Comparison

Periwinkle vs Conception Calendar

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

Head to head
About

Periwinkle

This AI-powered companion offers personalized support for menopause symptoms like hot flashes, sleep issues, and mood swings. It provides expert-backed resources, tracks your symptoms, and offers instant, tailored guidance day or night.

Highlights
  • AI-powered menopause symptom chat
  • Personalized symptom tracking
  • Expert-backed resources on HRT and supplements
  • Sleep, journaling, and control tools
  • 24/7 availability for support
Features
Read full description

Periwinkle AI is your personalized menopause companion—built to help you feel heard, informed, and in control. Whether you’re in perimenopause, menopause, or post-menopause, Periwinkle answers your questions, tracks your symptoms, and provides expert-backed resources—all in one place. Chat with our AI to get real support for hot flashes, sleep problems, mood swings, brain fog, and more. Unlike generic chatbots or rushed doctor visits, Periwinkle is trained specifically on menopause. It’s designed to listen, validate, and offer practical, research-informed guidance—fast. Periwinkle is great for: • Chatting with an AI that actually understands menopause • Learning how to manage common symptoms like insomnia, anxiety, and weight gain • Accessing trustworthy guides on hormone replacement therapy (HRT), supplements, and more • Keeping track of your stage (peri, meno, post) and how your symptoms change • Getting support in the middle of the night when you wake up at 3am Smart AI Chat • Instant responses to your most pressing questions • Tailored advice based on your symptom stage and profile • Gentle suggestions, grounding techniques, and clear next steps • Always available—day or night Resources & Support • Easy-to-read articles on hormones, treatment options, and lifestyle changes • Created with real experts and reviewed for clarity • Built-in tools to help you sleep, journal, and feel more in control Important Disclaimer: Periwinkle AI does not provide medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider with any questions you may have regarding a medical condition. Do not disregard professional advice or delay seeking it because of something you read in this app. Periwinkle is private, secure, and built for you—not for ads. We’ll never sell or share your data with third parties. Terms of Use: https://legal.periwinkleai.com/terms-of-use Privacy Policy: https://legal.periwinkleai.com/privacy-policy

About

Conception Calendar

Features
Read full description

Conception Calendar helps you plan for pregnancy (TTC) with fertile window and ovulation estimates, a personal AI fertility coach, and a privacy-first design. Your health data is not stored on a server. KEY FEATURES • Fertile Window & Ovulation Estimates: Identify your fertile days and estimated peak fertility window based on the Wilcox model. • Symptothermal Tracking: Log basal body temperature (BBT) and cervical mucus for a user-input-based retrospective estimate / observation summary. • Personal AI TTC Coach (temporarily off; separate consent will be requested if reopened): Context-aware, empathetic, educational answers tailored to your cycle phase and logs. • Home-Screen "Today Ring" Widget: View your cycle day, phase, and fertile window status at a glance with Small and Medium widgets. • Cited Health Education (Learn): Educational guides are grounded in reputable clinical sources such as ACOG, ASRM, and the NHS, with direct source citations inside every article and in Settings. • Privacy-First Design: Your health data is not stored on a server. Optional Apple Health integration is available. FREE VS. PREMIUM • Free: Monthly cycle and fertility calendar, daily symptom/BBT/mucus logging, fertile window and ovulation predictions, home-screen widgets, cited Learn articles, Fun section (cultural gender predictions — for entertainment only, not scientific), plus a weekly free message allowance for the AI coach (temporarily off; separate consent will be requested if reopened). • Conception Calendar Premium (Monthly / Yearly Subscription): Unlimited questions and conversations with your personal AI TTC coach (temporarily off; separate consent will be requested if reopened). While the coach is off, Premium unlocks deeper cycle insights. Conception Calendar is not a medical device; results are estimates and cannot be used for contraception. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://dogum-takvimi.web.app/privacy-policy-en.html

Screenshots

Periwinkle4 screens
Conception Calendar4 screens

Verdict

The call

The clearest difference is in-app purchases: Conception Calendar at none against Periwinkle's 2. On price, ads, device support and iOS requirement 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. Periwinkle sells 2 in-app purchases, starting at $14.99 per month. Conception Calendar asks for nothing beyond the download.

Scorecard1 real difference · 9 level
Periwinkle versus Conception Calendar: the parameters behind the verdict, then further details
ParameterPeriwinkleConception Calendar
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequency—Every 6 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPad — betteriPhone
Requires iOS16.6 — better17.0
Further details — not scored
Size24 MB2 MB
Age rating4+17+
DeveloperMaura CallahanKerim Oz

In-app purchases

2 purchases

Periwinkle

Subscriptions2
  • Unlimited Access7 Days trial$14.991 Month
  • Unlimited Access7 Days trial$99.991 Year
None

Conception Calendar

No in-app purchases

Questions

Is Periwinkle free?
Periwinkle is free to download, with in-app purchases available.
Is Conception Calendar free?
Conception Calendar is free to download, with no in-app purchases.
Do Periwinkle or Conception Calendar have ads?
Neither Periwinkle nor Conception Calendar shows ads.

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