Comparison

Aavia vs Euki

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

Head to head
About

Aavia

Understand and manage period-related symptoms like pain, mood swings, and PMDD. Track your cycle, receive personalized relief recommendations, and gather data to advocate for your health with medical professionals.

Highlights
  • Track pain, mood, and symptoms
  • Personalized relief recommendations
  • Forecast symptom onset
  • Advocate with data for doctors
  • Learn about cycle health
  • Connect with community
Features
Read full description

If you deal with painful periods, mood swings, PMDD, PCOS, endometriosis, or mystery symptoms that disrupt your life, you're not alone, and you don't have to just "deal with it." Aavia helps you understand your pain, find what actually works, and advocate for the care you deserve. Track your patterns, get personalized relief recommendations, and finally connect the dots between your symptoms and your cycle. Proudly women & AAPI-owned. For all people with ovaries. Built with leading OBGYNs. YOUR PAIN DESERVES ANSWERS: * Identify patterns - Track pain, mood, energy, symptoms & more to see what's really going on * Get relief recommendations & perks - Science-backed tips for nutrition, movement, supplements & products tailored to YOUR body * Forecast bad days - Predict when symptoms are coming so you can plan ahead * Advocate with data - Insights to show doctors what you're experiencing (no more "it's normal") * Learn what's normal vs. common - Cycle School teaches you what pain you shouldn't ignore * Connect with community - Participate in moderated, public discussions about reproductive health and cycle symptoms. No direct messaging. FIGURE OUT IF IT'S MORE THAN “JUST” CYCLE SYMPTOMS: One minute of daily check-ins helps us spot patterns that might indicate PMDD or other conditions. Get flagged early so you can pursue diagnosis and treatment faster, not years later. FIND WHAT ACTUALLY WORKS FOR YOU: VIP members get personalized recommendations for managing pain, mood, sleep, and energy based on your unique patterns. From anti-inflammatory meal plans to workouts based on your cycle, discover what helps YOUR body feel better. YOUR DATA IS YOURS: It is our duty to keep you safe. You are in control of your personal information. Aavia does not profit from your individual health information. You can delete your account and data at any time, no questions asked. Check out our easy-to-read privacy policy, terms and conditions, and community guidelines: Privacy Policy: https://aavia.io/pages/privacy-policy Terms of Use: https://aavia.io/pages/terms-and-conditions Community Guidelines: https://aavia.io/pages/aavias-community-guidelines VIP SUBSCRIPTION: Unlock daily personalized recommendations, symptom forecasts, hormone condition screening, and more. Partner sharing via SMS included for US members. Payment charged to Apple account at purchase confirmation. Auto-renews unless turned off 24 hours before period ends. Manage in Account Settings. FSA/HSA plans are available. Learn if you are eligible: https://aavia.io/pages/fsa-hsa

About

Euki

This app offers comprehensive sexual health information and tracking tools with a strong emphasis on user privacy. It allows for customizable health tracking, period predictions, and access to a content library vetted by experts. Additionally, it features a care navigator to find reproductive health services.

Highlights
  • Customizable health tracking
  • Period and cycle predictions
  • Content library on sexual health
  • Care Navigator for health services
  • PIN protection for data
  • Anonymous data storage
Features
Read full description

Euki is the privacy first period tracker - plus so much more. Euki empowers you to take control of your health data and decisions with customizable health tools and learning resources- all with best in class privacy features. You can give feedback on the App via our anonymous, encrypted survey https://bit.ly/Euki-UX-Survey. And- if you love Euki - please help us by leaving a review in the App Store. Euki is a non-profit, open source project: co-designed by leading reproductive health researchers, privacy experts, and users like you! Learn more or donate to support our work via our website www.eukiapp.org. *Privacy. Period. No Data Collection Your data is stored locally (on your device) and nowhere else. Data Deletion You can delete data on the spot or schedule sweeps to remove sensitive information from your phone. No Third-Party Tracking When you use Euki, the only person collecting your data or tracking your activity is YOU. Anonymity You don’t need an account, email, or phone number to use Euki. PIN Protection You can set a customizable PIN passcode to protect your Euki data. *Track: Take control of your health Customizable Tracking Track everything from monthly bleeding to acne, headaches, and cramps. You can also set appointment and medication reminders. Period Predictions Know what to expect, when! The more you track, the more accurate the predictions will be. Cycle Summary Get a full picture of your cycle, from the average length of your cycle to the duration of each period, with Euki’s cycle summary. *Learn: Make Empowered Choices About Your Health Content Library Find non-judgmental information about abortion, contraception, sexually transmitted infections, and more—all vetted by health experts Personal Stories Discover real, relatable stories about other people’s sexual health experiences *Search: Find Care Options That Meet Your Needs and Preferences New Feature (Public Beta): Care Navigator Search, filter, and save up-to-date information on reproductive health care providers, from telehealth clinics to abortion support hotlines. Note: Although we have tested for privacy and security, this specific feature is in a ‘Public Beta’. This means we will be incorporating your feedback to improve its design and function. Give input via our encrypted, anonymous survey https://bit.ly/Euki-Care-Nav. Interactive Quizzes Take a quick quiz to decide which forms of contraception or other care might be best for you *Feature Details Abortion and Miscarriage Support Learn about different types of abortion and how to find a clinic you can trust Prepare for a clinic appointment, including what questions to ask a clinician and how to get financial support Set reminders to help you remember an appointment or when to take your pills Browse FAQs for answers and explore trusted resources for more information Read stories from real people who’ve had abortions or miscarriages Connect with organizations that provide free, confidential legal support Contraception Information Decide what matters most to you about contraception—like how often to take it or how to start or stop using it Access more detailed information about the contraception methods that might work for you Learn where and how to access your method of choice Comprehensive Sex Ed Explore easy-to-understand information on sex, gender, and sexuality Learn about consent and where you can turn for support Discover affirming resources that help answer other questions about LGBTQ issues, sex, gender, and health Euki Takes User Input Seriously Share feedback or requests through our anonymous, encrypted User Survey https://bit.ly/Euki-UX-Survey. Learn about or join our User Advisory Team. Reach out on social: IG @eukiapp, TikTok @euki.app Looking for other support? Email us: eukiapp@protonmail.com. Love Euki? Please help us by leaving a review in the App Store.

Screenshots

Aavia4 screens
Euki4 screens

Verdict

The call

The clearest difference is in-app purchases: Euki at none against Aavia's 20. Euki also leads on iOS requirement (13.4 vs 15.6). Aavia's advantage is rating (4.5 vs 4.1) and ratings volume (2.7K vs 116). On price, review sentiment, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Aavia sells 17 in-app purchases, starting at $4.99 per month. Euki asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Aavia holds the better App Store score, 4.5 against 4.1. That said, the two scores are not equally well evidenced: Aavia has 2.7K ratings behind it against 116, so its average is the more settled of the two. Written reviews point the same way: 76% of Aavia's written reviews are positive against 70% of Euki's.

UpkeepUpdate frequency

Aavia ships an update every 8 days, Euki every 3 weeks. The most recent releases landed on September 20, 2026 and September 23, 2026 respectively.

Scorecard6 real differences · 4 level
Aavia versus Euki: the parameters behind the verdict, then further details
ParameterAaviaEuki
PriceFreeFree
Rating4.5 (2.7K ratings) — better4.1 (116 ratings)
Positive reviews76.2% of reviews — better70.2% of reviews
Number of ratings2.7K — better116
Update frequencyEvery 8 days — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.613.4 — better
Further details — not scored
Size164 MB51 MB
Age rating12+12+
DeveloperAam Care, Inc.Euki, Inc.

Customer experience

Aavia

All ratings2,703 ratings
Positive87.2%
Neutral6.4%
Negative6.4%
Written reviews863 reviews
Positive76.2%
Neutral9.8%
Negative13.9%

Euki

All ratings116 ratings
Positive76.7%
Neutral8.6%
Negative14.7%
Written reviews104 reviews
Positive70.2%
Neutral10.6%
Negative19.2%

User reviews

Aavia

From 2.7K App Store ratings

What we love

  • 👍 Easy to use and navigate
  • 🩸 Helpful for tracking periods and symptoms
  • 🌙 Informative about hormonal cycles
  • 💕 Made by women for women
  • 🌟 Aesthetically pleasing design

Room to improve

  • 🐛 Frequent crashes and glitches
  • 🔒 Issues with data syncing and saving
  • 💰 Paywall for many key features
  • 🕰️ Unreliable notification system
  • 📊 Limited data visualization and insights

Euki

From 116 App Store ratings

What we love

  • 🔒 Strong privacy protection and data security
  • 💰 Completely free with no paywalls or premium features
  • 📱 User-friendly and intuitive interface
  • 🎓 Comprehensive reproductive health education resources
  • 🔐 PIN protection with fake password decoy feature

Room to improve

  • 🐛 Frequent app crashes and glitches
  • ❌ No dark mode option
  • 📤 Cannot export or transfer data between devices
  • ⏰ Lacks notification/reminder features for upcoming periods
  • 🎨 Unappealing graphics and design aesthetic (subjective)

Bugs and requests

Aavia

Reported bugs

5 issues
  • Inability to log past periods accurately
  • Inconsistent pill tracking and reminders
  • Sync issues between app and smart case
  • Frequent app crashes and freezes
  • Incorrect period and ovulation predictions

Requested features

5 requests
  • More customization options for logging
  • Integration with other health apps
  • Improved community features and support
  • Expanded educational content on cycles
  • Better tracking for irregular periods

Euki

Reported bugs

13 issues
  • App crashes when accessing certain features
  • Calendar display missing days
  • Randomly added contraceptive shot entries to all logged days
  • App crashes when editing past bleeding logs
  • Cycle length recalculation not updating after new data
Show 8 more
  • Inability to uncheck accidentally selected items
  • Calendar resets to current date when editing past entries
  • Icons swapped in recent updates
  • Data disappearing without user action
  • PIN fake password feature (0000) not functioning
  • Finicky tap controls for calendar editing
  • App closes when attempting to correct logged data
  • Inaccurate cycle predictions despite consistent data

Requested features

22 requests
  • Dark mode support
  • Data export/import functionality
  • Period and ovulation notifications/reminders
  • Additional symptom tracking options (back pain, leg cramps, sleep changes, bowel changes, memory issues)
  • Basal body temperature tracking
Show 17 more
  • Menstrual pad type and absorbency tracking
  • Discharge type tracking
  • Cycle day numbers displayed on calendar
  • Ovulation and luteal phase indicators on calendar
  • Medication tracking (not just contraception)
  • Custom symptom categories
  • Longer notes section (1000+ characters)
  • Photo attachment capability for notes
  • Data download/export for doctor sharing
  • Follicular and luteal phase tracking
  • Multiple flow options per day
  • Birth control pill late/early tracking options
  • Perimenopause and menopause information
  • PIN recovery/reset mechanism
  • Appointment tracking separate from symptoms
  • Cycle summary display on app opening
  • Improved calendar interface for data entry

In-app purchases

17 purchases

Aavia

Subscriptions16
  • Aavia VIP Plans$4.991 Month
  • Aavia VIP Plans7 Days trial$4.991 Month
  • VIP - Monthly7 Days trial$5.991 Month
Show 13 more
  • Aavia VIP Plans7 Days trial$5.991 Month
  • VIP - Monthly7 Days trial$6.991 Month
  • Aavia VIP Plans$9.001 Month
  • Aavia VIP Plans7 Days trial$9.001 Month
  • Aavia VIP Plans7 Days trial$14.991 Month
  • Aavia VIP Plans7 Days trial$19.001 Month
  • Aavia VIP Plans$49.001 Year
  • Aavia VIP Plans7 Days trial$49.001 Year
  • Aavia VIP Plans7 Days trial2 variants$59.001 Year
  • Aavia VIP Plans$69.001 Year
  • Aavia VIP Plans7 Days trial2 variants$69.001 Year
  • Aavia VIP Plans7 Days trial$99.001 Year
  • VIP - FSA/HSA2 variants$99.001 Year
One-time1
  • Aavia VIP Plans Lifetime$109.00
None

Euki

No in-app purchases

Questions

Is Aavia free?
Aavia is free to download, with in-app purchases available.
Is Euki free?
Euki is free to download, with no in-app purchases.
Which has better reviews, Aavia or Euki?
Aavia is rated higher. Aavia averages 4.5 out of 5 from 2.7K ratings, while Euki averages 4.1 from 116 ratings.
Do Aavia or Euki have ads?
Neither Aavia nor Euki shows ads.
Which is updated more often, Aavia or Euki?
Aavia ships an update every 8 days, and Euki every 3 weeks. Most recently, Aavia was updated on September 20, 2026 and Euki on September 23, 2026.

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