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🌿 Own Your Cycle, Own Your Power — Smarter, Natural, Connected.
Daysy 2.0 is a cutting-edge fertility monitor combining a highly accurate basal temperature sensor with a proprietary algorithm trained on millions of cycles. Its Bluetooth-enabled design syncs effortlessly with the DaysyDay app, offering personalized, real-time fertility insights in under a minute. Designed for natural family planning, Daysy empowers users to track ovulation and hormonal health without hormones, supporting eco-friendly, data-driven reproductive choices.














| ASIN | B01HNCPTWQ |
| Additional Features | High Accuracy |
| Age Range Description | Adult |
| Best Sellers Rank | #132,454 in Health ( See Top 100 in Health ) #302 in Family Planning & Birth Control Products |
| Brand | Daysy |
| Built-In Media | Battery |
| Color | White |
| Colour | White |
| Connectivity Technology | Bluetooth |
| Connectivity technology | Bluetooth |
| Customer Reviews | 4.3 out of 5 stars 304 Reviews |
| Display Type | LCD |
| Item Dimensions | 46 x 48 x 22 millimeters |
| Item Weight | 0.04 Kilograms |
| Manufacturer | Valley Electronics AG |
| Model Name | [4629999054073] |
| Model Number | Daysy |
| Model name | [4629999054073] |
| Resolution | 0.1 degree |
| Special features | High Accuracy |
| Style | Specialized |
| Style Name | Specialized |
| Unit Count | 1.0 Count |
A**S
2 cycles tracking with daysy & I’m currently 15w pregnant. It works!!
Love is an understatement! After a year of trying with my hubs and an early stage miscarriage, we got daysy. I had it 2 full cycles before successfully getting pregnant!! Previously used a tracker app and it just wasn’t tailored enough to me to be effective. Daysy truly changed the game for us! 15 weeks and counting ❤️
L**E
Life Changing
This has been such a game changer for me and my partner. I’ve been using this for 1 year and I will never go back to Birth Control. I was on the implant for 6 years before finally making the switch. We have had no accidents and I get lots of green days now. When you get the Daysy, it takes time for it to learn your cycle, you must be prepared to be patient. There are reviews on here moaning because they’ve only waited 3 months, it took mine about 8 months before I was consistently getting lots and lots of green days. From months 3-6 I was getting about 5 green days a month (including period). Now I’m sat at 15 green days a month. I’ve also seen people recommend Natural Cycles as a replacement for this. The Daysy is far superior. My sister in law was on Natural Cycles while I was on Daysy, she just recently welcomed a baby into the family two months ago. Patience is key with this device to reap the rewards. This isn’t a ‘quick fix’. You are potentially undoing, years of birth control / hormone damage. Your body needs time to sort itself out and you will get a lot of yellow / red days during this time period. Yes it’s frustrating but my god it’s so worth it.
J**Y
9 mois d'utilisation, il est formidable!
J'utilise Daysy depuis 9 mois maintenant (et je le recommande à toutes les filles de mon entourage). Mon conjoint et moi sommes HYYYYPER satisfait de son efficacité à nous guider quant à notre moyen de contraception naturel. Grâce à Daysy, non-seulement moi, mais mon conjoint connaît également mon cycle menstruel par coeur ainsi que chacune de ses phases (et symptômes rattachés à celles-ci). La batterie dure une éternité avant de devoir le charger, ce qui nous permet de partir en voyage et de l'utiliser avec facilité (et hop en dessous de l'oreiller, première action au réveil). Pour mon couple, il s'agit d'un RÉEL investissement. J'ai également hâte de l'essayer à la conception de notre premier bébé, afin de suivre le meilleur moment pour concevoir. Je ne comprends pas pourquoi il ne se vend plus sur Amazon, je l'adore.
D**L
No funciona
La verdad lo compre hace más de 8 meses por mi deseo de quedar en embarazo y no había puesto reseña esperando y mirando todas las opciones por si era solo a mi que no me funcionaba, hasta lo envié a Alemania y lo revisaron, dicen que funciona perfectamente pero que soy yo quien no sabe utilizarlo...como si abriendo la boca y meterse un medidor fuece de mucha ciencia, en fin por más que pedí devolución de dinero, no me lo dan porque a ellos si les funciona y claro no pierden...así que 300€ tirados a la basura...es más tengo aplicación de calendario menstrual gratuito en mi móvil y funciona mejor, aparte que aunque esté Daysi no me mide la temperatura, si me dice los días en que me va a llegar la regla y los días fértiles y los días que no, entonces para que tenerlo? Si me da la misma información que mi aplicación gratuita en móvil?no es confiable, porque loa información que da no es relevante y no me da seguridad que me ayudara a algo
T**N
Fantastica e sicura
Trovo Daysy fantastica! É semplice da usare e insieme al Applicazione si ha la propria temperatura sotto controllo. Consigliatissima!!!
Trustpilot
2 days ago
1 month ago