Review
Daysy Checked by Vetteroo review
Couples trying to conceive.
We check it out so you don’t have to.
Disclosure: Some links on this page are affiliate links. If you buy through them, we may earn a commission at no extra cost to you. We only recommend things we believe are useful. Read our full disclosure.
- What it is
- Daysy and Lady-Comp fertility trackers that read basal body temperature to flag fertile days
- Best for
- Women tracking their cycle hormone-free
- Price
- $299, checked October 30, 2026
- Prices checked
- October 30, 2026
We researched Daysy's official pricing, terms, product pages, help pages and outside reviews. We haven't used Daysy ourselves, so this is a research-based review, not a hands-on test.
Who it’s best for
- Couples trying to conceive.
- Women tracking cycles without hormones.
- Users who dislike subscriptions.
Who should skip it
- Probably not the best fit as your only birth control without talking to a doctor.
How it works day to day
This part draws on Daysy’s own product pages, help center and documentation, read October 30, 2026 (listed under Sources). We haven’t used Daysy ourselves.
Take your temperature each morning, read the light, and sync to the app.
Key features in use
- BBT sensor
- Fertility lights
- Free app
- No subscription
- Warranty
Setup and learning curve
Minutes.
Integrations
None.
Support
Phone and email.
Real-world use cases
- Trying to conceive
- Cycle tracking
- Perimenopause
- Learning your cycle
What it costs
Prices checked October 30, 2026, from Daysy’s own pricing page unless noted. Prices change often, so check the official page before you buy.
- Daysy $299; Lady-Comp $399; free app, no subscription (checked October 30, 2026).
- Full refund within 14 days of receipt less shipping; days 15–30 carry a 10% return fee; RMA needed first and you pay return shipping, per its terms (Valley Electronics LLC).
What we like
- No subscription.
- Free app.
- Long track record.
- Trustpilot showed 4.2 out of 5 as of October 30, 2026, 381 reviews (US profile).
What to watch for
- Expensive up front.
- Short full-refund window.
- Daily morning readings needed.
- Not FDA-cleared as birth control.
The fine print
- Health and medical products are covered like any other product: we report what the company itself says and make no health claims of our own. Talk to a doctor before starting any supplement or diet change.
- Daysy is not a contraceptive; talk to a doctor about birth control.
The main alternative: Natural Cycles
Natural Cycles is an FDA-cleared birth control app.
What it costs: Annual or monthly subscription; price shown at sign-up (naturalcycles.com, checked October 30, 2026)
Pick Daysy Checked by Vetteroo if you…
- want no subscription.
- want a dedicated device.
- track to conceive.
Pick Natural Cycles if you…
- want FDA-cleared birth control.
- want wearables.
- want lower up-front cost.
Our take
Daysy is a well-reviewed, subscription-free fertility tracker; mind the 14-day refund window.
Side by side
| Company | Best for | Starting price | Trial / refund |
|---|---|---|---|
| Daysy Checked by Vetteroo | Women tracking their cycle hormone-free | $299, checked October 30, 2026 | 14-day refund; 30-day returns with fee |
| Natural Cycles | FDA-cleared birth control and fertility app using temperature data | Annual or monthly subscription; price shown at sign-up (naturalcycles.com, checked October 30, 2026) | See its terms |
From our company records. Check the official pages for current prices.
What we checked
- Daysy's pricing, product pages and terms, read October 30, 2026
- Daysy's Trustpilot profile, read October 30, 2026
- Natural Cycles's details: read on its official pages on October 30, 2026 (comparison only; not reviewed)
- The other official and outside pages listed under Sources (links checked October 30, 2026)
Sources
How we review
We read the company's own terms, test the sign-up or booking steps where we can, and compare it with alternatives. A commission never changes what we write. Read our disclosure.
Disclosure: Some links on this page are affiliate links. If you buy through them, we may earn a commission at no extra cost to you. We only recommend things we believe are useful. Read our full disclosure.