Hawk Oliver

We build apps that ship to the App Store.

Four of our apps are already live. If you have an idea, or a manual process worth automating, we build it, launch it and measure it.

See our apps Tell us about your project

Swift and SwiftUI, React Native, TypeScript and Rust APIs.

BlockZero
AquaBrew
Warranty Checker
PulseLog

Apps live on the App Store

Each app solves one concrete problem, and all of them are available to download today.

BlockZero

2048, reimagined.

A puzzle game with five game modes, eight visual themes and 43 milestones to unlock: Classical, Fibonacci, Reverse and the exclusive Temporal Waves.

Built with Swift, SwiftUI, GameKit, Core Data.

Download on the App Store See details
Screen of the app BlockZero, 1/3
Screen of the app BlockZero, 2/3
Screen of the app BlockZero, 3/3

AquaBrew

The right water for your coffee.

Scan a water bottle label and check whether it meets the standards published by the Specialty Coffee Association. Share and browse water quality data with other coffee enthusiasts.

Built with Swift, SwiftUI, Vision OCR, Firebase, CloudKit.

Download on the App Store See details
Screen of the app AquaBrew, 1/3
Screen of the app AquaBrew, 2/3
Screen of the app AquaBrew, 3/3

Warranty Checker

Scan. Track. Never forget.

Scan receipts and warranty cards, keep them in a personal vault and get reminders before they expire. Also tracks food shelf life.

Built with Swift, SwiftUI, Vision OCR, SwiftData, CloudKit.

Download on the App Store See details
Screen of the app Warranty Checker, 1/3
Screen of the app Warranty Checker, 2/3
Screen of the app Warranty Checker, 3/3

PulseLog

Know your energy. Own your day.

A 5-day self-tracking challenge: rate your energy every 2 hours, sort activities into Good, Maintenance or Noise, and find your Power Windows, the hours where you peak. Includes an Apple Watch companion app.

Built with Swift, SwiftUI, Core Data, WatchConnectivity, WidgetKit.

Download on the App Store See details
Screen of the app PulseLog, 1/3
Screen of the app PulseLog, 2/3
Screen of the app PulseLog, 3/3

Coming next

  • Lucid MateReal-time online chess.Coming soon
  • QRSafeKnow if a QR code is safe before you tap.Coming soon

Got an app idea to get off the ground?

The path our own apps took works for yours: from first conversation to the App Store, measured from day one.

  1. Conversation

    We learn the problem and what changes if it works.

  2. Prototype

    Something clickable before production code, so decisions rest on evidence.

  3. Build

    Swift and SwiftUI or React Native, with tests and continuous integration.

  4. Launch and measure

    App Store release and analytics to see what people actually use.

Who's behind it

The name joins the founders' surnames. Carlos, our engineer, has 8+ years shipping production software, from mobile apps to APIs.

  • Carlos Daniel S. Oliveira Co-founder · Engineering LinkedIn

Shall we talk about your project?

Tell us the context in a few lines and we will reply by email.

contact@carlosdaniel.dev
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