The reader
A reusable handheld device for every Companion screening.
Coming soon
Companion
A handheld screening platform with a reusable reader, assay-specific cassettes, and app guidance for clearer health insights in everyday life.
Coming soon. Not available for sale. Not cleared or approved by the FDA.
Versatile
One reader. Many biomarkers through A.I.-assisted cassette workflows.
Accessible
Screen at home, or on the go with a flat, dry surface.
Traceable
History organized. Share insights when you choose.
From days to minutes
Screening that fits real life, not a week of waiting.
Lab shipping today
Collect a sample, pack it, schedule pickup, ship it, and wait days for results.
With GoldN Companion
Insert a cassette, wait about 15 minutes, and review insights in the companion app.
A simple path from sample to insight.
Clear physical steps with the cassette and reader, plus app guidance throughout.
- 01
Prepare the sample
Collect the sample listed on your cassette instructions.
- 02
Insert the cassette
Place the single-use cassette into the handheld Companion.
- 03
Wait for the run
Give the test time to complete, about 15 minutes.
- 04
Review insights
Open the companion app to sync and review your results.
One platform. Multiple screenings.
GoldN Companion is a reusable handheld reader. Swap in a disposable cassette for each screening, and follow the app for guidance and results.
Collect blood, urine, or saliva. Your cassette tells you which sample to use.
The cassettes
Single-use cartridges, one screening at a time.
On-screen guidance for each screening step
The app
Step guidance, results, and history in one place.
Made for how people actually screen.
01
Versatile
One handheld reader. Many biomarkers through A.I.-assisted cassette workflows.
02
Accessible
Screen at home, or on the go when you have a flat, dry surface.
03
Traceable
Keep your screening history organized and share insights when you choose.
Handheld platform
Made for the moments screening actually happens.
In use
Cassette in. Screening underway. A clear physical start to every run.
On the go
Ready for real settings beyond a single bathroom counter.
At home
Portable, contained, and ready when you need it.
Women’s health
For fertility and everyday women’s health screening.
Run women’s health screenings on the same handheld Companion you use for other cassette tests.
A connected screening platform
One reusable reader. Disposable cartridges for each screening. App guidance from sample to result.
Clear physical steps, short wait times, and insights you can review over time.
Frequently Asked Questions
Clear answers about using GoldN Companion.
Yes. GoldN Companion is a reusable platform that analyzes one biomarker per cassette. Each test cassette is single-use.
GoldN Companion is coming soon and is not available for sale. Public updates will be shared as development progresses.
Get updates as GoldN Companion launches.
Coming soon. Not available for sale. Not cleared or approved by the FDA.