Compare mobile development companies using the same audience, journeys, devices, backend responsibilities and launch conditions. Request evidence of interrupted workflows, access rules and operational handover alongside interface work. A visually polished portfolio does not establish that a proposed team has priced the complete product you need.
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Issue a comparable requirements brief
Describe the user, first useful task, platform boundary and required capabilities. Include administrative work, integrations and support instead of leaving them as assumptions to be discovered after contract selection.
Name uncertain requirements and the evidence needed to resolve them. A supplier should distinguish known delivery work from discovery or feasibility work rather than burying every unknown inside a confident date.
Build a proposal comparison
| Area | Evidence to request | Gap to record |
|---|---|---|
| User journey | Task walkthrough with realistic exceptions | Screens without completed outcomes |
| Platforms | Supported device and system boundary | Unstated verification scope |
| Backend | Data, roles and integration ownership | App interface priced alone |
| Offline work | Supported operations and conflicts | Cached display mistaken for synchronisation |
| Release | Account, review and distribution responsibilities | Launch treated as a file handover |
| Operation | Support, monitoring and recovery | Unfunded post-launch work |
| Commercial scope | Assumptions and change process | Incomparable exclusions |
Use the same rubric for every supplier. Record what was demonstrated, what is proposed and what still needs evidence.
Test a project-specific exception
Give the supplier a hypothetical upload that completes on the server just as the phone loses connectivity. Ask how the user discovers the outcome and how the application avoids creating a duplicate on retry.
Then change the user's role while the task is pending. The proposed architecture should explain where permission is enforced and which state is authoritative. It need not be built during procurement, but the answer should identify assumptions and verification work.
Review the delivery team and working process
Identify responsibility for product clarification, mobile engineering, backend integration, design, quality and release. Ask how decisions are recorded and who reviews working increments.
Clarify dependency handling and staff continuity. A named senior person in a sales meeting does not establish their ongoing project responsibility unless the arrangement says so.
Compare ownership and maintenance
Confirm repositories, store accounts, infrastructure, signing arrangements and third-party services. Define what documentation and exercises establish a usable handover.
Separate new features, defects and operating incidents in the proposed support arrangement. Include device verification and release work when comparing maintenance costs. Request attributable project evidence without treating unverified logos or broad delivery claims as proof.
Questions buyers ask
Should we choose the supplier promising the most shared code?
Compare outcomes and maintainability for the actual capabilities. A code-sharing percentage does not establish platform behaviour or release readiness.
Is a fixed-price proposal easier to compare?
Only when the scope, assumptions, acceptance criteria and change process are sufficiently explicit.
Prepare the supplier meeting
Bring the task, device boundary and exception scenarios. Use the mobile cost guide, maintenance worksheet and mobile app development overview.
