AppMarketSpy › Health & Fitness › Cycle & Period Tracker: Rivula
Cycle & Period Tracker: Rivula
Ovulation Calendar, No Account
Glory Mae Dagapioso · Health & Fitness
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App info
- Developer
- Glory Mae Dagapioso
- Category
- Health & Fitness, Lifestyle
- Released
- Oct 5, 2026
- Version
- 1.0.1 (Oct 8, 2026)
- Price
- Free
- Size
- 6.1 MB
- Requires
- iOS 17.0
- Age rating
- 13+
- Languages
- English, Arabic, Dutch, French, German, Indonesian, Italian, Japanese, Korean, Polish, Portuguese, Russian, Simplified Chinese, Spanish, Swedish, Thai,…
In-app purchases
| Onda Pro Lifetime | $59.99 |
| Onda Pro Monthly | $5.99 |
| Onda Pro Yearly | $29.99 |
Current prices, App Store US.
🔒 Price history3 snapshots: when prices changed and new plans appearedGet Pro access
About Cycle & Period Tracker: Rivula
Rivula is a private period tracker and ovulation calendar that learns your cycle. No account, no cloud, no ads: everything you log stays on your iPhone. HONEST PREDICTIONS • Your next period with an honest range ("likely Oct 3–5") that narrows as you log • Estimated fertile window and ovulation, personalized from your own cycles • Positive LH tests and a basal temperature shift update the estimate • Apple Watch temperature: nightly wrist temperature from Apple Health helps confirm ovulation (Apple Watch Series 8 or later or Ultra, with Health sync on) • A clear heads-up when your period is late, and when a cycle is worth discussing with a doctor LOG IN ONE TAP • Flow and spotting, 20+ symptoms, moods, discharge, sex drive, LH and pregnancy tests, temperature, weight, pills, your own tags and notes • "Period started" fills in your usual length; edit any day in the calendar • Siri and…
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