xade roast 4+

**Become a Coffee Guru**
- Roast Level Assessment
- Explore Beans in Microscope Mode
- Coffee Particle Analysis *
- Roast Level Management *

* requires subscription.

xade roast provides different modes.
All modes allow you to find a matching roast by first locating the roast using the xade roast scale. (see below regarding compatibility):

Picker mode
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Pick a roast from the live stream and set the maching roast in the roast picker.


Nano mode
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Attach xade nano to your iPhone camera and turn your iPhone into a precise roast measurement device.
Access the measurement history of the last 90 days with the Pro Feature subscription and the history enabled.
Run measurement batches and export your batch or history data as json.

Microscope mode
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Switch to microscope mode and select between different zoom factors (5x/10x/15x) and look into the details of your coffee.
Recommendation: use xade nano for optimal lighting and sharp images with the hassle free fixed focus condition.
Measure particles using the ruler grid.

Particle mode
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Switch to particle mode to get particle statistics of your ground coffee.
Tip: Use a brush to dust the coffee on a white sheet of paper to get reliable results. Use xade nano for optimal lighting and focus point.

Cube mode
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Place your iPhone on the xade cube and turn your iPhone into a precise roast measurement device.


Card mode
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Use your own setup to measure the roast.


The roast result is compared to our sample roast list or to beans and roasts created by you (Pro Features subscription).
In conjunction with xade cube you can turn your iPhone into an extremely precise roast measurement device.

Finding the perfect roasting profile for a specific taste needs experience.
Being able to detect even slightest differences below human perception, is a helpful addition to your toolbox.


Compatibility
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Picker mode
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- all iPhones with iOS 18.0 or newer.


Nano, microscope & particle mode:
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- iPhone 14 Pro
- iPhone 14 Pro Max
- iPhone 15 Pro
- iPhone 15 Pro Max
- iPhone 15 (nano required)
- iPhone 15 Plus (nano required)
- iPhone 16
- iPhone 16 Plus
- iPhone 16 Pro
- iPhone 16 Pro Max


Cube & card mode:
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- iPhone 12 Pro Max
- iPhone 13 Mini
- iPhone 13
- iPhone 13 Pro
- iPhone 13 Pro Max
- iPhone 14
- iPhone 14 Plus


TECHNICAL SPECS AND CORE FEATURES
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- STDEV on coffee between samples: ~0.3 on a [10, 100] scale.(1)
- Continuous aperture ⌀ ~1-12mm / 0.2-4mm. (4)
- D65 & D50, 2° observer.(2)
- 45°/0° geometry.
- Use your perception in picker mode to set the measured value.
- AI assisted mode changes.
- Display and export spectral data. Beta (2)
- Manage your own roasts and locate your roast. (2)
- Locate your roast with our standard roast list.
- Visually see result in taken picture with extended sRGB.(3)

1 Determined with 18 samples of a roast degree of 45 with xade base for nano+ and motion measurement.
2 Available as Pro Feature subscription. D65/D50 and spectral graph are available when using xade card, xade cube or xade nano
3 Available in all supported iPhones.
4 xade cube / xade nano


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