Side-by-side comparison
| Feature | Luna | Natural Cycles |
|---|---|---|
| Main purpose | Cycle tracking, predictions, education & partner support | FDA-cleared birth control (contraception) |
| Where it runs | Inside Telegram β no install | Standalone app |
| Daily measuring | Not required | Daily basal body temperature required |
| Free tier | Yes β core tracking is free | Subscription required |
| Free trial | 89 days of Pro | Varies |
| Partner mode | Yes (Pro) | No |
| Languages | 17, incl. CIS languages | Several |
They solve different problems
Natural Cycles is regulated as a contraceptive β you take your temperature daily and it tells you fertile vs non-fertile days for birth control. Luna is a general cycle tracker: predictions, phase education, mood, tips and partner support. If you need a contraceptive method, that's Natural Cycles' lane; for everyday tracking and understanding your body, that's Luna.
Effort and cost
Natural Cycles needs daily temperature measurement and a paid subscription to function as contraception. Luna needs no daily device, keeps core tracking free, and offers Pro after an 89-day trial.
Partner support
Luna's partner mode lets your partner follow your cycle and support you. Natural Cycles is focused on its contraceptive function.
When Natural Cycles is the right tool
If your goal is hormone-free contraception and you're willing to measure your temperature daily, Natural Cycles is purpose-built and FDA-cleared for that β Luna is not a contraceptive and shouldn't be used as one. For everyday tracking, prediction, education and partner support, Luna is the simpler everyday companion.