Intermediate 5 topic areas 47+ exercises

Mobile Developer

Mobile developers communicate about platform-specific concerns: App Store review, ANR diagnostics, deep links, background refresh policies. This path builds the English to handle all of that confidently.

Topics covered

  • App Store language
  • Crash & ANR reports
  • Release notes
  • Mobile architecture
  • Push notifications

Vocabulary spotlight

4 terms every Mobile Developer should know in English:

ANR n.

Application Not Responding — an Android error when the UI thread is blocked for over 5 seconds

"The new ANR report shows 0.3% of sessions are affected on low-end devices."
jank n.

Visible stuttering or dropped frames during animations or scrolling

"There's noticeable jank on the list view when images load."
deep link n.

A URL that navigates directly to specific in-app content

"The onboarding email should include a deep link to the welcome screen."
cold start n.

App launch from a fully terminated state — the slowest launch type

"We reduced cold start time from 2.1s to 0.9s by deferring non-critical initialisation."
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📚 Vocabulary Reference

Key terms organised by category for Mobile Developers:

Platform Terms

native apphybrid appcross-platformReact NativeFlutterSwiftKotlinObjective-C

App Lifecycle

cold startwarm startforegroundbackgroundsuspendedterminatedmemory warningonResumeviewDidLoad

UI/UX Mobile

gesturetapswipehaptic feedbacksafe areanotchbottom sheetmodaltoastsnackbar

Distribution & Releases

App StoreGoogle PlayTestFlightAPKIPAcode signingprovisioning profilebundle IDbuild number

Diagnostics

crash reportANRsymbolicationstack traceOOMjankframe dropbattery drainLogcatXcode Instruments

Push & Connectivity

push notificationFCMAPNsdeep linkuniversal linkWebSocketoffline-firstlocal cache

Store Communication

release notesapp descriptionASOscreenshotsratingreviewrejection reasonappeal
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Recommended exercises

Real-world scenarios you'll practise

  • Writing App Store release notes for a new version
  • Responding professionally to a 1-star app review — empathetic, professional, and actionable
  • Presenting crash rate data to a product manager
  • Explaining a deep-link scheme to the backend team
  • Explaining a crash to the backend team — describe what happened, what device, OS, and what the logs show
  • Discussing platform differences in a cross-functional team — "On iOS this works because…, but on Android…"
  • Writing release notes users will actually read — clear, benefit-focused, no technical jargon
  • Reading official Apple Developer Documentation and Android Developer Guides in English — understanding platform requirements, API descriptions, and App Store guidelines

🎯 Interview questions specific to this role

Practise answering these questions out loud — or in writing. Each question targets a real interviewer concern for Mobile Developers.

  1. How do you decide between a native and cross-platform approach for a new app?
  2. Walk me through how you debug a crash that only happens in production.
  3. How do you handle App Store rejection of a release?
  4. What is your approach to performance optimisation on mobile?
  5. How do you manage backward compatibility across different OS versions?
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Recommended reading

Reference glossaries for Mobile Developers

Deep-dive glossaries covering terminology specific to this role:

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