Biometric Lock
Shielded access via Face ID / Touch ID so your records stay hidden even if you hand over your phone.
Your cycle data shouldn't be a tech company's business.
Period tracking, reimagined for the privacy era.
A modern, zero-knowledge alternative. Your data stays 100% offline on your device.
Available on App Store
Version 1.2.0 • iOS 18+ • Designed in Europe
The 3-Second Privacy Check
Before you download any cycle tracker, ask yourself: Does it require an email login? Does it sync to a cloud? If the answer is YES, your data is exposed.
Traditional Trackers
- ❌ Require email / account
- ❌ Store data on cloud servers
- ❌ Sell to third parties
Bloom Private
- ✅ ZERO registration needed
- ✅ 100% offline SwiftData storage
- ✅ Zero-knowledge architecture
Bloom Private requires ZERO personal info. You open the app, and you are ready to log.
An app that evolves with you.
Choose your goal. We adapt the analysis, predictions, and even notifications to give you exactly what you need.
Avoid Pregnancy
Science-based predictions to identify your safe days.
Get Pregnant
Maximize your chances by pinpointing your exact fertile window.
Perimenopause
Track hot flashes and correlate hormonal changes in this new stage.
Absolute Privacy
Log your intimate health 100% offline and securely.
"
I designed Bloom Private because technology should protect your intimacy, not exploit it. That's why we built an app where your privacy isn't an option, it's the foundation. Your body. Your data. Under your control.
B
Founder of Bloom Private
Founder
Premium design. Absolute privacy.
A fluid and professional experience that puts your data under your total control.
On-Device Storage
Powered by native SwiftData. Your data never leaves your iPhone.
65+ Specialized Symptoms
Track moods, symptoms, and patterns even when you are not on your period via the intuitive Daily Log.
Stunning Dark Mode
A premium, empathetic, and beautifully optimized interface that adapts perfectly to your device.
One-Click Medical Export
Securely generate an encrypted clinical PDF of your cycle history to share directly with your gynecologist.
Understanding your body shouldn't cost you your privacy.
Understand your cycle at a glance
Visualize your current phase and evolution effortlessly.
Predictions based on your body
Not on other people's data or opaque algorithms.
Your data never leaves your device
No servers, no external synchronization, no risk.
No distractions, no manipulation
No ads, no notifications designed to hook you.
Everything in one place, under your control
Tracking, notes, and analysis in a completely private space.
Local-First Architecture
Technology that physically protects you by not using external servers.
Inclusive & Neutral Design
An elegant and professional space for everyone who menstruates.
Data Sovereignty
Export, import, or delete all your information in a second. No questions asked.
Encrypted Local Backups
Generate secure, encrypted backup files to move or restore your data whenever you want, keeping total control.
Menstrual Phase
Follicular Phase
Ovulatory Phase
Luteal Phase
Registra más de 65 síntomas diarios
Desde la temperatura basal hasta cambios de humor. Personaliza lo que trackeas para entender cómo tu ciclo afecta a todo tu cuerpo.
Temperatura Basal
Moco Cervical
Flujo Menstrual
Cólicos
Estado de Ánimo
Deseo Sexual
Hinchazón
Energía
Cravings
+56
Síntomas extra
Todos los datos se guardan solo en tu dispositivo
Nuevo: Exportación Médica
Lleva tu historial al médico.
En 1 clic.
Genera un informe PDF detallado con tu historial de ciclos, síntomas y notas para compartirlo con tu ginecólogo. La información estructurada ayuda a obtener mejores diagnósticos.
- Gráficas de temperatura y síntomas
- Resumen de longitud y variaciones del ciclo
- 100% generado en tu dispositivo
Reporte_Medico.pdf
Últimos 6 meses
Solo tú tienes acceso a este documento
Trust is built on architecture, not promises.
No Accounts
Start logging instantly. No sign-ups, no emails, and no waiting.
100% Local
Your data never leaves your iPhone: it stays exactly where it belongs.
Zero Tracking
We don't watch you. No hidden trackers, no ads, and no profiling.
Total Control
You are the only person who can access, export, or delete your data.
Privacy by Architecture
It's not a promise, it's engineering. Your data never touches our servers because, structurally, it can't.
Technical Specifications:
Local-First Architecture
All logic runs on your processor. No servers mean no possible data breaches.
Zero Cloud Dependency
We send nothing to the internet. Your intimate data doesn't exist outside your device.
AES-GCM 256 Encryption
Protected by the industry's highest security standard, integrated with Apple's Secure Enclave.
GDPR Native Design
Privacy by default, not as a legal obligation. Real digital sovereignty for you.
Bloom Insights
Solo para tus ojos
"Hemos notado que tus dolores de cabeza suelen ocurrir 2 días antes de tu fase lútea. Intenta mantenerte más hidratada en esos días."
"Tus ciclos han sido un promedio de 3 días más largos durante los últimos dos meses. ¿Has experimentado más estrés últimamente?"
Calculado localmente por tu iPhone
Análisis Inteligente.
Cero Nube.
Las aplicaciones tradicionales envían tus síntomas a sus servidores para que su algoritmo los analice. Nosotros pensamos diferente.
- 1
Aprende de ti
Encuentra patrones entre tus síntomas diarios y tus fases del ciclo.
- 2
Predicciones a medida
Se ajusta automáticamente si tienes ciclos irregulares o cambios hormonales.
- 3
Algoritmo Local-First
Toda la "Inteligencia Artificial" corre físicamente en el chip de tu móvil.
Redesign: Notifications
Notifications designed with sensitivity.
Forget about spam. We've redesigned our alerts to be subtle, motivating, and 100% private. Receive personalized post-log encouragement, compassionate reactivation alerts, and use our 'Quick Actions' to log your daily symptoms directly from the lock screen. An app that accompanies you, at your pace.
The Absolute Privacy Vault
Your Body, Your Data. Period.
Stealth Notifications
Zero awkward moments in your day-to-day. By activating discrete mode, lock screen alerts hide explicit cycle data under an aseptic 'You have a new update'.
Resources & Guides
Understand your body and your cycle through science.
Your data is yours. Your cycle too.
Join the new era of private menstrual tracking. No accounts, no trackers, no risks.
Medical Disclaimer
IMPORTANT: Bloom Private is a tracking tool, not a medical device. All information and predictions are for informational purposes only. This app is NOT a contraceptive method and should not be used to prevent pregnancy. Always consult with a healthcare professional for specialized medical advice.
Informational Only
Not a Medical Method
Free Tools
100% private calculators, no registration required
Ovulation Calculator
Period Calculator
Due Date Calculator
Post-Pill Calculator
Implantation Calculator
Safe Days Calculator
Conception Calculator
Pregnancy Weight Calculator
hCG Doubling Time Calculator
Pregnancy Weeks to Months Converter
Pregnancy Test Calculator
IVF Due Date Calculator
Due Date by Ultrasound
Frequently Asked Questions about Bloom Private
What is the best private alternative to traditional period trackers like Flo or Clue?
Bloom Private is considered the ultimate privacy-focused alternative to traditional cloud-based period trackers. Unlike other apps that store intimate health data on external servers, Bloom Private operates on a 100% local-first, Zero-Knowledge architecture using Apple's native SwiftData.
Is there a secure menstrual cycle tracker app with no account login required?
Yes, Bloom Private requires zero registration, no email, and no account creation. Your cycle logs, symptoms, and medical history are strictly encrypted and stored on your physical device, ensuring absolute anonymity and no risk of data leaks.
Can I log symptoms on a period tracker when I am not on my period?
Absolutely. Bloom Private features a comprehensive Daily Log accessible directly from the dashboard, allowing users to accurately track over 65 specialized symptoms, moods, and daily notes throughout every phase of their cycle, even on non-period days.