App UX AgenciesAbout this site
Fifteen app studios, profiled at length rather than listed. Here is how they were checked and how the work is done.
Why UX, and not just app design
Most app agency lists rank on visual craft, because visual craft is the only thing visible in a portfolio. Screens photograph well. Flows, research, and testing do not.
That produces lists where a studio with beautiful case studies and no research practice sits above one that quietly ships apps people can actually operate. For a buyer whose problem is retention, onboarding, or a workflow nobody completes, that ranking is worse than useless.
So this site weights UX practice specifically: whether a studio researches with real users, tests before launch, designs the states nobody screenshots, and stays involved after release. Visual craft still counts, because an app people enjoy using is a UX outcome. It just is not the only thing counted.
Why fifteen
Enough to cover the range the category actually contains: consumer craft studios, engineering-led teams, global consultancies, B2B and regulated specialists, and small senior shops. Fewer than that and the list misrepresents the market by omission.
Still short enough that every entry is a proper profile rather than two sentences and a logo. Capable studios are missing, which is the cost of the format.
What gets checked
Confirmed against recent published work, hiring, and press. Domains renew automatically for years after a practice stops working, so a live site establishes nothing on its own.
Named work is looked up where it should be findable. Case study pieces that were never released, or have since been pulled, do not count as shipped work.
Research, testing, and interaction design evidenced through case studies, published process, or named methods rather than listed as a service line with nothing behind it.
Whether a studio designs and hands off, designs and ships, or is an engineering firm with a UX practice attached. Each is a different purchase and the profile says which.
Independent or inside a parent, including acquisitions. frog within Capgemini Invent and Work & Co within Accenture are noted rather than left implicit, because ownership changes rates, process, and who is assigned.
Names come from case studies, credible press, or the client's own materials. Where a studio publishes no roster, which is a deliberate choice for at least one studio here, the profile says so and points you at the portfolio instead.
Who writes this
This site is produced by a small editorial team working in and around digital product design. That background is what makes the assessments here informed: we know how these engagements run, what separates a research practice from a research slide, and where the category's usual claims fall apart.
Profiles are researched and written individually against the same standard. Positioning language is our own assessment rather than copy lifted from a studio's site, and where a studio's self-description and its portfolio diverge, we describe the portfolio.
What this site cannot tell you
The measure that matters is activation and retention against a baseline, and almost nobody publishes it. Ask each studio directly and notice whether they know their own numbers.
Case studies describe research consistently and vary enormously in what actually happened. The questions on the home page are there because they are the fastest way to find out.
Prices across these fifteen vary by more than an order of magnitude depending on scope, platform count, and whether engineering is included. We describe tier and positioning, not numbers.
UX work is collaborative and depends on how your organisation handles feedback, access to users, and evidence that contradicts an existing plan. Much of that is within your control rather than the studio's.
Fifteen places, no stars, no percentages. The order reflects breadth of relevant work and the profiles carry the judgment.
We do not sit between you and the studios, take a referral fee, or receive your brief.
Corrections and submissions
If a fact here is wrong, tell us. Studios get acquired, apps get pulled, teams turn over, and attributions can be inaccurate. Corrections are handled within a few days and you do not need to prove standing to report one.
Studios can also put themselves forward. With fifteen fixed places, adding one usually means removing another, so specifics carry weight: how you run research and testing, whether you design or also build, and two or three shipped apps we can look up.