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StrataScratch VS reefnotes

Compare StrataScratch VS reefnotes and see what are their differences

StrataScratch

StrataScratch is a data science interview platform that has over 1000+ real interview questions from top tech companies like Facebook, Amazon, Google, and more.

Rating
0 reviews
Alternatives Is it good?
reefnotes

The free aquarium logbook that forecasts your water parameters.

Rating
0 reviews
Pricing
Free Free trial
Alternatives Is it good?
EatAWhale
A habit and interest tracker for everything you care about. Set your own cadence, daily to monthly, and streaks follow your schedule. Buy once for $21, no subscription. sponsored
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.

Which is more popular?

Based on our record, StrataScratch seems to be more popular. It has been mentioned 4 times since March 2021.

social mentions
4 vs 0
Interview Preparation popularity
100% vs 0%
alternatives listed
30 vs 2

Base details

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

StrataScratch
reefnotes
Website stratascratch.com reefnotes.com
Pricing
Official pricing
Free Free trial
Company — Startup from Germany · 2026
Listed in
Data Science Coding Online Learning Interview Preparation +1
Pet Care Hobby Productivity

About StrataScratch and reefnotes

In their own words, as submitted to SaaSHub.

StrataScratch
reefnotes

No description of StrataScratch yet.

reefnotes is a calm aquarium logbook that runs in your browser — nothing to install, works on every device. Log every water test, water change and dose in one place. reefnotes draws the trend, learns your water-change rhythm as the logbook fills, and shows you where a value is heading before the...

Read more about reefnotes

Analysis

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

StrataScratch
reefnotes

Overall verdict

  • StrataScratch is a solid, well-regarded platform for practicing real-world data science and SQL interview questions, offering a large question bank sourced from actual company interviews.

Why this product is good

  • Large library of real interview questions from companies like Amazon, Google, Meta, and Netflix
  • Strong focus on SQL and Python coding challenges relevant to data science and analytics roles
  • Provides detailed solutions, explanations, and community discussions to aid learning
  • In-browser coding environment lets you test queries and code without local setup
  • Questions are categorized by difficulty and topic, making structured practice easier
  • More affordable than many bootcamps or specialized interview prep courses

Recommended for

  • Aspiring data scientists and data analysts preparing for job interviews
  • Professionals looking to sharpen their SQL and Python data-manipulation skills
  • Job seekers targeting FAANG and other tech companies' data roles
  • Students and self-learners who want hands-on, practical problem sets
  • Anyone wanting to practice with real company interview questions rather than abstract exercises

No analysis of reefnotes yet.

Videos

Walkthroughs and reviews on video.

StrataScratch 2 videos + Add
reefnotes 0 videos + Add

Practice Writing SQL Queries on StrataScratch | How to Solve SQL Queries

More videos

  • - Amazon SQL Interview Question for Data Scientists and Data Analysts (StrataScratch 10322)

No reefnotes videos yet. You could help us improve this page by suggesting one.

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
StrataScratch
reefnotes
100% 100%
Interview Preparation
0% 0%
0% 0%
Productivity
100% 100%
100% 100%
Online Learning
0% 0%
0% 0%
Pet Care
100% 100%

User comments

Share your experience with using StrataScratch and reefnotes. For example, how are they different and which one is better?

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Reviews and articles

External articles and on-site reviews we used to compare the two products.

StrataScratch no reviews yet
reefnotes no reviews yet

We have no reviews of reefnotes yet. Be the first one to post

Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

StrataScratch 4 mentions
reefnotes 0 mentions
  • Best one-stop-shop for SQL for data analysis / science?
    StrataScratch is focused on providing data analysis/science resources needed to land a job and resources for the first few years of your career. It has 600+ coding questions from real interviews where you can use SQL, python, or R. It... Source: over 3 years ago
  • Recommendations for Learning SQL
    I learned off of Mode Analytics SQL tutorial. It's free and I use it as a reference when I forget syntax. From there, my learning style is to grind on practical questions that I would get as a data analyst. So I would recommend... Source: over 3 years ago
  • How do i practice SQL to be real world ready?
    There was a comment here about using Leetcode, Hackerrank, SQL fiddle, etc to keep learning SQL. However, if you're aim is to go into data analytics you need to go beyond learning syntax and understand edge cases and business context.... Source: over 3 years ago

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Tracking reefnotes since Sep 2026.

Alternatives to StrataScratch and reefnotes

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