Whether you're trying to get pregnant, or trying not to, one thing is constant throughout — fertility. Women monitor their fertility to know when it's easiest to get pregnant, which can help in either situation. Some trackers cost hundreds of dollars, while some have free apps, but each device has its own unique features. Here are five different trackers to help aid you in your fertility monitoring and your family planning.

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Mira works with a free app that pairs over BluetoothMira

Mira

Mira is a tracker that works with a smartphone iOS and Android app to let you see hormone levels in detail. The device pairs over Bluetooth. The app is color-coded so you can actually see not only when specific hormones are at their highest, but also what that means in terms of fertility.

Mira costs $199, and comes with 10 single-use trackers or wands to start. You can order additional packs of 20 for another $59.

Mira Fertility Analyzer Replacement LH Test Wands, 20 Ovulation Tests

List Price: $45.00 ($2.25 / Count)

New From: $45.00 ($2.25 / Count)in Stock

A smart bracelet, Ava is $259 and includes access to an appAva

Ava

The Ava smart bracelet will provide insight on your cycle and track your health without any additional work for you. The bracelet and app duo will detect the very beginning of your fertile window using pulse rate and other parameters that don't require peeing on a stick or taking your temperature. In addition, Ava also provides information on your sleep habits, stress levels, resting heart rate and more so you can also check up on your health.

The Ava bracelet is $259, a Plus version — which includes an e-book — is $299, and the Ava Premium, which promises you a refund if you're not pregnant in six months, is $359.

Ava ​Fertility Tracker ​2.0 – ​Digital Ovulation Tracking Bracelet ​– ​Wearable Electronic Cycle Watch, Conception Aid ​and ​Pregnancy Monitor

List Price: $310.00

New From: $310.00in Stock

This armband from Tempdrop collects temperature and motion data to pick up details about your cycleTempdrop

Tempdrop

Tempdrop is another wearable device, a fertility tracker that will provide you with accurate information to input into other fertility apps by tapping into the temperature method. The armband continuously tracks your temperature and collects thousands of data points from two temperature sensors and one motion sensor. Tempdrop then learns your sleeping and temperature patterns that correlate directly with hormonal fluctuations and ovulation cycles.

Tempdrop costs from $159 to $249 depending on which package you select.

Tempdrop Fertility and Ovulation Tracker – Wearable Basal Body Temperature (BBT) Monitoring Sensor and Fertility Charting App (Large - 11-19.7 inches)

List Price: $159.00 ($159.00 / Count)

New From: $159.00 ($159.00 / Count)in Stock

OvuSense is worn at night, reading your body core temperatureOvuSense

OvuSense and OvuCore sensor

OvuSense is, like Mira, a physical tracker that is worn at night while someone sleeps, helping to track your body core temperature. In the morning data is the downloaded to a smartphone app, and that information helps the OvuSense app predict ovulation.

The sensor and app support for two months starts at $129, with 12 months of support priced at $299, which also includes one nurse consultation. OvuSense also notes that the price may be covered by a HSA/FSA or health savings account as well.

OvuSense™ Live ovulation prediction and 99% accurate confirmation

List Price: $299.00

New From: $299.00in Stock

Kindara is an app that works with the basal body temperature (BBT) thermometer of your choosingKindara

Kindara

Kindara is an app that has a device of your choosing. Any basal body temperature (BBT) thermometer will work with the app — you just take your BBT at the same time every morning before getting up and Kindara takes care of the rest, providing you with data, a community and tips on how to reach your fertility goals. And while a BBT thermometer can set you back anywhere from $30 to $300, the Kindara app? That's free.

A fertility tracker doesn't have to be difficult — you can go super simple with a mobile app or pinpoint your exact placement with a smart device. After all, the Internet of Things is here to help, not complicate.

Basal Body Thermometer - Ovulation Predictor - BBT for Fertility Tracking - Works with Every Ovulation APP - Accurate and Highly Sensitive - for Natural Family Planning - BBT-113Ai by iProven

List Price: $11.79 ($11.79 / Count)

New From: $11.79 ($11.79 / Count)in Stock