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

Snug Safety
Kitestring
bsafe
Dooinwell
OnGuardHelp
SmartWatcher
TapOkie
Miss a check-in and we alert your emergency contacts by SMS, email, and voice — even when your phone is off.

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 | beaconsafe.app |
| Pricing | — | |
| Platforms | — | |
| Company | — | Startup from the United States · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Learn JavaScript yet.
Beacon Safe is a personal-safety check-in app — a modern dead man's switch. Set a daily check-in; if you don't confirm, it reaches your emergency contacts by email, SMS, then an automated voice call in a four-phase escalation. Unlike Kitestring, Snug Safety, or bSafe, it never tracks your...
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
Overall verdict
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Walkthroughs and reviews on video.
Learn JAVASCRIPT in just 5 MINUTES (2020)
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Learn JavaScript and Beacon Safe.
Beacon Safe's answer:
Three real alert channels — email, SMS, and an automated voice call — instead of one. The check-in timer runs on our servers, so alerts still fire if your phone is dead, off, or lost. And it never tracks your location; it only acts when you miss a check-in.
Beacon Safe's answer:
Unlike Kitestring (discontinued), single-email tools, or $15–20/mo apps, Beacon Safe reaches your contacts across email, SMS, and voice in a four-phase escalation, runs server-side so it works phone-off, and costs $7.99/mo. No location tracking, ads, or data sale.
Beacon Safe's answer:
People who live alone, solo travelers, night-shift and lone workers, and seniors — plus the family members who worry about them. Anyone who wants someone alerted automatically if they go silent.
Beacon Safe's answer:
After Kitestring shut down, the remaining "check in or we alert someone" options were either single-channel or expensive. Beacon Safe — built by Copperline Labs, a solo studio — is the version that does email + SMS + voice, runs server-side, and respects privacy.
Beacon Safe's answer:
Beacon Safe is a native iOS and Android app backed by a secure server-side system that runs the check-in timer and fires alerts. We use established, compliance-grade infrastructure for SMS, voice, and email delivery. All data is encrypted in transit and at rest, we collect no location data, and we never sell or share your information.
Share your experience with using Learn JavaScript and Beacon Safe. 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 Beacon Safe since Jun 2026.
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