Comparison

Period Tracker vs Dozr

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

Head to head
About

Period Tracker

This app helps you track your menstrual cycle, predict ovulation, and log symptoms. It offers personalized insights and gentle reminders to help you understand your body better. Designed for simplicity and privacy, it's a comprehensive tool for managing your reproductive health.

Highlights
  • Menstrual cycle tracking
  • Ovulation prediction
  • Period and flow logging
  • Symptom and emotion tracking
  • Personalized insights
  • Gentle reminders
Read full description

Meet Ruby – your simple, smart, and free period tracker. Whether you want to track your menstrual cycle, get accurate ovulation predictions, or simply have a clue about your period, Ruby makes it easy to understand your body. Think of it as having Aunt Flo, Aunt Ruby, and your own personal cycle tracker all in one app. With Ruby, you can: - Log your period, flow, and symptoms with just a tap - Use our ovulation tracker to know your most fertile days - Predict cycles with a free period tracker that adapts to you - Track emotions, energy, stress, and notes in one place - Get gentle reminders for upcoming periods, ovulation, and fertile windows Why choose Ruby? - Simple & private – Easy to use, built with privacy in mind. - Your cycle, your way – From teens starting their first period, to women tracking fertility, pregnancy, or perimenopause. - More than a calendar – Ruby helps you spot patterns, manage PMS, and make your cycle feel less of a mystery. How Ruby Stands Out - Have a lively cycle every month with personalized insights. - Finally, an app that helps you truly have a clue about your period. - Forget “my cycle” being hard to remember—Ruby keeps it all logged for you. It's just a clean free period app experience. Privacy policy: https://bit.ly/rafiki-privacy-policy Terms of use: https://bit.ly/rafiki-terms-of-service

About

Dozr

Features
Read full description

Dozr is the private, offline tracker for your medications, vitamins, and supplements. No account. No cloud. Set smart reminders, log doses in one tap, and build streaks that stick — your health data never leaves your iPhone. NEVER MISS A DOSE Precise daily reminders fire at exactly the right time for every medication, vitamin, and supplement. No missed doses. ONE-TAP LOGGING Mark a dose done instantly. Your Today view shows exactly what's left so you always know where you stand. BUILD YOUR STREAK Track consecutive days of adherence and watch your streak grow. Consistency becomes a habit worth keeping. FULL HISTORY, ZERO CLOUD Every dose is saved in your complete history — on your device only. Nothing ever syncs to a server or leaves your iPhone. PRIVATE BY DESIGN No account to create. No cloud to trust. 100% offline — your health data belongs to you alone. —————————————— FREE INCLUDES - Up to 5 medications, vitamins & supplements - Daily reminders - One-tap dose logging - Streak tracking DOZR PRO - Unlimited medications, vitamins & supplements - Full adherence history - All future features —————————————— No sign-up. No account. No cloud. Your health, your rules. Terms of Use: https://dozr.app/terms-of-use Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://dozr.app/privacy-policy

Screenshots

Period Tracker4 screens
Dozr4 screens

Verdict

The call

The clearest difference is ads: Dozr at none against Period Tracker's shown. Dozr also leads on update cadence (weekly vs every 2 weeks). On price, in-app purchases, 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. Period Tracker sells 1 in-app purchase, starting at $29.99 per year and Dozr sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Period Tracker ships an update every 2 weeks, Dozr weekly. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 8 level
Period Tracker versus Dozr: the parameters behind the verdict, then further details
ParameterPeriod TrackerDozr
PriceFreeFree
Rating5.0 (4 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings4 — better—
Update frequencyEvery 2 weeksWeekly — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree—
DevicesiPhone, iPad — betteriPhone
Requires iOS17.016.6 — better
Further details — not scored
Size47 MB43 MB
Age rating12+4+
DeveloperRafiki AppsVICTOR LOUREIRO BATISTA

In-app purchases

1 purchases

Period Tracker

Subscriptions1
  • Ruby Premium7 Days trial$29.991 Year
2 purchases

Dozr

Subscriptions2
  • Dozr Pro Monthly$4.991 Month
  • Dozr Pro Yearly$39.991 Year

Questions

Is Period Tracker free?
Period Tracker is free to download, with in-app purchases available.
Is Dozr free?
Dozr is free to download, with in-app purchases available.
Do Period Tracker or Dozr have ads?
Period Tracker shows ads; Dozr does not.
Which is updated more often, Period Tracker or Dozr?
Period Tracker ships an update every 2 weeks, and Dozr weekly. Most recently, Period Tracker was updated on October 30, 2026 and Dozr on October 25, 2026.

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