Updated for Summer '26
New to Salesforce admin? Our Salesforce Administrator (ADM-201) exam prep is the usual first step. See our ADM-201 vs App Builder comparison to choose the right certification order. Ready to book? Read our DEV-402 exam tips and study plan.
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Updated for Summer '26
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5× Salesforce Certified · 12+ years in data engineering & Salesforce · Updated for Summer '26
Who is the Platform App Builder exam for?
- Admins levelling up: You passed ADM-201 and want to prove you can design and build custom Salesforce applications using declarative tools.
- Business app builders: You create custom objects, flows, and Lightning pages for your team and want the credential to formalise those skills.
- Aspiring developers: You want to understand declarative boundaries before moving into Apex development and PD1.
Exam Fees & Registration
Exam Fee
$200
One-time registration fee
Retake Fee
$100
If you need to retake the exam
Comparing certs? View all Salesforce exam fees in one place →
Certification Validity
Your Salesforce Certified Platform App Builder certification is valid for 3 years from the date you pass the exam. You'll need to maintain your certification through continuing education or retake the exam.
How to Register
Register for the Salesforce Certified Platform App Builder (DEV-402) exam through the official Salesforce certification portal.
Register for ExamExam data verification: questions, duration, passing score, fees, and section coverage were checked against official source references on .
Official sources: Exam guide·Salesforce exam pricing·Independent prep resource; no braindumps or leaked exam questions.
Salesforce Platform App Builder (DEV-402): Free Practice Exam & Study Guide (Summer '26)
The Platform App Builder certification validates your skills in designing, building, and deploying custom applications on the Salesforce platform.
Recommended Prerequisites
We recommend completing this certification first to prepare you better.
Salesforce Certified Platform App Builder Exam Weightage by Section
Exam Topics
Exam Tips
- 1Data Modeling and User Interface are ~42% combined—master relationships, page layouts, record types.
- 2Business Logic and Process Automation is the largest section; know Flow and validation rules well.
- 3Understand when to use Master-Detail vs Lookup and cascade delete behavior.
- 4Practice creating apps with Lightning App Builder and assigning to profiles.
Prerequisites
- •Platform experience
- •Administrator cert recommended
Focus Areas
- •Data Modeling
- •User Interface (Lightning)
- •Business Logic and Process Automation
- •Reports and Dashboards
Study Strategy
Focus on declarative development: no code.
Build a small app end-to-end (objects, relationships, automation, reports, dashboard).
Align each piece with the exam outline.
Exam Format and First-Attempt Readiness
The Salesforce Certified Platform App Builder exam has 60 questions in 105 min, passing score 63%. Most Salesforce exams test scenario-based decisions — focus on when to use each feature, not just terms.
- Study Business Logic and Process Automation and User Interface first — together they carry 45% of the exam.
- Do timed question sets. Build pacing and confidence.
- Review why wrong answers are wrong. It improves scenario reasoning.
- Book the exam once your mock scores are steady above 63%.
Is the Platform App Builder Exam Hard?
Is the Platform App Builder Exam Hard?
App Builder is considered moderately difficult. It builds on ADM-201 knowledge but goes deeper into data modelling, business logic, and Lightning app configuration.
- 60 multiple-choice questions in 105 minutes.
- 63% passing score — slightly lower than ADM-201, but the questions are harder.
- Scenario-heavy — most questions describe a business requirement and ask which declarative tool solves it.
- No coding required — entirely declarative, but you need to know where declarative ends and code begins.
Pass Rate Guidance
Score 75%+ on 3 timed practice exams before booking. Candidates with hands-on ADM-201 experience and custom app-building practice perform best.
App Builder Exam Format Explained
App Builder Exam Format Explained
The exam is proctored online or at a test centre through Webassessor. Here is the format:
Total Questions
60 scored questions
Time Limit
105 min
Passing Score
63%
Question Type
Multiple-choice & multiple-select
How Many Questions Are Scenario-Based?
About 60-70% of questions are scenario-based. They typically describe a business need and ask which combination of declarative features (objects, relationships, flows, validation rules, page layouts) satisfies it. The hardest scenarios involve choosing between Flow, approval processes, and custom Lightning components.
Best Way to Pass on Your First Attempt
- Master data modelling: Know when to use lookup vs. master-detail, external objects, junction objects, and roll-up summary fields.
- Study Flow Builder deeply: Screen flows, record-triggered flows, scheduled flows, and subflows are the most tested automation topics.
- Know declarative vs. code boundaries: Understand when a requirement exceeds declarative capabilities and needs Apex or LWC.
- Practice Lightning app configuration: Build apps with dynamic forms, Lightning pages, and utility bar components in a Developer Edition org.
How to Pass the Platform App Builder Exam (DEV-402)
The DEV-402 exam is scenario-based — most questions describe a business requirement and ask which declarative tool or configuration best meets it. Understanding when to use each Salesforce feature matters more than memorising field limits.
Data Modelling Scenarios
When a question asks about relationships: use Master-Detail when child records only make sense in the context of the parent (cascade delete, roll-up summaries). Use Lookup when the child can exist independently. Junction objects solve many-to-many — always two Master-Detail relationships, not two Lookups. Roll-up summary fields only work on Master-Detail relationships.
Automation Decision Tree
For most automation questions, the answer is Flow. Record-Triggered Flows handle field updates, record creation, and cross-object automation. Approval Processes handle multi-step human approvals with rejection paths. Workflow Rules and Process Builder are legacy — do not choose them unless the question specifies a constraint preventing Flow use.
Security and Visibility Layering
The DEV-402 tests the Salesforce security model in sequence: OWD (baseline record access) → Role Hierarchy (opens up) → Sharing Rules (grants access to groups) → Manual Sharing → Field-Level Security → Page Layouts. Permission Sets grant additional permissions beyond profiles. Record Types control picklist values and page layout assignment — not field visibility.
App Design and Lightning App Builder
Know the difference between App Page, Record Page, and Home Page in Lightning App Builder. Dynamic Forms move fields out of page layouts onto the Lightning Record Page directly, enabling visibility rules per field. Custom tabs, apps, and navigation items are all configured declaratively — no code required for standard app design.
Exam Strategy
Read every scenario for the constraint: “without code” means declarative only; “most efficient” usually means the native feature over a custom-built solution. Watch for “administrators only” (profile-based) vs “certain users” (permission sets or sharing rules). Passing score is 66% (40/60 questions) — aim for 76%+ on full mocks before booking.
Platform App Builder: Key Concepts for the Exam
Data Modeling: Objects, Fields, and Relationships
Custom Objects extend Salesforce to store your business-specific data. Master-Detail relationships create tight parent-child bonds (child inherits sharing, supports roll-up summaries). Lookup relationships are looser — the child can exist without the parent. Junction Objects implement many-to-many relationships using two master-detail relationships. Schema Builder provides a visual data model canvas. The exam presents a business requirement and asks which relationship type and object design is appropriate — know when to choose M-D vs Lookup based on cascade delete, sharing, and roll-up needs.
Business Logic and Process Automation
Flows are the primary automation tool for App Builders. Record-Triggered Flows replace Workflow Rules (retiring) and Process Builder (retiring). Screen Flows provide guided multi-step experiences for users. Scheduled Flows run on a time-based schedule. Approval Processes handle multi-step human sign-off with defined approvers and entry criteria. The exam tests which automation tool handles a given scenario — know that Flow replaces Workflow Rules for field updates and email alerts, and Approval Processes are for structured multi-person sign-off.
User Interface: Lightning App Builder and Page Layouts
Lightning App Builder lets admins compose pages by dragging standard and custom components onto a canvas — for Record Pages, Home Pages, and App Pages. Dynamic Forms move fields from traditional page layouts into the page itself, enabling conditional field visibility based on record values. Path provides stage guidance. Dynamic Actions control button visibility. List Views filter and display records without reports. The exam tests the difference between page layouts (profile/record type-based) and Dynamic Forms (component-level conditions).
Mobile Design: Compact Layouts and Navigation
Salesforce Mobile App uses Compact Layouts to determine which fields appear in record highlights, related list previews, and push notifications — the top fields in the layout appear first. Mobile Navigation defines which items appear in the mobile sidebar. Quick Actions appear in the action bar on mobile. The exam tests how to configure the mobile experience and which settings affect which mobile surfaces.
Analytics: Reports, Dashboards, and AppExchange
Report Types determine which objects and relationships are available in a report. Tabular reports list records in rows; Summary adds grouping and subtotals; Matrix adds two dimensions of grouping; Joined combines up to 5 report blocks. Dashboards display visual components (charts, gauges, tables) from report data. AppExchange provides pre-built apps, components, and flows — always install in a sandbox first, review required permissions, and check for governor limit implications.
App Builder exam scenarios almost always reduce to one question: can this be built declaratively? Default to Flow — it's faster to build, easier to maintain, and requires no code deployment. Reach for Apex only when the requirement genuinely exceeds what Flow can do.
Is the Salesforce Certified Platform App Builder (DEV-402) Exam Hard?
DifficultyModerate; plan about 4-8 weeks of focused prep.
Book When ReadyScore 80%+ on three timed mocks before scheduling.
Use Practice, Not DumpsOriginal practice questions build skill without risking your credential.
Exam format: 60 questions, 105 min, 63% passing score.
Request Full DEV-402 Mock Exams & Study Plan
Most candidates book the exam after scoring 75%+ on full mocks.
If you're planning to test this quarter, aim to complete full mocks at least 10–14 days before your exam date.
Want to ensure you pass on your first try? Contact us for more information on our full 60-question mock exams and a personalized study plan. You can also reach out to km.krishnamohan25@gmail.com—mention DEV-402.
Request Mock Exams & Study PlanSalesforce Certified Platform App Builder (DEV-402) Exam FAQs
- What is covered on the Salesforce Certified Platform App Builder (DEV-402) exam?
- The Salesforce Certified Platform App Builder (DEV-402) exam—formerly Salesforce Certified App Builder— covers section-wise weightage as shown above. Use the exam topics and practice questions on this page to align your study with the official outline.
- What is the difference between Platform Administrator and Platform App Builder certifications?
- Platform Administrator focuses on day-to-day administration, security, and user management. Platform App Builder focuses on declarative development—building custom applications using clicks, not code. App Builder is ideal for those who want to build custom apps without programming.
After App Builder: Where to Go Next
Most admins take App Builder after ADM-201, then move into cloud-specific consultant roles. If you enjoy designing data models and automation, consider specialising as a consultant on the clouds your org uses most.
- For sales-heavy orgs, the natural next step is Sales Cloud Consultant.
- If you spend most of your time on support queues and case workflows, look at Service Cloud Consultant.
- Working with Experience Cloud sites or portals? The Experience Cloud Consultant certification is a strong follow-on once you're comfortable with App Builder page design.