# Tyd Period Tracker vs ephira

The clearest difference is in-app purchases: ephira at none against Tyd Period Tracker's 3. ephira also leads on iOS requirement (15.1 vs 17.0). Tyd Period Tracker's advantage is update cadence (every 5 weeks vs every 6 months). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Tyd Period Tracker sells 3 in-app purchases, starting at $1.00 per month. ephira asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Tyd Period Tracker against 5.0 for ephira. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Tyd Period Tracker ships an update every 5 weeks, ephira every 6 months. The most recent releases landed on June 12, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Tyd Period Tracker | ephira |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/tyd-period-tracker/id6475370726/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/ephira/id6741593838/reviews) |
| Number of ratings | 1 | **2** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 6 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 5 MB | 34 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Richard Kresslein](https://appshunter.io/developer/1654544600) | [Alexander Ulbrich](https://appshunter.io/developer/1794821380) |

## What reviewers say

### Tyd Period Tracker

[App page](https://appshunter.io/ios/app/tyd-period-tracker/id6475370726)

This app helps you privately track your menstrual cycle without requiring logins or displaying ads. It offers unique features like a tampon change timer and insightful period statistics, all while prioritizing user data privacy.

**Highlights:** Private data tracking, No login required, Ad-free experience, Tampon change timer, Period statistics, Data privacy focused

**Features:** Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tyd+ Monthly | $1.00 | per month |
| Tyd+ Yearly | $9.00 | per year |
| Tyd+ | $9.99 | one-time |


### ephira

[App page](https://appshunter.io/ios/app/ephira/id6741593838)

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:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Tyd Period Tracker free?

Tyd Period Tracker is free to download, with in-app purchases available.

### Is ephira free?

ephira is free to download, with no in-app purchases.

### Which has better reviews, Tyd Period Tracker or ephira?

Tyd Period Tracker and ephira are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do Tyd Period Tracker or ephira have ads?

Neither Tyd Period Tracker nor ephira shows ads.

### Which is updated more often, Tyd Period Tracker or ephira?

Tyd Period Tracker ships an update every 5 weeks, and ephira every 6 months. Most recently, Tyd Period Tracker was updated on June 12, 2026 and ephira on September 13, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*