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A product by appico, for coffee roasters

Your best roast, every time

Name: Roast-Tech
Brand: Appico

Roast-Tech turns a home roaster into a precision instrument. Pair over Bluetooth, watch the curve live, steer heat and fan by feel, then save the profile and repeat it to the second. The guesswork leaves the room.

iOS & AndroidBluetooth roaster controlLive roast curvesWhite-label ready

Talk to us about Roast-Tech See the experience

Designed and built end to end by appico, from the Bluetooth layer to the last pixel.

Roast-Tech live roast screen showing the roast curve, temperature, and heat and fan controls

Live roast curvetemperature, rate of rise and DTR, in real time

Bluetooth controlheat and fan, steered from the app

Unlimited profilessave a great roast, repeat it exactly

Every roast loggedweight loss, timings and curve, kept forever

The roasting experience

From green beans to the perfect drop, guided the whole way.

Roast-Tech sits beside the roaster and does the hard part: measuring, charting and remembering. Here is the flow a roaster lives inside it, from connecting to logging the cup.

Live roast screen: temperature, time, rate of rise and DTR tiles above a roast curve with heat and fan sliders

LIVE ROAST, THE WHOLE PICTURE

Read the roast as it happens

Bean temperature, elapsed time, rate of rise and development ratio sit across the top while the curve draws underneath, phase by phase. When you can see the roast, you stop guessing and start steering.

Real-time temperature, RoR and DTR

Phase bands: drying, Maillard, development

Auto-stop at your target temperature

Profiles screen: saved roast profiles with roast level, total time, first crack and a small curve preview

PROFILES, YOUR GREATEST HITS

Save a great roast. Repeat it exactly.

Every dialled-in roast becomes a profile you can load and run again, same curve, same first crack, same drop. Light, medium or dark, a good result stops being a happy accident and becomes something you can serve every week.

One tap to load and re-run a profile

Target curve overlaid as you roast

Light to dark, all in one place

History screen: past roasts with date, roast level, total time, DTR and weight loss percentage

HISTORY, EVERY ROAST REMEMBERED

The log that makes you better

Each roast is saved with its curve, timings, development ratio and weight loss, so you can compare a batch that sang against one that fell flat and learn exactly why. Your palate improves faster when the data backs it up.

Home screen: connected roaster status card, last roast summary and monthly roast stats

HOME, YOUR ROASTER AT A GLANCE

Connected, calibrated, ready

The moment you open the app it finds your roaster, shows drum temperature and signal, and puts your last roast and this month's count front and centre. Two taps and you are roasting, from a profile or free-hand.

And every everyday detail, considered

Pairing screen: connect your roaster over Bluetooth

Pairs in secondsTurn the roaster on, tap search, connect. Bluetooth Low Energy keeps the link stable through the whole roast.

Settings screen: units, auto-stop preset, calibration for voltage and altitude

Tuned to your setupFahrenheit or Celsius, auto-stop presets, and calibration for your mains voltage and altitude, so the numbers match your roaster, not a lab.

In-app explainer defining rate of rise and development time ratio

Learns with youTap any term, RoR, DTR, Maillard, for a plain-English explanation. Roast-Tech teaches the craft while you use it.

What's inside

Everything Roast-Tech ships with

During the roast

Live roast curve

Bean temperature charted in real time with drying, Maillard and development phase bands.

Rate of rise & DTR

Rate of rise and development time ratio calculated live, the two numbers that decide the cup.

Heat & fan control

Steer both from the app, or follow a saved profile's settings step by step.

First crack & auto-stop

Mark first crack with a tap and set an auto-stop temperature so a roast never runs away.

Around the roast

Saved profiles

Store unlimited roast profiles and re-run any of them with the target curve overlaid.

Roast history

Every batch logged with curve, timings, DTR and weight loss for side-by-side comparison.

Weight-loss tracking

Enter green and roasted weights; the app records loss percentage, a key roast-level signal.

In-app coaching

Plain-English explainers for RoR, DTR, Maillard and more, right where you need them.

Setup & trust

Bluetooth Low Energy

A stable, low-power link to the roaster that holds through a full roast.

Voltage & altitude calibration

Tune the app to your mains and elevation so readings match your real roaster.

Units & dark mode

Fahrenheit or Celsius, light or dark, set once and forget.

Your data, exportable

Profiles and roast logs are yours, backed up and exportable any time.

One product, every screen

Roast-Tech runs where roasting happens

iOS app

The full roasting experience on iPhone, curve, controls, profiles and history in your pocket at the roaster.

Android app

The same experience on Android, one codebase so both platforms stay in step.

Bluetooth layer

A Bluetooth Low Energy bridge to the roaster for live temperature in and heat/fan control out.

FlutterBluetooth Low EnergyNode.jsPostgreSQLTime-series chartsAWS

Every feature, by role

Explore everything inside Roast-Tech

For the home roaster

Live curve, RoR and DTR
Heat and fan control
Mark first crack, set auto-stop
Save and re-run profiles
Full roast history and comparison
Weight-loss tracking
Fahrenheit / Celsius, dark mode
In-app term explainers

For a coffee brand (white-label)

Your name, colours and logo across the app
Pair with your own roaster hardware
Curated starter profiles for your beans
Onboarding tuned to your device
Analytics on how customers roast
iOS and App Store, Android and Play

Ready product vs building from scratch

Why a ready product beats a from-scratch build

Designed end to end

The full product exists, the Bluetooth layer, the live-curve engine, profiles and history, so a white-label build is branding and hardware integration, not invention.

Hardware-aware

Built around how a real roaster behaves: phase bands, rate of rise, auto-stop and calibration for voltage and altitude.

White-label by design

Your brand across the app, your roaster on the other end of the Bluetooth link, Roast-Tech stays invisible.

Built to extend

Clean architecture ready for new roaster models, cloud profiles, community sharing or e-commerce for green beans.

From handshake to go-live

Launched with you, not handed over in a zip

Brand & fit

Your name, colours and logo, and the Bluetooth profile mapped to your roaster model and its heat/fan controls.

Tune & test

Calibrate against your hardware, load curated starter profiles for your beans, and test real roasts end to end.

Ship

Published to the App Store and Play under your brand, with onboarding tuned to your device.

Who you're building with

Made by appico, the team founders re-hire

“Disciplined, committed, over-delivers. Three years in, I would re-hire any day.”

Anurag Jain

Founder & Director, Oyelabs · $3M+ ARR

“A factory of ideas.”

Isabel Grün

Product Manager, JamesEdition · 2.5M monthly visitors

“A fantastic-looking and performing website.”

Chavvi Singh

Co-Founder, Nestroots · Shark Tank India

Full source code ownership, it is your product, not a rental

White-label from day one: your brand, your colours, your language

Founder-led delivery with milestone-based, on-time releases

NDA on request; your business model stays yours

Post-launch support and training included in every rollout

Built by the team behind cGen (compligen.ai) and 200+ shipped builds

Common questions

Questions roasters ask

Which roasters does Roast-Tech work with?

Roast-Tech talks to roasters over Bluetooth Low Energy. Any roaster that exposes temperature and heat or fan control over a documented Bluetooth profile can be integrated. As a white-label build, we map the app to your specific roaster model during setup.

What is rate of rise, and why does the app show it?

Rate of rise is how many degrees the bean temperature climbs per minute. Watching it lets you anticipate the curve and steer a smooth, even roast. Roast-Tech calculates it live, alongside development time ratio, so you can react before a roast stalls or spikes.

Can I repeat a roast exactly?

Yes. Save any roast as a profile and load it next time; the app overlays the target curve and guides heat and fan so you land the same result. A great roast becomes something you can serve consistently, not a one-off.

Does it work without a connected roaster?

Yes. In manual mode Roast-Tech still charts, times and logs a roast, so you can learn the curve and build profiles before your hardware is connected.

Does it track roast level and weight loss?

It does. Enter green and roasted weights and the app records the weight-loss percentage for each batch, a reliable signal of roast development you can compare across roasts.

Can Roast-Tech be white-labelled for our brand?

Fully. Your name, colours and logo appear throughout, the app pairs with your own roaster, and you can ship curated starter profiles for your beans. Roast-Tech stays invisible to your customers.

Fahrenheit or Celsius? And which platforms?

Both units, switchable any time, with light and dark themes. Roast-Tech runs on iOS and Android from a single codebase, so both stores stay in step.

How is Roast-Tech priced?

Pricing depends on the scope of your white-label build and hardware integration. Tell us about your roaster and brand and we will put a clear quote on the table.

Let's talk

Bring your roaster. We'll bring the app.

Whether you roast at home and want the software, or you are a coffee brand who wants to ship a beautiful roasting app with your hardware, we would love to show you Roast-Tech and talk through what a build looks like.

Talk to us about Roast-Tech WhatsApp us

We reply within a day, or email Founder@appico.in.
Roasting involves heat and moving parts, always follow your roaster manufacturer's safety guidance. Roast-Tech assists the roast; it does not replace safe operation.