Looking for a Jennis alternative?
Jennis, from Olympian Jessica Ennis-Hill, maps workouts to your cycle so training works with your hormones rather than against them. MoodSwings is a different shape of app — and this page is an honest comparison rather than a pitch, so the table starts with what Jennis does better.
Jennis vs MoodSwings, side by side
| Jennis | MoodSwings | |
|---|---|---|
| Known for | Jennis, from Olympian Jessica Ennis-Hill, maps workouts to your cycle so training works with your hormones rather than against them. | A calm period tracker built around how you actually feel: next-period and cycle-phase estimates, mood and symptom logging in a few taps, PMS patterns over time, and optional partner sharing. |
| Genuinely better at | Elite-athlete-designed workouts, structured around your phases with real coaching behind them. | MoodSwings is the tracking half only — your dates, your mood, your symptoms — which is what most people want day to day. |
| Day to day it feels like | Cycle awareness wrapped around coaching, training plans, content or products rather than quick daily logging. | One screen, a few taps a day. Dates, mood and symptoms in the same place — and if you want, a partner view where you choose what is visible. |
Stay with Jennis if…
…the cycle-mapped workouts are the product you want.
We would rather you kept an app that fits than switched and stopped logging after a fortnight. A half-used tracker cannot show you a pattern.
What you get if you do switch
- Predictions that learn your pattern. Next-period, cycle-day and cycle-phase estimates that adjust as you log, instead of assuming a textbook 28 days.
- Mood and symptoms next to your dates. Cramps, bloating, sleep, energy, cravings and how you felt — logged in a few taps, kept as history.
- Your PMS pattern, over months. The days before your period stop being a surprise once you can see them repeating.
- Ovulation and fertile-window estimates when you want them, from your own logged cycles.
- Optional partner sharing, on your terms. You choose whether to share at all and what a partner can see — it is off until you turn it on.
More alternatives
Longer head-to-head guides
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Stardust leans astrological. A more grounded, relationship-aware option.
MoodSwings is a wellness tracker, not a medical device — predictions are estimates, not guarantees, and nothing here is medical advice. Jennis and other product names belong to their respective owners; this comparison reflects each app's publicly described focus and our own honest read of it. We deliberately quote no ratings, review counts or prices for other apps, because those change — check the App Store for current details.