dilate vs Period Tracker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
dilate
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Dilate is an advanced vision therapy application which uses machine learning and augmented reality to strengthen eye muscles and raise conscious control of vision acuity. Basic steps are provided below with a learning center in development! * Step 1: Find a piece of clearly printed text on a contrasting background. (i.e - white text and black background.) * Step 2: Open the app and hold as far from your face as possible at eye level. * Step 3: Begin bringing the phone back to your face until the text cannot be seen through the dilate image unless you relax your focus (similar to looking through a store window). * Step 4: You should now be looking through the image and focusing on the text behind it. * Step 5: Play with the distance as the machine learning works differently on each device. NOTE: Text behind the image should be clear but you should be able to easily play with your focus like a store window to either look _through_ the image or at the image itself. That's it! As you do this exercise you should feel some interesting things happening in your eyes. We hope you're hooked and please share your experiences! More sophisticated exercises, videos, and research are in the works! * EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ * Terms of Use: https://dilate.info/terms/ * Privacy Policy: https://dilate.info/privacy/
Period Tracker
This app helps you track your menstrual cycle, ovulation, and fertile window using scientific data and personal symptoms. It offers daily hormone-based coaching and aims to empower users by promoting self-care and healing shame associated with menstruation.
- Period tracking
- Ovulation and fertile window prediction
- Symptom logging (BBT, cervical mucus, LH)
- Daily hormone-based coaching
- Moon calendar integration
- Feminist menstrual health focus
- Privacy-first data protection
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Baba Yaga: Period Tracker, Cycle Coach & Fertility Awareness *Why choose Baba Yaga over another period tracker?* Because your menstrual cycle is more than a calendar. It's a vital sign of your health. Baba Yaga combines period tracking, hormone education, Fertility Awareness (FAM), and personalized cycle insights to help you understand your body, not just predict your next period. *Why track your menstrual cycle?* Your cycle can reveal patterns in your energy, mood, sleep, symptoms, focus, and overall wellbeing. Learning to recognize those patterns can help you better understand your hormones and make more informed decisions about your health. *What can I track?* • Periods and cycle length • Ovulation • Fertile window • Basal body temperature (BBT) • Cervical fluid • Mood and emotions Whether your cycles are regular or irregular, Baba Yaga helps you discover meaningful patterns over time. *What is Fertility Awareness (FAM)?* Fertility Awareness is a science-based method of observing your body's natural fertility signs, including basal body temperature and cervical fluid. Baba Yaga supports sympto-thermal tracking, making it easier to learn your cycle and understand when ovulation has likely occurred. *Why is ovulation important?* Ovulation isn't only about fertility. Regular ovulation is a key indicator of hormonal health and influences progesterone production, bone health, sleep, mood, metabolism, cardiovascular health, and more. Baba Yaga helps you understand ovulation as an important part of your overall wellbeing. *Will Baba Yaga teach me about my hormones?* Yes. Receive daily hormone insights based on where you are in your cycle, helping you understand why your body, mind, and emotions may feel different throughout the month. Instead of treating your cycle as something to manage, Baba Yaga helps you build body literacy through evidence-informed education and practical guidance. *Is my health data private?* Absolutely. Baba Yaga is an independent, woman-led company based in Europe. Your menstrual data belongs to you. We comply with GDPR and are committed to keeping your health data private. We never sell your menstrual data to advertisers or data brokers. Join the Baba Yaga community for evidence-informed cycle education, articles, and resources. Instagram & TikTok: @babayagaapp Substack: The Baba Yaga Bulletin Blog: https://babayaga.app/stories Please note: Baba Yaga supports cycle awareness and Fertility Awareness education. It is not a method of birth control. Terms: https://babayaga.app/terms Privacy: https://babayaga.app/privacy/app
Screenshots
Verdict
dilate and Period Tracker are too close to call on the numbers: across 3 compared parameters — price, in-app purchases and iOS requirement among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. dilate sells 1 in-app purchase, starting at $1.99 per year and Period Tracker sells 9 in-app purchases, starting at $5.49 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | dilate | Period Tracker |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.8 (27 ratings) — better |
| Positive reviews | — | 62.5% of reviews |
| Number of ratings | — | 27 — better |
| Update frequency | — | Monthly |
| Ads | — | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | — | iPhone — better |
| Requires iOS | 15.6 — better | 16.1 |
| Further details — not scored | ||
| Size | 54 MB | 140 MB |
| Age rating | 4+ | 4+ |
| Developer | Ari Ugwu | Hans-Peter Dietz |
In-app purchases
dilate
- Dilate Pro$1.991 Year
Period Tracker
- Cycle Advisor (1 month)$5.491 Month
- Cycle Coach2 variants$5.991 Month
- Cycle Coach14 Days trial$6.991 Month
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- Cycle Coach$17.901 Year
- Cycle Coach$24.951 Year
- Cycle Coach$39.901 Year
- Cycle Coach$49.991 Year
- Cycle Coach14 Days trial$66.991 Year
- Cycle Coach - lifetime$99.00








