28 vs HydraMed
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
28
This app offers personalized fitness and wellness plans based on your menstrual cycle. Get daily exercise videos, nutrition advice, and emotional insights tailored to your body's hormonal fluctuations. Understand your biology and optimize your health.
- Daily cycle tracking
- Personalized exercise videos
- Hormone-balancing nutrition profiles
- Science-backed emotional insights
- Phase-specific guidance
- No equipment workouts
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Your energy, strength, appetite and mood shift through your cycle. 28 builds your day, your workouts and your meals around them. 28 combines cycle-based workouts, phase-based nutrition and calorie tracking, hormone health insights and Gaia, your AI wellness companion, on top of simple period and ovulation tracking. Rated 4.6 stars from more than 5,600 ratings in the US App Store. NEW: YOUR DAY, IN ORDER - A new Today screen that walks you through your day in order: check in, learn, nourish and move - It always shows your next step, from morning to night - See your phase, energy and fertile window at a glance NEW: TALK TO GAIA - Check in and ask questions with your voice. Just tap and talk - Prefer typing? Chat with Gaia anytime WORKOUTS THAT MATCH YOUR PHASE - Daily workouts designed for the menstrual, follicular, ovulatory and luteal phases - Programs from trainers of iconic supermodels - Push harder when your energy peaks, and scale back when your body asks for rest NUTRITION & CALORIE TRACKING - Track calories with targets that fit your goals and your phase - Log meals by snapping a photo - Phase-based food guidance for every part of your cycle RECIPES FROM WHAT YOU HAVE - Snap a photo of your fridge, pantry or ingredients - Get recipes matched to your current phase GROCERIES IN ONE CLICK - Order phase-specific groceries in one click through Instacart or Uber Eats MEET GAIA, YOUR AI WELLNESS COMPANION - Ask Gaia about your cycle, energy, cravings, workouts and nutrition, anytime - Get personalized guidance based on your phase and logs - Gaia provides general wellness information, not medical advice PARTNER SHARING - Invite your partner to see where you are in your cycle - They get tips on how to help in each phase, plus your fertile window OURA RING & APPLE WATCH - Connect Oura Ring or Apple Watch to refine your fertile window estimate with your overnight temperature HORMONE HEALTH, EXPLAINED - Daily insights on how estrogen and progesterone typically change across your cycle - Understand shifts in mood, sleep, energy and appetite PERIOD & OVULATION TRACKING - Period calendar with cycle predictions - Fertile window and ovulation estimates - Log symptoms, PMS, mood and more - Sign in with your email or phone number WHY WOMEN CHOOSE 28 Most fitness and diet apps assume every day is the same. Your body doesn't work that way. 28 uses cycle-based wellness to help you train, eat and feel your best all month. 28 is for general wellness and fitness. It is not a medical device and is not intended to diagnose, treat or prevent any condition, or to be used as contraception. Fertile window estimates should not be used to prevent pregnancy. Talk to a healthcare professional about medical concerns. SUBSCRIPTION 28 offers optional auto-renewing subscriptions to unlock full features. Payment is charged to your Apple ID at confirmation of purchase. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. Manage or cancel anytime in your Apple ID account settings. Privacy Policy: https://28.co/privacy Terms of Use: https://28.co/terms
HydraMed
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Never forget to take care of your health. Organize your daily routine with a simple and practical app designed to remind you to take your medications and drink water at the right times. Key Features: * Personalized medication reminders. * Notifications at your preferred times. * Water intake reminders throughout the day. * Daily hydration goals. * Simple, modern, and easy-to-use interface. * Quick and easy setup. This app helps you build healthy habits and keep your daily routine organized. Customize reminder schedules to fit your needs and receive timely notifications so you never miss your medications or hydration goals. Download now and make your health routine simpler, smarter, and more organized.
Screenshots
Verdict
The clearest difference is in-app purchases: HydraMed at none against 28's 27. On price, update cadence, ads and device support 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
Both are free to download. 28 sells 27 in-app purchases, starting at $6.99 per month. HydraMed asks for nothing beyond the download.
28 ships an update every 5 days, HydraMed every 9 days. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.
| Parameter | 28 | HydraMed |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (5.7K ratings) — better | — |
| Positive reviews | 46.8% of reviews | — |
| Number of ratings | 5.7K — better | — |
| Update frequency | Every 5 days — better | Every 9 days |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.4 | 16.4 |
| Further details — not scored | ||
| Size | 183 MB | 50 MB |
| Age rating | +17 | 4+ |
| Developer | 28 Wellness, LLC | Alex Santos Morais |
Bugs and requests
28
Reported bugs
4 issues- Inability to update period start/end dates
- Workout videos experiencing sound issues
- App randomly logging users out
- Recipes and grocery lists not syncing properly
Requested features
6 requests- Ability to manually log period start/end dates
- Integration with Apple Health for cycle data
- More diverse representation of body types
- Customizable meal plans and grocery lists
- Monthly subscription option instead of annual
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- Expanded workout library and exercise variety
HydraMed
Not enough reviews yet to summarise bugs or requests.
In-app purchases
28
- Partner Sharing3 Days trial$6.991 Month
- 28 Premium Monthly3 Days trial$15.991 Month
- 3 months premium3 Days trial$19.003 Months
Show 24 moreShow fewer
- 28 Premium Monthly3 Days trial$19.991 Month
- 28 Premium Annual3 Days trial$19.991 Year
- 28 3 months premium3 Days trial$26.003 Months
- 28 Premium Annual3 Days trial$29.991 Year
- 28 Wellness Premium3 Days trial$37.003 Months
- 28 Wellness Premium3 Days trial$37.993 Months
- 28 3 months premium3 Days trial$39.003 Months
- premium annual3 Days trial$39.001 Year
- 28 Wellness Premium3 Days trial$39.993 Months
- 28 Premium Annual3 Days trial$39.991 Year
- 28 Wellness Premium3 Days trial$49.993 Months
- 28 Annual Premium 20243 Days trial$62.001 Year
- 28 Wellness Premium3 Days trial$64.006 Months
- 28 Wellness Premium3 Days trial$67.991 Year
- 28 Wellness Premium3 Days trial$71.991 Year
- 28 Wellness Premium3 Days trial$75.003 Months
- 28 Premium Annual3 Days trial$79.001 Year
- Premium3 Days trial$89.001 Year
- 28 Wellness Premium3 Days trial$95.991 Year
- 28 Wellness Premium3 Days trial$119.991 Year
- 28 Wellness Premium3 Days trial$129.006 Months
- 28 Wellness Premium3 Days trial$179.001 Year
- 28 Wellness Premium3 Days trial$179.991 Year
- 28 Wellness Premium3 Days trial$249.991 Year
HydraMed
No in-app purchases









