Fixed-scope project
Agreed scope, price and deadline, paid in milestones.
min · from 4 weeks
Services
What RSApps builds, and who it is for.
Five services, each based on delivered work. Every section says plainly when RSApps is the right call and when it is not.
01
Flutter apps, end to end
One owner for your iOS, Android and web app: architecture, build, release pipeline and support after launch.
Proof: Bodyspace, sole developer since 2024
Good fit
- You have a product and need one senior owner
- You want CI/CD, tests and OTA patching as standard
- You need store publishing handled
Not a fit
- You need a large team from day one
- You want a quick prototype with no tests
Deliverables
- Architecture decision record
- Source in your repository
- CI/CD workflows
- Store listings and releases
- Observability dashboards
- Support plan
02
Enterprise Flutter Web
Internal platforms for finance, compliance, inventory and approvals, built on Supabase and PostgreSQL with row-level security.
Proof: SFP Info and Niveau Deuren, via Sienn: 50+ tickets
Good fit
- Complex, form-heavy business workflows
- Multi-language interfaces (e.g. EN / NL)
- Data that must be separated per tenant or role
Not a fit
- Marketing sites or SEO-driven content
- Stacks where Flutter is not an option
Deliverables
- Schema, migrations and RPCs
- Row-level security policies
- Role-based UI flows
- Localisation setup
03
IoT systems
Firmware, backend and control app from one engineer, with the formal documentation that R&D projects require.
Proof: Signum: three subsidised R&D projects
Good fit
- Hardware companies without an in-house software team
- Subsidised R&D (B+R) projects
- ESP32-based devices
Not a fit
- Safety-certified medical or automotive firmware
- Hardware (PCB) design
Deliverables
- ESP32 firmware
- Serverpod / MQTT backend
- Flutter control app
- R&D technical documentation
- Data analysis report
04
Rescue and audit
Take over a legacy Flutter codebase, find out what is really wrong with it and turn it into something your team can maintain.
Proof: Bodyspace takeover · Smart City Poznań audit
Good fit
- The previous vendor has left or is leaving
- Releases have become risky or slow
- You need an independent security review
Not a fit
- You want a report and no follow-up plan
- Non-Flutter mobile stacks
Deliverables
- Written audit report
- Prioritised remediation plan
- Security findings
- Target monorepo architecture
05New
Fractional Flutter lead
Senior technical ownership one or two days a week, without a full-time hire.
Proof: Speednet Signalink: team lead, 2024
Good fit
- Your team has Flutter developers but no lead
- Software houses that need senior capacity under NDA
- Architecture decisions keep stalling
Not a fit
- You need five full days a week
- Purely people management with no code
Deliverables
- Code review
- Architecture guidelines
- Mentoring sessions
- Hiring support
Engagement models
Any service, one of four contracts.
Monthly retainer
Reserved days each month for a live product.
min · 3 months · 30 days' notice
Fractional Flutter lead
One or two days a week leading your team.
min · 3 months
Audit & rescue
One to two weeks, a written report and a prioritised plan.
min · fixed price
No public pricing. Every proposal comes with a written quote after the discovery call.