What it is
Web, mobile and desktop apps delivered end-to-end: scoping, design, dev, tests, store publication.
For whom
SaaS editors, SMEs and startups wanting a shipped, secure and maintainable app — without building an in-house team.
Indicative price
Day rate EUR 800 excl. VAT or fixed price on quote. Real range EUR 15,000 to 120,000 excl. VAT depending on scope.
Leaders who reach out to us usually hit one of these walls.
- 1
A market-validated idea, but nobody delivers the product end-to-end — mobile, back-office, publication and follow-up.
- 2
A first prototype built by a large IT firm that failed Apple or Google review and needs to be redone properly.
- 3
A need for a business app fast, without hiring a large in-house team costing hundreds of thousands per year.
- 4
A GDPR, sector or competitive constraint that rules out consumer-grade tools.
What we ship
A scope agreed before we start. Clear deliverables at every step.
iOS + Android mobile app
One code base, two stores. Notifications, in-app purchases, geolocation, biometrics, offline mode. Publication and commercial presence handled.
Desktop application
Windows and macOS, one-click install, automatic updates. Ideal for business workstations that can't rely on a web browser.
Business web application
Internal portal or customer area, with authentication, roles, dashboard, history and audit trail. Reachable anywhere, no install.
Back-office and admin console
A console to manage users, data, settings and monitor activity — handed over to your teams with the matching training.
Documentation and training
User guide, admin guide, live training session, question channel open during the warranty period.
Store publication and presence
Developer account setup, copy and visuals, replies to Apple / Google reviewers, store listing updates. We know the classic rejections and avoid them.
Product scoping → mockups → MVP → publication → maintenance. Weekly check-in, no surprises.
Product scoping
Workshops to clarify users, priority use cases, out-of-scope, success criteria. Deliverable: spec + costed plan.
Mockups
Key screens designed and validated before any code. Two feedback cycles included. You see the product before it exists.
Iterative MVP
Releases every two weeks with a demo. You validate step by step, you get the code as it lands.
Publication
Go-live, store submission, first-user tests, production migration.
Maintenance
Three months of bugfixes included. Optional monthly maintenance contract afterwards, or handover to your team at your pace.
Frequent questions
How is this billed?+
Two modes. Fixed price on quote for a defined deliverable with a firm price locked before start. Day rate for short or evolving missions, with an indicative days cap. Indicative pricing — a personalized quote is always issued based on needs, context and scope.
How long to deliver a complete app?+
A first usable version (mobile or business web) in 8 to 12 weeks for a well-scoped perimeter. More complex projects (multi-user, integrations with an existing IT system, heavy regulation) take 3 to 6 months.
Do you handle App Store and Google Play submission?+
Yes, full publication: developer account creation if needed, visuals and copy, replies to Apple and Google reviewers. We have real experience of the most common rejections — we prepare answers upfront.
Do you subcontract?+
No. 100% MAG&Cie execution. One point of contact, no resale, capped portfolio to stay senior on every project.
Who owns the code?+
You do, from day one. The source code lives in your private space (GitHub, GitLab or equivalent). You can walk away with it at any time, with no lock-in.
What kind of apps do you build?+
Business apps (invoicing, scheduling, production tracking, fleet management), consumer apps (marketplace, community, content), mobile apps for field teams (readings, rounds, order taking), customer portals with a private area.
/ En résumé
An app to ship?
Quote within 48 business hours after scoping. No strings attached.
Continue with
Pages that pair well with this one
Adjacent topics covered by MAG&Cie, hand-curated to stay on your problem.