iPhone Screenshots


Pearl is a perfect match for you, if

• you are looking for an accurate cycle tracker

• you want to be sure about your fertile days

• you want to track your cycle accurately

• you are trying to conceive

• you are trying to get pregnant with PCOS

• you are looking for a reliable fertile window calculator

• you want to switch to a more accurate fertility tracking method than e.g. measuring basal body temperature or general calendar counting.

Pearl is the only app that accurately measures, monitors and analyzes the hormones responsible for your ovulation. It lets you see your individual hormonal profile and how it changes overtime. You can have insights into your own hormones and actually see how they go up and down.

Hormones are the most accurate predictors for your ovulation and are more reliable than other alleged signs of conception many ovulation tests measure. The Pearl app relies on the actual hormonal information that you measure to give you personalized predictions and safely lets you know when ovulation occurs. If you're wondering how to get pregnant with PCOS and if you have an irregular cycle, Pearl works for you as well!

With the Pearl App you will no longer have to wonder at what stage of your cycle you are, since it comes with a sleek cycle and ovulation calendar view.

You will get the most accurate results using this App together with the Pearl Kit and the urine test strips compatible with the Pearl App. You can easily order them through the App, our website, or on Amazon.

The Pearl Plan is very easy: Pearl tells you in the morning with test to use, take test as you go through your morning routine, take a picture with the App and let Pearl do the rest! It's the easiest way how to know you are ovulating.

Pearl notifies you about your highly fertile days with a clear overview of what you measured and on what dates. Perfect knowing the best time to get pregnant and for planning that miracle.

The new and updated version of the Pearl App makes measuring your hormones easier than ever before, with optional automatic strip detection a new screen where you can view all your testing results.

The app works with Apple Health.

Pearl - Expect to Expect

What’s New

Version 1.0.9

This update improves your cycle and fertility tracking experience even more:

With our all new auto-detection for your test strips! One single picture to be taken and even if multiple test strips are measured and automatically detected. This feature also supports our new test strip holder.

We listened to our international users and now also have added language support for French, Italian, Polish, Spanish and Turkish!

Happy testing and much love from the Pearl Team!

Ratings and Reviews

4.3 out of 5
8 Ratings

8 Ratings

Slave Kay ,

Great for multiple peaks!!!!

So I was really disappointed at first when my chart didn’t look like they normally do. I wasn’t sure if it required higher levels to show up or if the tests defective as all of my tests were low and I usually have 3 peaks every cycle. My fsh did still rise like usual 3 times whereas my LH was stagnant. Until my actual ovulation! It helped me pinpoint which one of my crazy peaks was actually the right one! I don’t recommend trying to transfer these tests to another app they don’t transfer values correctly. It also doesn’t update your fertile window if you ovulate later than their projected BUT your chart still will be enough. I have to use 1.5 boxes a cycle due to longer cycles (35-45 days) and highly recommend getting more if you do as well but don’t stop testing if your levels are low to begin with!

grace198701 ,

can’t continue in the latest version

can’t continue in the latest version

Developer Response ,

Thank you for your feedback We are sorry that you have issues using our app. Could you please let us know in more detail what the problem is so we can fix it in the next update.


Colorimetrix, Inc
95.6 MB

Requires iOS 11.0 or later. Compatible with iPhone and iPod touch.


English, French, German, Italian, Polish, Spanish, Turkish

Age Rating
Frequent/Intense Medical/Treatment Information
Infrequent/Mild Sexual Content and Nudity


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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