Kindara vs Natural Cycles: how do they compare?
Kindara and Natural Cycles are both listed on HerFound, and both carry facts sourced from their own pages. Kindara: there is a free version; Natural Cycles: there is no free version. Kindara: says it may sell personal data; Natural Cycles: says it does not sell personal data for money. Last checked Nov 12, 2026.
Updated . We don't pick a winner or publish ratings. This sets out what each company says, side by side.
Side by side
 Kindara |  Natural Cycles | |
|---|---|---|
| What it is | A fertility charting app: record basal body temperature, cervical mucus and your other cycle signs. | A hormone-free birth control app: FDA-cleared and based on your body temperature. |
| Price model | Freemium | Subscription |
| Platforms | iOS, Android, Web | iOS, Android |
| Free version | There is a free version. | There is no free version. |
| Paid plan | $4.99/month or $49.99/year | $21.99/month or $149.00/year |
| Selling personal data | Says it may sell personal data. | Says it does not sell personal data for money. |
| Advertising | — | Says some data is used or shared for advertising. |
| Where your data is kept | Your data is stored on the company's servers. | Your data is stored on the company's servers. |
| Deleting your data | You can delete your data or account from inside the app. | You can ask the company to delete your data. |
| Company based in | United States | — |
| Apple Watch | Has an Apple Watch app. | Has an Apple Watch app. |
Sources: each app's own privacy policy, help pages and US App Store listing. Open either app to read the exact passage behind each line and the date we checked it. “—” means we have not sourced that fact yet. This is what each company states, not an audit of what it does.
What Kindara does
People who chart their fertility signs, whether trying to conceive, using a fertility awareness-based method, or learning about their cycle.
- 🌡️ Chart your period, basal body temperature, cervical mucus, cervical position, sex and test results
- ✏️ Custom data fields for your own observations
- 🔮 Fertility and period predictions based on your own data
- 🤝 Share your chart with a partner or healthcare practitioner
- ⌚ Apple Health sync and cervical mucus logging from Apple Watch
- 💬 A community to talk charts with other charters
- ✨ Premium adds more custom data types, moods and sensation tracking
What Natural Cycles does
Adults over 18 who want hormone-free birth control, or support with planning a pregnancy, pregnancy, postpartum and perimenopause.
- 🌡️ NC° Birth Control: a daily fertility status from your temperature and cycle data
- 🌱 NC° Plan Pregnancy: identifies your most fertile days
- 🤍 Modes for following a pregnancy, postpartum and perimenopause
- ⌚ Overnight temperature from the NC° Band or compatible wearables like Oura Ring and Apple Watch
- 📝 Log symptoms, mood and energy
- 💞 A partner view of your cycle phase and fertility status
- 📚 Cycle insights and an education library
Kindara vs Natural Cycles: common questions
Kindara: there is a free version. Natural Cycles: there is no free version.
Kindara's paid plan is listed at $4.99/month or $49.99/year. Natural Cycles's is listed at $21.99/month or $149.00/year. Prices change and differ by country; each listing shows where and when we read them.
Kindara says it may sell personal data. Natural Cycles says it does not sell personal data for money. This is what each company states in its own policy, not an audit.
Kindara: your data is stored on the company's servers. Natural Cycles: your data is stored on the company's servers.