Comparison
DataScienceHired vs DataLemur
Both platforms help you practice data science interview questions in your browser. Here's an honest look at where each one is stronger — including where we're not.
| DataScienceHired | DataLemur | |
|---|---|---|
| Monthly price | $20/month — everything included | $15/month (or $60/year) — cheaper on pure monthly price |
| Lifetime access | $99 launch price (list $199) | $300 founder-call-and-book bundle — includes a 1-hour founder call and a signed book, not a pure lifetime-access tier |
| Free tier | 35+ free-forever problems across all topics | Beginner SQL only — harder questions are Premium-gated |
| Question bank | 423+ questions (40 free) | ~170 questions (100+ SQL, 70+ data science) |
| Modern ML & AI coverage | 140+ concept questions on LLMs, neural networks, NLP, PyTorch/TensorFlow | Primarily SQL-focused |
| AI mock interviews | 10/month at $20 (trial includes 1) | Not offered |
| 1:1 human coaching | Yes — founder-led sessions & mock interviews | Not offered |
DataLemur pricing and features researched as of August 2026 — not independently verified against their live pricing page. Verify current pricing at datalemur.com/pricing before relying on this comparison.
Choose DataLemur if…
- → You want the cheapest possible monthly price and only need SQL-focused practice.
- → You don't need modern ML or LLM interview coverage.
- → You don't want AI mock interviews or human coaching.
Choose DataScienceHired if…
- → You want to try the full product for 30 days before paying anything.
- → Your interviews cover modern ML — LLMs, transformers, neural networks — not just SQL.
- → You want one simple price ($20/month or $99 once) instead of a three-tier feature matrix.
- → You want the option of real human coaching from the person who built the platform.
Try the whole platform free for 30 days
Every signup gets full Pro access for 30 days — all 423+ questions, solutions, and explanations. No card required. If it's not for you, you've lost nothing.