ZoeFlow vs CalTracKs
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
ZoeFlow
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ZoeFlow β Period Tracker, Ovulation Tracker & Fertility Calendar ZoeFlow is a smart, accurate, and easy-to-use period tracker, ovulation tracker, fertility tracker, and pregnancy calendar designed to help you understand your menstrual cycle and reproductive health. Whether you want to track your period, predict ovulation, monitor fertility, or plan pregnancy, ZoeFlow gives you reliable predictions, daily insights, and helpful reminders - all in one private app. Period Tracker & Menstrual Cycle Calendar Track your period cycle with confidence using ZoeFlowβs advanced period tracker and menstrual calendar. β’ Track period dates and cycle length β’ Know your current cycle day instantly β’ See days remaining until your next period β’ Get accurate period predictions and reminders β’ Visual calendar for period, fertile, and ovulation days ZoeFlowβs period calculator learns from your cycle history to improve predictions over time. Ovulation Tracker & Fertility Predictor Understand your fertile window and ovulation timing using ZoeFlowβs intelligent ovulation tracker and fertility calculator. β’ Estimated ovulation day prediction β’ Fertile window visualization β’ Pregnancy chance indicators β’ Fertility insights based on your cycle Whether youβre trying to conceive or avoid pregnancy, ZoeFlow helps you stay informed about your fertility. Daily Cycle Insights & Symptom Tracker Track how your body changes during each menstrual phase. β’ Log symptoms, mood, discharge, and notes β’ Track hormonal phases and energy levels β’ Understand your daily body signals β’ Build awareness of your menstrual health ZoeFlow transforms daily tracking into meaningful reproductive health insights. Cycle History, Reports & Analysis Review your past menstrual cycles and identify patterns easily. β’ Compare cycle lengths and period duration β’ Identify irregular or changing cycles β’ Color-coded reproductive health calendar β’ Timeline view of your cycle history Your data helps ZoeFlow provide smarter cycle predictions over time. Smart Reminders & Health Tools Stay organized with built-in reminders and notifications. β’ Period reminders β’ Ovulation alerts β’ Medicine reminders β’ Daily health logging and notes Everything stays private, secure, and accessible only to you. Built-in Womenβs Health Calculators ZoeFlow includes essential calculators for fertility and pregnancy planning: β’ Ovulation Calculator β’ Pregnancy Calculator β’ Due Date Calculator β’ Implantation Calculator β’ IVF & Ultrasound Due Date Tools β’ Ideal Weight Calculator From cycle tracking to pregnancy planning, ZoeFlow supports every stage of your journey. Learn with Womenβs Health Guides Read helpful articles about menstrual health, fertility, pregnancy, and hormones. β’ Fertility awareness education β’ Pregnancy wellness tips β’ Cycle health guidance β’ Hormonal balance insights ZoeFlow is more than a period tracker - itβs your complete womenβs health companion. Why Choose ZoeFlow? β’ Accurate period tracker and ovulation predictor β’ Personalized fertility insights β’ Clean, modern, and easy interface β’ Private and secure tracking β’ Smart predictions powered by your cycle data ZoeFlow β Period Tracker, Ovulation Tracker & Fertility Calendar Download ZoeFlow today to track your period, predict ovulation, monitor fertility, and understand your body with confidence. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
CalTracKs
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Track calories the old fashioned way. (NO AI, ALL MANUAL ENTRIES ONLY)
Screenshots
Verdict
The clearest difference is in-app purchases: CalTracKs at none against ZoeFlow's 2. ZoeFlow's advantage is update cadence (every 8 days vs monthly) and iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. ZoeFlow sells 2 in-app purchases, starting at $1.99 per month. CalTracKs asks for nothing beyond the download.
ZoeFlow ships an update every 8 days, CalTracKs monthly. Both last shipped on November 5, 2026.
| Parameter | ZoeFlow | CalTracKs |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 8 days β better | Monthly |
| Ads | No | No |
| In-app purchases | Yes | No β better |
| Devices | iPhone, iPod β better | iPhone |
| Requires iOS | 15.0 β better | 17.0 |
| Further details β not scored | ||
| Size | 124 MB | 2 MB |
| Age rating | 12+ | 4+ |
| Developer | BLOOM IT TECH | SAHAJ SOTI |
In-app purchases
ZoeFlow
- Monthly$1.991 Month
- Yearly$12.991 Year
CalTracKs
No in-app purchases









