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Platform iOS Android Flutter React Native

Time until the interview A week or less More than a week

The round you worry about most The whole loop System design Live coding

Level Senior Staff or lead

Free sample available

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The 24-Hour iOS Interview Answer Book

Review the highest-frequency senior iOS interview questions and rehearse answers, follow-ups and recovery lines you can say out loud.

With days, not weeks, you need triage: the questions that come up and the depth they are scored at, nothing else.
iOS engineers with less than a week to prepare.

$89See inside

At Staff or lead level, expect the design and architecture rounds to carry more weight than the fundamentals: read the design guide before anything else.

Then the free guide: Senior iOS interview questions

Free sample available

Start here

The iOS Interview Blueprint

Prepare for iOS interviews with structured judgement across Swift, SwiftUI, architecture, system design and leadership rounds.

With weeks, cover the whole loop once properly: fundamentals, architecture, design and the senior follow-ups.
iOS engineers with days or weeks to prepare properly.

$59See inside

At Staff or lead level, expect the design and architecture rounds to carry more weight than the fundamentals: read the design guide before anything else.

Then the free guide: iOS system design interview

Free sample available

Start here

The 24-Hour Android Interview Answer Book

Review the senior Android questions most likely to decide the loop and rehearse answers, pushes and recovery lines you can say out loud.

With days, not weeks, cover the Android questions that recur and the follow-ups they lead to.
Android engineers with an interview close.

$89See inside

At Staff or lead level, expect the design and architecture rounds to carry more weight than the fundamentals: read the design guide before anything else.

Then the free guide: Senior Android interview questions

Free sample available

Start here

The Senior Signal

Prepare for senior Android interviews with current reasoning across Kotlin, Coroutines, Flow, Compose, architecture, performance, security and system design.

With weeks, work through the full Android loop at senior depth, including the design round.
Experienced Android engineers preparing a full loop.

From $59See inside

At Staff or lead level, expect the design and architecture rounds to carry more weight than the fundamentals: read the design guide before anything else.

Then the free guide: Android system design interview

Free sample available

Start here

500 Flutter Interview Questions

Prepare for Flutter interviews by learning how to explain choices, trade-offs, failure modes and evidence at every level.

The question bank is what exists for Flutter today. Answer out loud before reading each answer.
Flutter engineers preparing broad interview coverage.

$79See inside

At Staff or lead level, expect the design and architecture rounds to carry more weight than the fundamentals: read the design guide before anything else.

Then the free guide: Mobile live coding interview

Free sample available

Start here

Top 300 React Native Interview Questions

Prepare for React Native interviews with answers built around production depth, weak-answer traps and interviewer intent.

The question bank is what exists for React Native today. Answer out loud before reading each answer.
React Native engineers preparing broad interview coverage.

$79See inside

At Staff or lead level, expect the design and architecture rounds to carry more weight than the fundamentals: read the design guide before anything else.

Then the free guide: Mobile system design interview

Free sample available

Start here

Mobile System Design Blueprint

Practise the decisions behind evolving, migrating, releasing and operating real mobile systems.

The design round is the one most mobile engineers under-prepare, and the one that separates senior from Staff.
Senior, Staff and Architect candidates facing mobile system design.

From $199See inside

At Staff or lead level, expect the design and architecture rounds to carry more weight than the fundamentals: read the design guide before anything else.

Then the free guide: Mobile system design interview

Free sample available

Start here

Share Your Screen

Train the performance side of senior iOS interviews with live coding, code review, take-home and system design practice.

Live coding fails on narration and recovery more often than on the algorithm. This is the book for that round.
iOS engineers who know the material but lose signal in live rounds.

$299See inside

At Staff or lead level, expect the design and architecture rounds to carry more weight than the fundamentals: read the design guide before anything else.

Then the free guide: Mobile live coding interview

Mobile Interview Room

Prepare for the mobile interview on your calendar.

Career questions (CV, LinkedIn, job search) live on salari.dev.

Free guide: the Phoenix Method

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Written by Mike Salari. Staff mobile engineer · 500+ technical interviews from the hiring side.

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