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Kastling Apps

We build apps. Two shipping this month.

Six apps. Local where it should be. One-time prices on Mac, per-use pricing on the web. No subscriptions piling up, no data leaving your machine for things that don't need to.

Launching this month

The first two. Get on the list before they go live.

Picked from the lineup because they're ready, not because we promised. The other four follow on their own timing.

  • Idea memo
    Build
    8/10
    Market · Competitors · TAM
    Launching this month.

    Verdikt

    A verdict on your idea before you build it.

    Describe your idea. Verdikt's agent interviews you on the details, runs deep research across competitors, market, and audience, then delivers an analyst-grade report in hours, not weeks.

  • Recording · 00:34
    > turn this into an email
    Subject
    Quick update on the deck
    Launching this month.

    Riff

    Talk. Tell it what you want. Get it.

    Record a voice memo on your Mac. Whisper transcribes locally. Type any instruction ("turn this into an email", "draft a SOAP note", "write a Slack message") and Riff produces it. Your voice never leaves your Mac.

The lineup

Six apps. Each one solves one thing well.

Pick what you want to hear about. One email per launch. No newsletter, no nudges, no roadmap teases.

  • Idea memo
    Build
    8/10
    Market · Competitors · TAM
    01

    Verdikt

    Launching this month.

    A verdict on your idea before you build it.

    Describe your idea. Verdikt's agent interviews you on the details, runs deep research across competitors, market, and audience, then delivers an analyst-grade report in hours, not weeks.

  • Recording · 00:34
    > turn this into an email
    Subject
    Quick update on the deck
    02

    Riff

    Launching this month.

    Talk. Tell it what you want. Get it.

    Record a voice memo on your Mac. Whisper transcribes locally. Type any instruction ("turn this into an email", "draft a SOAP note", "write a Slack message") and Riff produces it. Your voice never leaves your Mac.

  • Inspection · pg 47
    24 risks
    Roof · est. $14k
    03

    DealLens

    Building now. Live this summer.

    Read every page. Surface every risk.

    Upload the inspection report, the disclosures, the lease, the HOA docs. DealLens reads every page and surfaces the risks, the hidden costs, and the negotiation points, with a one-page memo you can wire on.

  • Issue · 01
    Capsule
    04

    Capsule

    Beta this fall.

    A daily outfit from your own wardrobe.

    Open the app, see today's outfit pulled from clothes you already own. The taste of a stylist, the patience of a friend, the read on your closet nobody else has. Ask it before you get dressed. Ask it before you buy.

  • context, restored
    05

    Lanes

    Closed beta now. Open later this year.

    One keystroke to switch your whole Mac between projects.

    Apps, docs, browser tabs, window positions, all of it. Project A to Project B in one shortcut. Your context, restored.

  • Mon · 13
    Today
    • Write the brief.
    • Ship the small thing.
    • Walk before the call.
    • Stop at 6.
    06

    Triage

    Coming in 2026.

    Dump everything in your head, get a calm day plan in return.

    Mac and iPhone, on-device. Capture the chaos in one minute, leave with a plan you can actually run today.

FAQ

Things people ask before they sign up.

  • Verdikt and Riff are live this month. DealLens lands this summer. Capsule, Lanes, and Triage have their own timelines. We'll only email you once the one you signed up for is actually usable.
  • You'll get one email when each app you picked is ready. That's it. No newsletter, no roadmap teases, no nudges, no upsells. We'd rather you hear from us once and have it count.
  • The Mac apps are one-time purchases: buy once, own it. The web products (Verdikt, DealLens) price per analysis or per deal. Specific pricing is on each app's page at launch.
  • It depends on the app. Riff, Lanes, and Triage are native Mac. Triage also ships an iPhone companion. Capsule is iOS. Verdikt and DealLens are web apps you open in a browser.
  • On the Mac apps, your data stays on your Mac. Local AI does the transformation, nothing phones home. For web apps that need to run analysis on documents, we default to server-side zero-retention and offer a bring-your-own-key option. Read each app's privacy page for specifics.
  • Email hello@kastling.co. Press, partnerships, or bug reports. Same address, real human reading.