Comparison

Period Tracker ` vs Ondelle

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Period Tracker `

This app helps you track your menstrual cycle, ovulation, and fertility windows with personalized predictions and reminders. Log symptoms, moods, and wellness details in a beautifully designed, intuitive interface. It offers unlimited logging and a focus on user privacy with no signup required.

Highlights
  • Smart period and ovulation tracking
  • Live calendar with predictions
  • Personalized reminders
  • Fertility window insights
  • Daily wellness logging
  • Beautiful and intuitive design
Features
Read full description

Take Control of Your Cycle – Naturally and Confidently! Meet your new go-to app for tracking your period, ovulation, and everything in between. Whether you're trying to conceive or simply stay in tune with your body, our app empowers you with clear insights and easy tracking—all in a beautifully designed, easy-to-use experience! NO SIGNUP and NO LOGIN is required, so you start tracking your period immediately with your privacy 100% secure! Our app has NO ADS and you can create an UNLIMITED number of period cycle logs! --- Why You'll Love It: • Smart Period & Ovulation Tracking - Log your flow, symptoms, moods, and more to receive accurate cycle predictions tailored to you • Live Calendar Feature - Our smart calendar helps you visualize your previous period dates, and also highlights your predicted future period dates and ovulation dates – all in a visually pleasing way! • Personalized Reminders - Never be caught off guard again with helpful nudges for your next period or ovulation • Fertility Window Insights - Plan ahead with intuitive ovulation forecasts and fertile days, backed by data • Daily Wellness Logging - Track everything from cravings and cramps to sleep and energy levels • Beautiful Design, Built for You - Enjoy a calming, intuitive interface designed to make tracking your cycle feel natural and empowering Whether you're just starting your period journey or have been tracking for years, our app supports you every step of the way—with clarity, confidence, and care! Download now and start feeling in sync with your body. Your cycle, your rhythm! --- Please note that the predictions provided by this app—including estimates for your next period and ovulation dates—are based on general patterns and the information you input. These are only estimates and should not be considered medical advice or used as a substitute for professional healthcare guidance. Individual cycles may vary, and many factors can influence accuracy. For any medical concerns, fertility planning, or health decisions, please consult with a qualified medical professional. The app and its developers are not liable for any outcomes or decisions made based on the information provided. Please refer to the terms of service for more information. --- Privacy Policy: https://www.spkstudios.com/privacy-period-tracker Terms of Service: https://www.spkstudios.com/period-tracker-terms-of-service

About

Ondelle

Track your menstrual cycle, log symptoms, and view predictions privately. Offers detailed insights, pregnancy tracking, and birth control reminders with optional premium features.

Highlights
  • Period and symptom logging
  • Calendar view with fertile days
  • Cycle pattern insights
  • Pregnancy week tracking
  • Birth control reminders
  • Private data export and erasure
Features
Read full description

Meet Ondelle, a private period calendar designed to help you keep your history close. START FREE • Log when a period starts and ends, and record symptoms • See your logged dates and estimated fertile days on a clear calendar after two period starts • Take an optional illustrated tour and choose a profile illustration • Use privacy controls, app lock, manual full-data export and restore, and data erasure without a purchase EXPLORE ONDELLE PREMIUM • Read a Cycle Brief with dated observations from your own entries • Record mood, flow, temperature, cervical mucus, and ovulation-test results • Review cycle patterns and Insights • Follow pregnancy weeks with general guidance, check-ins, reminders, and a private journal • Create a personal report for appointments • Save protected recovery snapshots on this device with Memory Vault • Record a birth-control method and personal dates; set a one-time reminder for the next change, injection, check, or replacement date you enter Choose a monthly or annual subscription, or a lifetime purchase. Prices and any eligible introductory offer appear in the App Store purchase sheet. Restore Purchases is available in the app. Existing Ondelle 1.0 profiles keep access to the features previously available to them. Your health entries stay on your device unless you choose to export them. No email, phone number, or cloud account is required. Apple and RevenueCat process purchase information to verify Premium access. Ondelle is a wellness and education tool. Predictions are estimates and do not confirm ovulation; they are not contraception, medical advice, or diagnosis. Consult a qualified healthcare professional for medical questions. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Period Tracker `4 screens
Ondelle4 screens

Verdict

The call

The clearest difference is rating: Ondelle at 5.0 against Period Tracker `'s 4.0. Ondelle also leads on update cadence (daily vs every 3 months). Period Tracker `'s advantage is ratings volume (4 vs 1) and iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Period Tracker ` sells 2 in-app purchases, starting at $4.99 per month and Ondelle sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Ondelle holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

UpkeepUpdate frequency

Period Tracker ` ships an update every 3 months, Ondelle daily. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

Scorecard4 real differences · 6 level
Period Tracker ` versus Ondelle: the parameters behind the verdict, then further details
ParameterPeriod Tracker `Ondelle
PriceFreeFree
Rating4.0 (4 ratings)5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings4 — better1
Update frequencyEvery 3 monthsDaily — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size55 MB16 MB
Age rating12+17+
DeveloperSPK Studios LLCskj enterprises llc

Customer experience

Period Tracker `

All ratings4 ratings
Positive75.0%
Neutral0.0%
Negative25.0%

Ondelle

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

Period Tracker `

Subscriptions2
  • Period Tracker3 Days trial$4.991 Month
  • Ovulation Cycle Tracker3 Days trial$39.991 Year
3 purchases

Ondelle

Subscriptions2
  • Ondelle Premium Monthly$3.991 Month
  • Ondelle Premium Annual14 Days trial$29.991 Year
One-time1
  • Ondelle Premium Lifetime$79.99

Questions

Is Period Tracker ` free?
Period Tracker ` is free to download, with in-app purchases available.
Is Ondelle free?
Ondelle is free to download, with in-app purchases available.
Which has better reviews, Period Tracker ` or Ondelle?
Ondelle is rated higher. Period Tracker ` averages 4.0 out of 5 from 4 ratings, while Ondelle averages 5.0 from 1 ratings.
Do Period Tracker ` or Ondelle have ads?
Neither Period Tracker ` nor Ondelle shows ads.
Which is updated more often, Period Tracker ` or Ondelle?
Period Tracker ` ships an update every 3 months, and Ondelle daily. Most recently, Period Tracker ` was updated on October 30, 2026 and Ondelle on October 31, 2026.

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