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📈 Own your cycle, own your future — precision meets smart planning!
The Beurer OT30 Digital Basal Thermometer is a high-precision, Bluetooth-enabled device designed for natural family planning. It delivers accurate basal body temperature readings to ±0.05°C within 3 minutes, suitable for oral or vaginal use with a flexible, disinfectable tip. Sync your data seamlessly with the OVY app to track fertility cycles effortlessly. Waterproof, mercury-free, and equipped with a 30-reading memory, it’s the smart choice for millennial professionals seeking reliable, tech-forward reproductive health tools.

| ASIN | B07H9BQQND |
| Age Range Description | Adult |
| Age range (description) | Adult |
| Best Sellers Rank | 173,938 in Health & Personal Care ( See Top 100 in Health & Personal Care ) 54 in Rectal, Oral & Axillar Thermometers 381 in Baby Thermometers |
| Brand | Beurer |
| Colour | black |
| Connectivity Technology | Bluetooth |
| Customer Reviews | 3.7 out of 5 stars 596 Reviews |
| Display Type | Digital |
| EU Spare Part Availability Duration | 1 Years |
| Global Trade Identification Number | 04211125791063 |
| Immersion Depth | 3 Centimetres |
| Included Components | OT30, instructions for use |
| Included components | OT30, instructions for use |
| Indoor Outdoor Usage | Indoor |
| Item Type Name | Women's Fertility Tests |
| Item Weight | 0.03 Grams |
| Lower Temperature Rating | 36 Degrees Celsius |
| Manufacturer | Beurer |
| Manufacturer Part Number | OT30-79106 |
| Model Name | OT30-79106 |
| Model Number | OT30-79106 |
| Number of Batteries | 1 Lithium Metal batteries required. (included) |
| Outer Material | Glass |
| Outer material | Glass |
| Power Source | Battery Powered |
| Product Care Instructions | Wipe Clean |
| Product Warranty | 3 ; |
| Response Time | 3 seconds |
| Reusability | Rechargeable |
| Smart Home Compatibility | Not Smart Home Compatible |
| Special Features | 30 memory slots, Automatic switch-off. |
| Specification Met | Sanitary product |
| Style Name | Bluetooth Basal Thermometer |
| Unit Count | 1.0 count |
| Upper Temperature Rating | 38 Degrees Celsius |
A**R
Easy and accurate
Only using to take temperatures whilst in Lockdown, but very easy to use and keep clean and sterile! Thank you
V**A
Not very happy
Very slow and doesn't always work
A**R
If you like loud pointless beeping in the morning
10 loud beeps supposedly indicate that the temperature has been taken, but it’s completely inaccurate & extremely annoying first thing in the morning. Even the instructions say to wait 3 minutes, after which I’m still not convinced it’s entirely accurate, regardless, why not just set the beeps to go off after 3 minutes?! And maybe not 10 of them? Trying to conceive is hard enough thanks.
J**G
Good product. Batt nearly flat when new.
Small, comfy to do vaginal BBT, beep just loud enough to hear. The battery was nearly flat when I received it, but I've been using it daily for a few months, and it's only gone down a bit, so not overly concerned.
B**D
Broken with no way of rectifying
I'm really disappointed in this product. Used a handful of times and it no longer works. Can't get hold of the company either to discuss the problem. Such a waste of money!
I**.
No premium app access as suggested
Good quality thermometer by a trusted German brand. However what really annoyed me is that the packaging and pictures here on Amazon suggest that this product comes with premium access to the Ovy app, which it doesn't. The basic version of the app is free, however that version is completely useless if you want to use it for fertility tracking because in that mode you can only track your temperature, not other crucial factors like cervical mucus. It is really disappointing because it seems they were deliberately vague in their product description and references to the Ovy app to make people buy the product. I contacted their customer service about it and they were also not helpful at all, instead they replied with a condescending response suggesting it was my fault. This thermometer is no better in its use together with that app than any other cheap basal thermometer!
C**Y
Not as advertised
Product advertising and packaging is misleading. Thermometer does not sync with the app and data has to be entered manually. Also it is only the basic free app, I thought they were providing access to the full app. The reading time for the thermometer says it is 3 minutes, it is definitely a lot longer than that, well over 5 minutes for the first reading. It says it has automatic storage of the last measured value, which is completely inaccurate every time and displays the wrong previous temperature. Only just received but seems to be working fine so far. But false advertising.
S**H
Good, rapid delivery.
Needed it for potential illness. Other thermometers are SO expensive... It takes a while occasionally, to get a reading though.
S**A
perfact
perfect
C**N
Un buen termómetro
Muy bueno, preciso. Se conecta a la app por bluethoot. Lo que no consigo que se conecte sin desbloquear el móvil...
V**I
Super Bluetooth Thermometer
Ich habe mich für dieses Thermometer entschieden, da mit das original ovy Thermometer zu teurer war. Zudem gefällt mir die kleinere Größe besser. Lieferung war schnell und Verpackung ordentlich mit genauer Bedienungsanleitung. Die 1. Batterie ist ebenfalls enthalten. Der einzelne, leise Pipton nach 3 Minuten Messung ist angenehm und stört nicht. Es funktioniert super und überträgt die Temperatur nach öffnen der App sofort an mein Huawei P30. Bisher hat es nur 2x nicht sofort geklappt. Aber das ist dadurch, dass es die temaratur speichert kein Problem. Ich denke das liegt dann eher an der App, da diese Probleme auch bei dem ovy Thermometer auftreten. Ich bin sehr zufrieden und würde es wieder kaufen. Dazu muss ich aber betonen, dass ich es auch aufgrund der Speicherfunktion super finde. Die Ovy App überzeugt im 1. Zyklus noch nicht, da diese den Eisprung zu früh angab sowie die anschließende "sichere" Zeit ohne meine Werte überhaupt nach NFP auszuwerten... Zur Verhütung sollte man sich also wirklich mit NFP vertraut machen und nicht nur auf die App vertrauen! Einziger Nachteil: Kein aufladbarer Akku, sondern zu wechselnde 2032 Batterien. Laut Gebrauchsanweisung hält diese für bis zu 160 Messungen.
T**A
Recommande
Thermometre nickel Un peux dur a comprendre comment le connectée a l'application mais des qu'on le sais il fait son taf
T**A
Fiable
Un año y medio de uso y genial. Cumple su función.
Trustpilot
1 month ago
3 weeks ago