Comparison

ephira vs Menstrudel Period Tracker

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

Head to head
About

ephira

This period tracker prioritizes your privacy by encrypting all data locally on your device. Log your cycle, symptoms, moods, and medications with confidence, knowing your information is secure and can be protected with biometrics or a password.

Highlights
  • Local data encryption
  • Track flow, symptoms, moods
  • Log medications and birth control
  • Biometric and password lock
  • Open source code available
  • Data deletion option
Features
Read full description

Stay aware of your cycle without sacrificing your privacy. Ephira is a secure period-tracker that keeps your data encrypted locally on your device. Track Your Health: Log menstrual flow, symptoms, moods, medications, birth control, and notes. Privacy First: Data is encrypted and never leaves your device. It can be locked behind biometrics (Face ID/Fingerprint) or a custom password, and can be deleted at any time. Open and Transparent: Ephira is open source under the MIT license, and you can review the code at any time on Github.

About

Menstrudel Period Tracker

This app offers a private, offline period and cycle tracker. It allows users to log symptoms, predict periods, and track LARC usage securely on their device. The open-source nature ensures transparency and user control over health data.

Highlights
  • 100% offline data storage
  • Open source and auditable code
  • Biometric security
  • Period and pill tracking
  • Period prediction
  • LARC tracking and reminders
  • Data export and import
Features
Read full description

Menstrudel: The Private, Open Source, Offline Period Tracker & Cycle Calendar Menstrudel is the simple, powerful, and private period tracker designed to give you complete control and true ownership over your health data. Unlike cloud-based solutions, Menstrudel protects your privacy and security. - - - THE 100% OFFLINE DIFFERENCE: YOUR DATA, YOUR CONTROL We prioritise your privacy above all else. When searching for a trusted period tracker or menstrual app, privacy is key. - 100% Offline Storage: All your sensitive menstrual cycle data, symptoms, and logging information is stored securely and completely offline on your device. - No Servers, No Cloud: Your data is never sent to any external server or third party. There are no accounts and no tracking. - Biometric Security: Protect your private health information with immediate biometric access controls. If you are looking for a completely offline period tracker solution, Menstrudel is the choice for data ownership. - - - OPEN SOURCE & TRANSPARENCY Trust requires transparency. Menstrudel is an open source project, meaning the code is publicly available for anyone to audit and review. - Auditable Code: Our commitment to open source ensures you know exactly how your data is handled. We are built on community trust, not corporate data collection. - Community Focused: Help us improve your favorite offline period calendar by contributing to the project. - - - CYCLE & SYMPTOM TRACKING Menstrudel is an intuitive and reliable period and pill tracker. It is designed for easy, on-the-go logging and detailed cycle analysis. - Log Everything: Track your menstrual cycle, pill intake, custom symptoms, pain, and flow with simple taps. - Period Prediction: Get reliable predictions for your next period and upcoming cycle dates with our smart period calendar function. - Reminders: Never miss a step with support for upcoming period reminders, late period alerts, and daily pill reminders built right in. - - - LARC TRACKING & REMINDERS Menstrudel allows users to track their Long-Acting Reversible Contraception usage. - Simple Logging of Administration: Easily record the exact date your LARC was administered. This creates an accurate timeline of your birth control usage. - Flexible Expiration Dates: Users can easily adjust the calculated expiration date to match their doctor's advice, allowing for off-label use or specific renewal protocols. - Never Miss a Renewal: Get timely, customisable notifications well before your LARC expires to schedule your appointment. - - - DATA PORTABILITY We make sure your health data is always accessible to you. - Export and Import: Retain full control with the ability to easily export and import your personal health data whenever you need it. - - - Choose Menstrudel: The secure, open source, and truly offline period tracker that respects your privacy.

Screenshots

ephira4 screens
Menstrudel Period Tracker4 screens

Verdict

The call

The clearest difference is update cadence: Menstrudel Period Tracker at fortnightly against ephira's every 6 months. Menstrudel Period Tracker also leads on iOS requirement (13.0 vs 15.1). On price, rating, ratings volume and ads 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for ephira against 5.0 for Menstrudel Period Tracker. Both are backed by a comparable volume of ratings — 2 and 3 respectively.

UpkeepUpdate frequency

ephira ships an update every 6 months, Menstrudel Period Tracker fortnightly. The most recent releases landed on September 13, 2026 and June 23, 2026 respectively.

Scorecard2 real differences · 8 level
ephira versus Menstrudel Period Tracker: the parameters behind the verdict, then further details
ParameterephiraMenstrudel Period Tracker
PriceFreeFree
Rating5.0 (2 ratings)5.0 (3 ratings)
Positive reviews—100.0% of reviews
Number of ratings23 — better
Update frequencyEvery 6 monthsFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.113.0 — better
Further details — not scored
Size34 MB27 MB
Age rating17+4+
DeveloperAlexander UlbrichJosh Whitticase

Customer experience

ephira

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Menstrudel Period Tracker

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

ephira

No in-app purchases

None

Menstrudel Period Tracker

No in-app purchases

Questions

Is ephira free?
ephira is free to download, with no in-app purchases.
Is Menstrudel Period Tracker free?
Menstrudel Period Tracker is free to download, with no in-app purchases.
Which has better reviews, ephira or Menstrudel Period Tracker?
ephira and Menstrudel Period Tracker are both rated 5.0 out of 5 on the App Store, from 2 and 3 ratings respectively.
Do ephira or Menstrudel Period Tracker have ads?
Neither ephira nor Menstrudel Period Tracker shows ads.
Which is updated more often, ephira or Menstrudel Period Tracker?
ephira ships an update every 6 months, and Menstrudel Period Tracker fortnightly. Most recently, ephira was updated on September 13, 2026 and Menstrudel Period Tracker on June 23, 2026.

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