
Eloquent JavaScript
JavaScript.com
Scrimba
React Tutorial
JavaScript Quiz
Free Code Camp
JavaScript Knowledge Map
Learn JavaScript with guided tests and flashcards

AllergyCard.app
Food Allergy App
Allergify
Spokin
Create and save food allergy alert and emergency alert cards instantly on your phone in 100+ languages. Share offline with restaurant staff and stay safe while dining abroad.

Which is more popular?
Based on our record, Learn JavaScript seems to be more popular. It has been mentioned 48 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | learnjavascript.online | simpleallergyalert.com |
| Pricing | — | |
| Platforms | — | |
| Company | — | Startup from the United Kingdom · 1 - 9 employees · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Learn JavaScript yet.
Simple Allergy Alert - The Food Allergy & Emergency Translation Card App Travel Safely. Eat with Confidence. Try it instantly at app.simpleallergyalert.com, no install required. Create and save food allergy cards and emergency alert cards instantly on your phone. Whether you're a frequent...
What each product offers, as listed by its team.


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


Overall verdict
Why this product is good
Recommended for
No analysis of Simple Allergy Alert yet.
Walkthroughs and reviews on video.
Learn JAVASCRIPT in just 5 MINUTES (2020)
More videos
Simple Allergy Alert Demo
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Learn JavaScript and Simple Allergy Alert.
Simple Allergy Alert's answer:
Instead of relying on multiple tools, it combines personalised allergy translation cards in more than 100 languages, an emergency medical card, and local emergency numbers for the country you’re visiting - all in one app.
Simple Allergy Alert's answer:
People with food allergies who travel, along with parents travelling with allergic children.
Simple Allergy Alert's answer:
Simple Allergy Alert covers every aspect of making servers aware of your allergic restrictions - simply. You can customise your alerts to your specific needs depending on what country you are in, or what kind of restaurant. Add and remove cards as and when you need them.
Simple Allergy Alert's answer:
I have a severe nut allergy myself. After a life threatening anaphylactic reaction while travelling, I got tired of printing allergy cards every time I visited a new country. I built Simple Allergy Alert so I could generate a card on the spot, in the local language, with an emergency card ready in case something went wrong. I use it myself on every trip.
Simple Allergy Alert's answer:
Vite, React, and TypeScript with shadcn/ui components, wrapped in Capacitor for the Android build. The backend runs on Nitro. Custom allergen translations use the Google Cloud Translation API. Payments run through Lemon Squeezy for the web app and Google Play billing for Android.
Share your experience with using Learn JavaScript and Simple Allergy Alert. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


I haven't done this course, but I have been programming with Javascript for about ~1.5years and can build things with React, the best course I found, and I bet it would translate to angular, is learnjavascript.online. Another resource... Source: over 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
Hi everyone! I'm in the very early stages of creating an interactive course and I would like to hear your thoughts on them. So far I've come across Scrimba and Jad Joubran's learn X series of sites (learnjavascript.online,... Source: over 3 years ago
Tracking Simple Allergy Alert since Aug 2026.
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