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Notes on building mobile apps

Articles on planning, building, pricing and running iOS and Android apps. Each one names its sources and links the case studies it draws on.

  1. Not published yet · last updated 14 min read

    How much does an app cost in the UK and Ireland? Our cost model, published

    We price every app in engineering hours first. Here are the hours for six kinds of app that UK and Irish buyers ask us about, what each costs at our planning rate and at UK agency rates, and which choices move the number most.

  2. Not published yet · last updated 10 min read

    App discovery phase: what it settles that a ±15% estimate can't

    Our cost calculator gives you a range, not a number. Here is what the range covers, what it can't cover, and the short piece of work that closes the gap before the build starts.

  3. Published 6 min readOriginally published on LinkedIn

    9 things 50+ law firm conversations taught us

    Over three months we asked more than 50 law firms how they really talk to their clients. Nine things came up often enough to be a pattern.

  4. Published 4 min readOriginally published on LinkedIn

    The assumption that cost a law firm its own front door

    A booking flow was built exactly as the brief asked. Clients could not get past its first step. Here is why, and where that gap sits in an estimate.

  5. Published 4 min readOriginally published on LinkedIn

    Retention or more ads? What the Bain 5% statistic really says

    The research behind the statistic found that keeping more customers raised profit sharply at the companies it studied. But it is not a rule. Here is what the sources say.