512Five One Two
Software

FIVE ONE TWO SOFTWARE LTD · Paul Street, London

Five decisions, one product, two sides to every choice.

We design and build mobile apps, interfaces and websites, help get them released, and keep the IT around them working. Every project is a series of trade-offs — we put them on the table early.

MobileDesignWebReleaseSupport

Trade-off board

A local planning aid. Nothing is sent anywhere, it is not AI and it is not a quote. Flip each switch towards what matters more to you right now.

Launch soonerBroader first version
One codebase, both phonesPlatform-specific feel
Content we updateYou edit it yourself
Proven patternsDistinctive interface
Hand over and goOngoing IT support

What your switches suggest

    What we do, in one breath each

    Mobile development
    iOS and Android apps, planned around the few things people actually open them for.
    App, UI & UX design
    Flows, screens and interface systems that are tested against real tasks before they are polished.
    Websites
    Fast, accessible sites that say clearly who you are and what to do next.
    Release assistance
    Store listings, review submissions, launch checks and the dull details that block go-live.
    IT support
    Help with the devices, accounts and everyday tools your team relies on.
    Read the full service notes →

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