Build a Real-time Chat App with Cloud Firestore — PickAClass
⏱ 2h 54m 📚 29 lessons 🎧 Audio version

Build a Real-time Chat App with Cloud Firestore

Learn to develop dynamic, real-time applications with Cloud Firestore, enabling interactive user experiences for web and mobile.

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  • 🌐 In English
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About this course

Modern applications thrive on instant updates and seamless user interaction. Discover how to power these experiences with a robust, scalable database solution. This course guides you through the process of developing a functional real-time chat application, providing a foundational understanding of Cloud Firestore and its capabilities for dynamic data management. What you'll learn: Understand foundational NoSQL database concepts and Cloud Firestore architecture. Model data effectively for real-time chat applications and user profiles. Implement real-time data synchronization and listeners for instant updates. Apply essential security rules to protect your data and manage user access. Configure basic indexing strategies for efficient query performance. Practice robust data validation and error handling for reliable application behavior. Starting with core database principles, this course progresses through practical steps to design, build, and secure a real-time chat application, reinforcing concepts with written exercises. This course is designed for absolute beginners with no prior experience in Cloud Firestore or NoSQL databases. A basic understanding of programming logic is recommended. Begin your journey to building responsive, data-driven applications today.

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 💬 Personal AI tutor
    Stuck on a lesson? Ask your built-in tutor anything, any time.
  • 🎧 Audio version included
    Learn on the go — no screen needed
  • ♾️ Lifetime access
    Come back anytime, no expiry
  • 📱 Phone or computer
    Works anywhere, any device
  • 💸 14-day refund
    No questions asked
  • Short & focused
    2h 54m of practical content

Certificate of completion

Every course you complete on PickAClass issues a credential like this — original, with its own code, verifiable by URL, and detailed about what was actually demonstrated.

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Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
Build a Real-time Chat App with Cloud Firestore
Skills demonstrated
Behavioral pattern analysis
Foundational
1.2 hrs
Decision-architecture frameworks
Proficient
1.4 hrs
A/B test design
Proficient
1.7 hrs
Behavioral copywriting
Advanced
1.9 hrs
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PickAClass — Name Surname
Build a Real-time Chat App with Cloud Firestore
Page 2 of 2
Performance detail
Coursework summary
Lessons completed 14 / 14
Practice questions 26 / 28
Assignments submitted 4 (avg 4.5 / 5)
Capstone project Reviewed — 4.6 / 5
Total practice 6.2 hrs
Performance benchmark
Cohort rank Top 12% of 1,625
Time to completion 11 days (median: 22)
Mastery score 91 / 100
Practice-question score 94%
Skill verification Verified Skill Path
Verify this credential
pickaclass.com/certificates/PCC-2026-X4F7-AP19
Issued under the academic standards of PickAClass. Skill levels reflect assessed performance against the course's competency rubric. This is an original credential of this platform.

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Frequently asked

What do I need to take this course? +

Just a phone or computer with internet. No installs, no special hardware.

How do I pay? +

By card via Stripe. We don’t store card details — Stripe handles them securely.

Can I get a refund? +

Yes — full refund within 14 days, no questions asked.

How long will I have access? +

Forever. Once you purchase, the course is yours to revisit anytime.

Will I get a certificate? +

Yes. On completion you'll receive a certificate you can add to your LinkedIn profile.

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