Quick skill test · 20 questions · 20 minutes · Free

Firebase Quiz

Tests practical Firebase skills — Authentication, Cloud Firestore data modelling and queries, Security Rules, Cloud Functions and Hosting, and app quality tools such as Analytics, Crashlytics, Remote Config, Cloud Messaging and App Check. Pass to earn Firebase SOA-FIR.

What is the Firebase Quiz?

The Firebase Quiz is a free intermediate-level, 20-minute skill test from Science of Apps. It tests practical Firebase skills — Authentication, Cloud Firestore data modelling and queries, Security Rules, Cloud Functions and Hosting, and app quality tools such as Analytics, Crashlytics, Remote Config, Cloud Messaging and App Check. Score 70% or more on its 20 questions to earn a verifiable Firebase certificate (SOA-FIR). Every question is based on published standards and research — including Firebase documentation (Google), Cloud Firestore documentation (Google), Firebase Security Rules (Google) — and each answer is explained with its source.

Built for your job title

Mobile developer, Web developer, Full-stack developer, Backend developer and Startup engineer — and anyone who wants quick, verifiable proof of Firebase skills for a CV or LinkedIn.

  • Mobile developer
  • Web developer
  • Full-stack developer
  • Backend developer
  • Startup engineer

What the quiz covers

Four skill areas with 5 questions each, drawn from a bank of 10 per area, so a retake brings questions you haven't seen.

  1. 01

    Authentication and Firestore

    25%
    • Firebase Auth
    • Data model
    • Queries
  2. 02

    Security Rules

    25%
    • Rule basics
    • Auth checks
    • Validation
  3. 03

    Functions, Hosting and Quality

    25%
    • Cloud Functions
    • Hosting
    • Analytics and messaging
  4. 04

    Storage and Performance

    25%
    • Cloud Storage
    • Firestore performance
    • Extensions and monitoring

Independent skills test. Science of Apps is not affiliated with, endorsed by or sponsored by Google LLC. Product and exam names are trademarks of their owners. Passing earns a Science of Apps certificate, not a certification issued by Google LLC.

Based on published standards

The questions are original scenarios, and each one names the public standard, official guide or research it draws on — shown under the question while you answer, and linked in your review. These are the sources behind this quiz:

Try a sample question

A Firestore rule that says allow read, write: if true; in production means

  1. only admins in the console can access it
  2. the database is locked for everyone
  3. anyone on the internet can read and change the data
  4. only signed-in users can access the data
Show the answer

C. anyone on the internet can read and change the data — Never ship open rules. The real quiz has 20 questions like this.

How the quiz works

  1. 20 minutes, 20 questions

    One question per screen, with a progress bar and a countdown. Your progress is saved on this device if you need to pause.

  2. Graded on our server

    Answers reach the page only after you submit, so the certificate can only be earned by passing.

  3. Every answer explained

    Pass or not, you see every question with the right answer, why, and the source behind it. Pass mark 70%, distinction 90%.

  4. Your certificate

    Founder-signed, with a QR code and credential ID. Download PDF or PNG, add to LinkedIn, and it's emailed to you.

What you earn

A Science of Apps certificate for Software Engineering & Web Development: ivory paper with a gold medal
LinkedIn-ready certificate

Pass, then add it to LinkedIn in one click

No typing. The Add to LinkedIn button opens your profile’s Licenses & certifications form already filled in: the certificate name, Science of Apps as the issuer, the issue date, your credential ID and a link recruiters can use to verify it.

  1. 1Take the 20-minute test
  2. 2Score 70% or more
  3. 3Click Add to LinkedIn
Free · no sign-up · also emailed to you as a PDF
How it shows on your LinkedIn profile

See every Software & web dev certification and test →

Frequently asked questions

What is the Firebase Quiz?

The Firebase Quiz is a free intermediate-level, 20-minute skill test from Science of Apps. It tests practical Firebase skills — Authentication, Cloud Firestore data modelling and queries, Security Rules, Cloud Functions and Hosting, and app quality tools such as Analytics, Crashlytics, Remote Config, Cloud Messaging and App Check. Score 70% or more on its 20 questions to earn a verifiable Firebase certificate (SOA-FIR). Every question is based on published standards and research — including Firebase documentation (Google), Cloud Firestore documentation (Google), Firebase Security Rules (Google) — and each answer is explained with its source.

How do I take the Firebase Quiz for free?

Read the four skill areas on this page, then take the 20-minute quiz online — no fee, course or sign-up. You see every answer explained when you finish. Score 70% or more and you get a Firebase certificate straight away, on screen, as a PDF and by email, with a credential ID anyone can verify.

Are the Firebase Quiz questions based on real standards?

Yes. The questions are original scenarios written by Science of Apps, and each one is based on a public source you can read: Firebase documentation (Google); Cloud Firestore documentation (Google); Firebase Security Rules (Google); Best practices for Cloud Firestore (Google); Cloud Storage for Firebase (Google); Firebase Authentication (Google). The source is shown under each question and linked in the answer review. Science of Apps doesn't copy questions from other tests.

What does the Firebase Quiz cover?

Four skill areas with five questions each, drawn from a bank of 10 per area so a retake brings new questions: Authentication and Firestore (Firebase Auth, Data model and Queries); Security Rules (Rule basics, Auth checks and Validation); Functions, Hosting and Quality (Cloud Functions, Hosting and Analytics and messaging); Storage and Performance (Cloud Storage, Firestore performance and Extensions and monitoring). Every question is an original scenario based on a published standard, official documentation or research, named under the question.

Who should take the Firebase Quiz?

Mobile developer, Web developer, Full-stack developer, Backend developer and Startup engineer. It suits anyone who wants a quick, verifiable way to show Firebase skills, from students and career switchers to experienced professionals.

Can I use this for firebase interview questions, firestore quiz or firebase practice questions?

Yes. The Firebase Quiz is free and covers all of these: 20 scenario questions in 20 minutes, each answer explained with the source it comes from, so it works as interview and exam practice. It isn't a full course, so use the areas you miss as your study list. Scoring 70% or more earns a verifiable certificate.

Can I take the Firebase Quiz from any country?

Yes. The quiz is online, in English and free everywhere — people take it from India, the US, the UK, Europe, Africa, Latin America and Asia-Pacific. Your certificate is dated with your own local date and can be verified from anywhere at scienceofapps.com/certification/verify/.

How long is the Firebase Quiz?

20 questions — 5 from each of 4 skill areas — with a 20-minute limit. You need 70% (14 of 20) to pass and 90% for distinction.

How hard is the Firebase Quiz?

We rate it Intermediate: assumes hands-on experience in the role. It has 20 scenario questions — 5 from each of 4 skill areas — and a 20-minute limit. You need 70% (14 of 20) to pass and 90% for distinction.

How much do Science of Apps certifications cost?

Nothing. There is no fee to take a test, to receive the certificate, to have it emailed or to verify it, and no sign-up.

How are the tests graded?

On our server, not in your browser. The answers never reach the page until you submit, so a certificate can only be earned by passing. Each certificate gets a unique credential ID stored by Science of Apps.

What happens if I don't pass?

You see your score for each area and every question with the correct answer and why, with the published source behind it. You can retake after 30 minutes, and the retake draws questions you haven't seen yet.

Do the certificates expire?

No. Every certificate is dated, so it always shows when you passed. Retake a test any time for a newer date or a higher score.

Can I add the certificate to LinkedIn?

Yes. After you pass, Add to LinkedIn opens the Licenses & certifications form with the certificate name, Science of Apps as the issuer, the issue date, your credential ID and the verification link filled in. You can also download it as a PDF or PNG, and it's emailed to you as a PDF.

How can an employer verify my certificate?

Every certificate has a credential ID and a QR code. Scanning it, or entering the ID at scienceofapps.com/certification/verify/, shows the holder's name, the certification, the score and the issue date from our records.

Are these accredited qualifications?

No. They are Science of Apps' own assessments of applied skill. They aren't issued by a university or standards body, and they work best alongside a portfolio that shows the skills in real work.

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