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A free review of your prototype.

Built in Lovable, Bubble, v0 or by hand — it doesn't matter. I go through where the data lives and who can read it, how sign-in works and what happens when more people than you use it. You get a written answer within two working days.

Send your link

What I look at

What usually decides it.

  • Where the data lives

    Which database, who can read and write it, and whether one user can see another's data.

  • Sign-in

    Passwords, sessions, resets, and what happens when someone signs out.

  • Keys in the code

    API keys and secrets sitting open in the browser or in a public repo.

  • More than you

    What happens when fifty people use it at once instead of one.

  • Keep or rebuild

    What can be taken further as it is, and what needs redoing before real users arrive.

  • Payments

    If there are any: how they're handled, and whether receipts and VAT add up.

How it works

Three steps, no meeting.

  1. 1

    Send a link

    To the website, app, prototype, code or quote — and a sentence about what you're wondering.

  2. 2

    I go through it

    On my own, without you having to demo anything in a meeting. If I need access to something, I ask first.

  3. 3

    You get a written answer

    Within two working days: what holds up, what doesn't, and what I would do first.

From a client

Daniel Hjortvall

★★★★★

“I have had the privilege of working with Ketryon for several years, and my experience has been consistently excellent. Their professionalism, reliability, and dedication to delivering high-quality results have made them a trusted partner. Ketryon combines strong expertise with a solution-oriented approach, which has greatly contributed to the success of our projects. I highly value their commitment, responsiveness, and ability to adapt to our needs. I can warmly recommend Ketryon to any organization looking for a dependable and competent partner.”
Review on Google
  • Does it cost anything?

    No. The review is free, and you don't have to buy anything afterwards.

  • How quickly do I hear back?

    Within two working days of receiving the link.

  • Who does the review?

    Kenny Tran, the developer who runs Ketryon. Not a salesperson and not a tool.

  • What happens next?

    Nothing, unless you want it to. If you'd like someone to do what the answer says, the subscription is there — but the answer should be usable without it.

Free

A written review of your app

Send a link to your app or prototype and what you're wondering about. You get a written review back: what holds up, what doesn't, and what I would do first.

An answer within two working days. It costs nothing and commits you to nothing.

Send your link

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