
ShrimpTank.app
AquaKeeper.app
The free aquarium logbook that forecasts your water parameters.

Learn JavaScript
Learn Git Branching
Deno
Bun.sh
Bootstrap
Learn in an interactive environment.

Which is more popular?
Based on our record, React Tutorial seems to be more popular. It has been mentioned 18 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | reefnotes.com | react-tutorial.app |
| Pricing | — | |
| Company | Startup from Germany · 2026 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


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...
No description of React Tutorial yet.
Walkthroughs and reviews on video.
No reefnotes videos yet. You could help us improve this page by suggesting one.
React Tutorial for Beginners
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using reefnotes and React Tutorial. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Tracking reefnotes since Sep 2026.
I just wanted to know if anybody took both or the react-tutorial.app course. I mostly like the flashcards part of the course. I was thinking of taking the Scrimba course and just using the other courses study materials. Source: about 3 years ago
The Jad Joubran courses on the other hand really upped my skill level and helped me make the jump from passive learning, exercises and very small projects to making legitimate web apps. That was probably the biggest/scariest jump I've... Source: over 3 years ago
I learned through https://react-tutorial.app/ and absolutely loved it. I'm also a hands-on guy. Source: over 3 years ago
When comparing reefnotes and React Tutorial, you can also consider the following products.

Aquarium care app for shrimp keepers
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Learn JavaScript with guided tests and flashcards
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Aquarium Management Application
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"Learn Git Branching" is the most visual and interactive way to learn Git on the web; you'll be challenged with exciting levels, given step-by-step demonstrations of powerful features, and maybe even have a bit of fun along the way.
Compare Learn Git Branching to reefnotes or React Tutorial: