Comparison

OhSofia! AI Self vs Lu Period Tracker, Ovulation

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

Head to head
About

OhSofia! AI Self

This AI companion offers 24/7 emotional support and personal growth guidance. Explore your inner world with specialized AI characters and metaphorical cards, and track your emotional progress over time. It's a private space for self-discovery and comfort.

Highlights
  • 24/7 AI emotional support
  • Specialized AI chat characters
  • Metaphorical Associative Cards (MAC)
  • Session archive and activity journal
  • Emotional growth tracking
  • Personalized self-discovery tools
Features
Read full description

OhSofia! — your 24/7 AI companion for emotional support and personal growth. At the center of the app is Sofia, an empathetic AI companion powered by advanced language models. After a stressful day, in the middle of a hard week, or when you simply need someone understanding to talk to — Sofia is there to listen. She isn't a substitute for therapy or professional care; she's an accessible companion for comfort and clarity in everyday life. AI CHAT CHARACTERS: DIFFERENT VOICES, DIFFERENT ANGLES — ALL FREE Beyond Sofia, you'll find a collection of AI chat characters, each with its own tone and focus: a life coach for motivation and structure, a creative guide for fresh ideas, a mindful companion for calm, a mentor for guided reflection. Pick the voice that fits your moment. METAPHORICAL CARDS: A DOOR TO YOUR INNER WORLD The heart of OhSofia! is the Metaphorical Associative Cards (MAC), designed by psychologists and artists. Ask a question, pick a card, and let your own associations lead the way. The imagery works like a mirror: it helps you notice what you already feel but haven't put into words. Sofia stays at your side as a supportive guide. TRACK YOUR PATH: FROM CHAOS TO CLARITY Save your card readings in the archive, keep a journal, and watch how your inner state changes from week to week. It's a simple way to notice patterns, catch emotional triggers early, and see your own progress — at your own pace. SUPPORT AND INSPIRATION, NOT THERAPY OhSofia! is not psychotherapy or medical treatment. It's a self-help tool: a private space to work through everyday stress, sort out difficult feelings, and reconnect with yourself — whenever and wherever you need it, with no waiting lists and no complicated procedures. SOFIA PRO Unlock the full experience with a Sofia Pro subscription — monthly or yearly, cancel anytime. OhSofia! isn't tarot, and it isn't therapy. It's a personal companion for the slow, rewarding work of understanding yourself. Begin today. Terms of Use: ohsofia.com/terms-of-service Privacy Policy: ohsofia.com/privacy IMPORTANT: OhSofia! is not a crisis helpline or a medical service. Sofia is an AI, not a human and not a licensed professional. The app does not provide medical diagnosis or treatment and is not intended for treating mental disorders or other conditions. If you are in crisis, please contact a licensed professional or local emergency services. In the US, call or text 988 (Suicide & Crisis Lifeline).

About

Lu Period Tracker, Ovulation

Track your menstrual cycle and monitor your health with accurate predictions for your period. Record symptoms and cycle details to gain a comprehensive overview of your well-being and receive timely reminders. Access information quickly via widgets and Apple Watch, with secure data protection.

Highlights
  • Menstrual cycle tracking
  • Period and ovulation predictions
  • Symptom logging
  • Home and Lock screen widgets
  • Apple Watch app
  • Health app integration
  • Secure data with passcode/Face ID
Features
Read full description

Lu is an app that can assist you in keeping track of your menstrual cycle and monitoring your overall health. It enables you to make accurate predictions about the beginning and end of your period, as well as track any changes in your body during each cycle. You can record details like the heaviness of your menstruation and any related symptoms. By tracking your well-being and symptoms, you can obtain a comprehensive overview of your health and be able to visit a doctor promptly if necessary. - Use widgets on your Home and Lock screens or the Apple Watch for quick cycle info. - Securely restrict access to your data with passcode and Face ID. - Easily add new menstrual cycle and symptom records using the app on Apple Watch, even when you're away from your phone. - Synchronize your records seamlessly with the "Health" app and across your devices via iCloud. - Receive reminders for your upcoming menstrual period and customize app icon and notifications style for privacy. Whether you need to track your menstrual cycle or want to understand your health better, Lu is here to help! Download Lu for free today and start monitoring your health. Please remember, Lu's predictions are not meant to be used as a form of birth control. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

OhSofia! AI Self4 screens
Lu Period Tracker, Ovulation4 screens

Verdict

The call

The clearest difference is rating: Lu Period Tracker, Ovulation at 4.5 against OhSofia! AI Self's 4.0. Lu Period Tracker, Ovulation also leads on ratings volume (89 vs 12). OhSofia! AI Self's advantage is iOS requirement (13.0 vs 16.0). On price, review sentiment, update cadence and ads 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. OhSofia! AI Self sells 15 in-app purchases, starting at $9.99 per month and Lu Period Tracker, Ovulation sells 7 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Lu Period Tracker, Ovulation holds the better App Store score, 4.5 against 4.0. That said, the two scores are not equally well evidenced: Lu Period Tracker, Ovulation has 89 ratings behind it against 12, so its average is the more settled of the two. Written reviews complicate that: 86% of OhSofia! AI Self's written reviews are positive against 83% of Lu Period Tracker, Ovulation's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

OhSofia! AI Self ships an update fortnightly, Lu Period Tracker, Ovulation every 2 weeks. The most recent releases landed on October 3, 2026 and October 13, 2026 respectively.

Scorecard3 real differences · 7 level
OhSofia! AI Self versus Lu Period Tracker, Ovulation: the parameters behind the verdict, then further details
ParameterOhSofia! AI SelfLu Period Tracker, Ovulation
PriceFreeFree
Rating4.0 (12 ratings)4.5 (89 ratings) — better
Positive reviews85.7% of reviews — better83.3% of reviews
Number of ratings1289 — better
Update frequencyFortnightlyEvery 2 weeks — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, Apple Watch
Requires iOS13.0 — better16.0
Further details — not scored
Size133 MB29 MB
Age rating17+12+
DeveloperGrotek, Inc.Artyom Abramov

Customer experience

OhSofia! AI Self

All ratings12 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews7 reviews
Positive85.7%
Neutral0.0%
Negative14.3%

Lu Period Tracker, Ovulation

All ratings89 ratings
Positive87.6%
Neutral2.2%
Negative10.1%
Written reviews6 reviews
Positive83.3%
Neutral0.0%
Negative16.7%

In-app purchases

15 purchases

OhSofia! AI Self

Subscriptions2
  • Monthly subscription3 Days trial$9.991 Month
  • Annual subscription3 Days trial$71.991 Year
One-time13
  • Images$0.99
  • Sage$0.99
  • 9 personalities$0.99
Show 10 more
  • Black Box$0.99
  • You are Not Guilty!$0.99
  • Tandem Deck$1.99
  • Calma Deck$1.99
  • Guilt Deck$3.99
  • Maskaradas Deck$3.99
  • Rada Deck$3.99
  • Moneta Deck$3.99
  • Black Box Deck$4.99
  • 8 Decks Bundle$7.99
7 purchases

Lu Period Tracker, Ovulation

Subscriptions6
  • Lu+$1.991 Month
  • Lu+$6.991 Year
  • Lu+7 Days trial$6.991 Year
Show 3 more
  • Lu+$9.991 Year
  • Lu+7 Days trial$9.991 Year
  • Lu+1 Month trial$9.991 Year
One-time1
  • Lu+$24.99

Questions

Is OhSofia! AI Self free?
OhSofia! AI Self is free to download, with in-app purchases available.
Is Lu Period Tracker, Ovulation free?
Lu Period Tracker, Ovulation is free to download, with in-app purchases available.
Which has better reviews, OhSofia! AI Self or Lu Period Tracker, Ovulation?
Lu Period Tracker, Ovulation is rated higher. OhSofia! AI Self averages 4.0 out of 5 from 12 ratings, while Lu Period Tracker, Ovulation averages 4.5 from 89 ratings.
Do OhSofia! AI Self or Lu Period Tracker, Ovulation have ads?
Both OhSofia! AI Self and Lu Period Tracker, Ovulation show ads.
Which is updated more often, OhSofia! AI Self or Lu Period Tracker, Ovulation?
OhSofia! AI Self ships an update fortnightly, and Lu Period Tracker, Ovulation every 2 weeks. Most recently, OhSofia! AI Self was updated on October 3, 2026 and Lu Period Tracker, Ovulation on October 13, 2026.

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