur Kaggle Learn
Vendor StrataScratch Interview Query DataLemur Kaggle (Google)
Pricing model Free tier + paid plans Subscription Free tier + paid plans Free
Free tier Yes No Yes Yes
Deployment Cloud Cloud Cloud Cloud
Open source No No No No
Best for Candidates drilling for data analyst or data scientist interviews with company-specific SQL and Python questions. Candidates who want practice tied to a specific employer's known interview format, not just generic question drilling. Candidates drilling SQL and data science fundamentals for interviews on a tight budget. Beginners who want a fast, free, hands-on introduction before tackling a Kaggle competition or public dataset.
Pricing

Free tier gives limited question access; a paid Premium subscription unlocks the full question bank.

Pricing has not been verified yet — see the vendor's site.

Monthly or annual subscription, or a one-time lifetime-access purchase; vendor pricing page could not be fetched to confirm current figures.

Pricing has not been verified yet — see the vendor's site.

Free tier gives limited questions; paid tiers are monthly, annual or a one-time lifetime purchase, with no discounts or trials.

Monthly $15/month
Yearly $60/year
Lifetime $300 one-time

Prices read from the vendor's own page on September 21, 2026. Vendors change prices; check the source before you budget.

Entirely free, no paid tier.

Pricing has not been verified yet — see the vendor's site.

Features
  • SQL and Python coding questions run in a browser-based editor
  • Questions tagged by the company reportedly asking them
  • Product-sense and case-study interview prompts
  • Difficulty filtering and topic categorization
  • Community solution discussions
  • Mock interview practice tools (paid tier)
  • 1,000+ SQL, Python, statistics and ML interview questions
  • 1,600+ company-specific interview guides
  • In-browser code runner with detailed solutions
  • Take-home-style challenge assessments with feedback
  • 40+ hours of interview-prep course content
  • Priority support on paid plans
  • SQL interview questions run in an in-browser editor
  • Data science questions covering statistics, probability and ML
  • Questions attributed to specific companies
  • Free SQL cheat sheet and company-specific interview guides
  • Bundled "Ace the Data Job Hunt" video course (paid tiers)
  • 1:1 coaching call on the lifetime tier
  • Free micro-courses, each completable in a few hours
  • Interactive coding exercises in hosted Jupyter notebooks
  • Covers Python, SQL, pandas, visualization and machine learning
  • Immediate exercise validation and feedback
  • Downloadable, shareable completion certificates
  • Direct on-ramp into Kaggle competitions and public notebooks

In the index now