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Armband Size Guide

Upper arm circumference

How to Measure

  1. 1Wrap a flexible tape measure around your upper arm
  2. 2Measure at the fullest part (mid-bicep)
  3. 3Note in inches or centimeters

Size chart

Size Inches cm
Standard Armband 8.5″ – 15.5″ 21.5 – 39 cm
Extra-Long Armband 12.5″ – 18.5″ 31.5 – 47 cm
Both armbands fit most body types.
Additional bra extenders can be purchased at any store if larger sizing is required.

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What app features are included in the premium option?

By Tempdrop team

Tempdrop's optional premium app subscription offers additional insights and data interpretation. 

Tempdrop Academy 

Access to your personal fertility awareness mini course. Learn as you go with this self-paced, interactive beginner's guide to all things cycle tracking. Find Tempdrop Academy through the app menu.  

Tempdrop Academy Fertility Course

Advanced Calendar View 

See ovulation and fertility insights.

Tempdrop App Calendar

Sleep data

Track your sleep quality with Tempdrop. See an overall sleep score based on:

  • the time taken to fall asleep
  • the number and length of interruptions throughout the recording session
  • the total time you were asleep
  • deep sleep duration 
Tempdrop App Sleep Insights

Fertility insights and interpretation


This feature offers personalized cycle insights, predictions, ovulation verification, and a fertility window indication. Get automatic interpretation of your temperature readings and cervical mucus peak day. With premium access, users will receive tailored educational notifications, empowering them to make informed decisions about their reproductive health.

Tempdrop App Fertility Insights

 


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