Comparison

Bloomy vs Calla

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

Head to head
About

Bloomy

This AI-powered health app acts as your daily coach for cycle health, offering reliable predictions and practical insights. It simplifies tracking for periods, ovulation, moods, and more, providing a guided experience for understanding your body.

Highlights
  • AI-powered cycle predictions
  • Period and ovulation tracking
  • Mood and weight logging
  • Pregnancy and fertility planning
  • Biomarker and symptom tracking
  • Birth control reminders
  • Guided logging for symptoms
Features
Read full description

Bloomy is an Ai-powered, smart period app designed as your daily coach for cycle health. It combines clean design, practical insights, and reliable predictions so you can understand your body without overwhelm. If you are comparing apps like flo, Bloomy gives you a more guided experience for real life: faster logging, clearer planning, and meaningful recommendations you can use today. As a complete period tracking app, Bloomy works as a period tracker, period calendar, and cycle tracker in one place. You can follow each cycle phase with a built-in period phase tracker and period ovulation tracker, track flow trends, and see your most important dates in a cycle calendar view. Whether you call it my cycle, my period calendar, or simply my calendar, Bloomy keeps your daily context easy to read and easy to act on. Bloomy is built for different life stages and needs. Many users discover us while searching period tracker apps for women, period tracker for teens, or even period tracker for kids with family guidance. Others come from queries like period tracker free, free period tracker app, free cycle tracker, or period and ovulation tracker free. Our goal is simple: make high-quality cycle support accessible while still offering depth when you need advanced tracking. Beyond standard dates, Bloomy helps you connect the full picture. You can use it as an ovulation tracker, pregnancy tracker, mood tracker, weight tracker, cramps tracker, and birth control tracker. For people focused on contraception or trying to avoid pregnancy, Bloomy supports consistent birth control routines and reminder-driven habits. For users planning conception, Bloomy includes a conception planner approach with fertile days visibility, family planning support, and an easy fertility tracker flow. Bloomy also includes advanced biomarker tracking for users who want more precision. Log body temperature and basal body temperature, review patterns with bbt tracking and a readable bbt chart, and monitor trends with a basal body temperature tracker. You can add cervical mucus observations through a structured cervical mucus tracker, combine those entries with a bmi tracker, and improve your personal chance of pregnancy awareness over time. If you are searching for natural cycles style tracking with more flexibility, Bloomy provides a practical alternative while keeping the experience human and supportive. For symptom-focused users, Bloomy helps organize recurring patterns, including discomfort often discussed around endometriosis. Instead of scattered notes, your history stays clear and actionable, making conversations with a clinician easier. If you like the idea of a cycle diary but want something more structured than free text, Bloomy gives you guided logging that still feels lightweight. What makes Bloomy different is the blend of Ai, smart predictions, and a calm ai coach style. You get relevant insights, not noise; a daily coach feel, not generic advice; and practical next steps based on your own cycle, not averages from everyone else. The app is built for people who want one trusted calendar period app for period tracker period calendar planning, ovulation support, symptom tracking, and long-term cycle confidence. If your priorities include cycle clarity, fertility calculator support, and better everyday decisions, Bloomy can become your single source of truth. From period calendar basics to advanced biometrics, from pregnancy tracker workflows to birth control consistency, Bloomy helps you move through each cycle with more confidence, better timing, and less stress. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Calla

This app helps teens understand their menstrual cycles with privacy-focused tracking. It learns individual patterns for accurate predictions and allows logging of various symptoms to connect with cycle phases. Optional parent sharing provides a simple wellness update without revealing sensitive data.

Highlights
  • Personalized cycle predictions
  • Symptom and mood logging
  • Age-appropriate cycle insights
  • Prep-day period reminders
  • Optional parent wellness sharing
  • Privacy-first data storage
Features
Read full description

Most period apps were built for adults trying to get pregnant. Calla wasn't. It's built for teens who just want to understand what's happening in their body - without the noise, the upsells, or the ovulation countdowns. Your data lives on your phone. No accounts required. No ads. No third parties, no data brokers, no advertisers. Optional parent share, if you want it. Privacy-first. Always. All your data stays on your phone. No accounts. No cloud. No ads. No data selling. Period. Built for how your body actually works Irregular cycles? That's normal, especially when you're starting out. Calla doesn't just assume a 28-day cycle - it learns your patterns and gives you predictions that actually make sense for your body. Track what matters to you Log your period, flow level, mood, energy, cramps, sleep, skin, focus, appetite, and activity. See how your cycle connects to how you feel day to day. Understand your cycle Get gentle, age-appropriate insights about each phase of your cycle - what's happening in your body and what to expect. Prep-day reminders Get a heads-up before your period is predicted to start so you're never caught off guard. Parent Mode Share a simple wellness signal with a parent or guardian - "all good" or "heads up" - without revealing any cycle details. Communication on your terms. Calla is not a medical app. It does not diagnose, treat, or prevent any medical condition. If you have health concerns, talk to a doctor.

Screenshots

Bloomy4 screens
Calla4 screens

Verdict

The call

The clearest difference is rating: Bloomy at 5.0 against Calla's 4.3. Bloomy also leads on iOS requirement (13.0 vs 15.1). Calla's advantage is in-app purchases (none vs 3). On price, ratings volume, 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. Bloomy sells 3 in-app purchases, starting at $2.99 per 7 days. Calla asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Bloomy holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 3 and 6 respectively.

Scorecard4 real differences · 5 level
Bloomy versus Calla: the parameters behind the verdict, then further details
ParameterBloomyCalla
PriceFreeFree
Rating5.0 (3 ratings) — better4.3 (6 ratings)
Number of ratings36 — better
Update frequencyEvery 2 weeks—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.0 — better15.1
Further details — not scored
Size102 MB33 MB
Age rating12+12+
DeveloperDzianis MaliushRoxana Heitz

In-app purchases

3 purchases

Bloomy

Subscriptions3
  • Weekly3 Days trial$2.997 Days
  • Monthly$7.991 Month
  • Annual$49.991 Year
None

Calla

No in-app purchases

Questions

Is Bloomy free?
Bloomy is free to download, with in-app purchases available.
Is Calla free?
Calla is free to download, with no in-app purchases.
Which has better reviews, Bloomy or Calla?
Bloomy is rated higher. Bloomy averages 5.0 out of 5 from 3 ratings, while Calla averages 4.3 from 6 ratings.
Do Bloomy or Calla have ads?
Neither Bloomy nor Calla shows ads.

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