DMCA

Independent product studio · Hong Kong

Software people
want to keep.

DMCA designs and builds focused mobile and web apps—from the first useful idea to a polished, dependable release.

See our work Tell us what you’re building
01 One product system
TODAY
+84
OVERVIEW
Mobile
Web
iOS & Android+Web applications+Product design+AI integration+Launch & iteration

Featured products

Focused tools.
Clearer daily life.

Each product starts with one real tension and turns it into a clear, focused tool.

imstt app icon

DCMA PRODUCT · iPhone & iPad

imstt

Voice messages, in words.

  • Import only what you chooseShare a voice note or text to imstt, or pick an audio file from Files.
  • Transcribe on device by defaultChoose the language, then edit, copy, search, star, or share the transcript.
  • Translate without an accountLanguage identification and translation run on device after the required models download.
App Store ↗ Product Privacy Support
imstt home screen with import audio and paste text actions
Import or share
x Days Ago app icon

DCMA PRODUCT · iPhone & iPad

x Days Ago

Remember the last time.

  • See what is dueElapsed days and your usual interval stay visible at a glance.
  • Record in one tapKeep a simple history or correct dates from the calendar.
  • Keep your historyExport your events as CSV and import a backup when you need it.
App Store ↗ Product Privacy Support

Preview of the upcoming 1.3 update, with sample events and ads removed.

x Days Ago home screen showing recurring events and elapsed days
See what is due
ArbiScan app icon

DCMA PRODUCT · iPhone, iPad & Android

ArbiScan

See both sides of a funding spread.

  • Compare both sidesExplore funding spreads across exchanges and inspect each leg’s rates and liquidity.
  • Put rates in contextCompare Live, 24-hour, 7-day and 30-day scan windows and daily rate history. Coverage can be partial.
  • Refine your shortlistFilter by exchange, strategy, gross APR and liquidity, then save opportunities on your device.
App Store ↗ Google Play ↗ Product Funding guide Privacy Support

Earlier CryptoFA interface · illustrative sample data. Gross APR is variable and before costs.

Earlier CryptoFA interface showing sample funding-spread opportunities
Discover · sample data
EasyCart app icon

DCMA PRODUCT · iPhone

買餸易 · EasyCart

One receipt. A clearer home.

  • ✦
    Scan, review, then saveAI helps structure receipt items and totals, while every field stays editable before saving.
  • ⌂
    Household access that fits the roleOwners see the full household; helpers see only the receipts they uploaded.
  • ↗
    Spending and wallets in one viewFollow trends, categories, loyalty points, and Octopus or other wallet balances.
App Store release in preparation Product Privacy Support
EasyCart receipt scanner with camera, photo-library, and manual-entry actions
Receipt scanner
F2Pool ROI app icon

DCMA PRODUCT · iPhone, iPad & Android

F2Pool ROI

Know what your mining operation is buying you.

  • See the payback clearlyTrack mined value, remaining capital, days left, and the break-even price in one view.
  • Keep every rig honestCompare current and baseline hashrate, spot under-hash rigs, and review fleet health.
  • Stress-test the runwayModel BTC price scenarios, review payouts, and project cumulative revenue up to twelve months.
Store listing URL pending Product Privacy Support

Screenshots use bundled sample data. Connect your own F2Pool account in the app for live figures.

F2Pool ROI sample dashboard showing a payback gauge and remaining capital
Know your payback
GoalPlus app icon

DMCA PRODUCT · iOS & iPadOS

GoalPlus

Set the goal. Score the day. Build momentum.

  • +
    Score what moves youReward useful actions and account for the pitfalls that slow progress.
  • ✦
    Shape your own planSet clear dates, then add the actions and pitfalls that matter to your goal.
  • ↗
    See the patternStreaks, weekly flow, and impact insights show where momentum is coming from.
App Store release in preparation Product Privacy policy Support
GoalPlus daily dashboard showing score, habits, and pitfalls
Daily score
Kinvest app icon

DCMA PRODUCT · iPhone

Kinvest

A clearer view of every portfolio you manage.

  • ⌂
    Portfolio clarity for your peopleKeep each person's holdings, cost basis, transactions, and performance in a single workspace.
  • ↗
    P&L from the real ledgerRecord buys and sells with prices and fees; Kinvest derives positions and P&L from the full transaction history.
  • $
    Manual prices, on your termsTrack stocks and crypto using the prices you enter. Kinvest does not connect to a brokerage or live market-data service.
App Store release in preparation Product Privacy Support
Kinvest dashboard with a combined managed value and four example portfolios
Portfolio overview

What we do

From useful idea
to shipped product.

Small, senior-led teams stay close to the problem, the interface, and the code.

01 / MOBILE

Apps that feel at home.

Focused iOS and Android experiences with considered interaction, accessibility, and performance.

02 / WEB

Web software with a pulse.

Responsive products and internal tools that make complex workflows clear, quick, and dependable.

03 / INTELLIGENCE

AI where it earns its place.

Practical AI features designed around user control, clear failure states, and responsible data handling.

How we work

Clarity before
complexity.

We reduce a product to the few things it must do exceptionally well, build the smallest convincing version, then improve it with evidence.

Start a conversation
  1. 01
    Frame

    Define the problem, the audience, and what success changes.

  2. 02
    Shape

    Prototype the core journey and pressure-test the product decisions.

  3. 03
    Build

    Engineer a resilient release with the details users notice.

  4. 04
    Learn

    Launch, observe real use, and make the next change count.

Have a product in mind?

Let’s make it
worth using.

support@dcma.app