# Period Log vs Simpluna Simple Period Tracker The clearest difference is in-app purchases: Period Log at none against Simpluna Simple Period Tracker's 9. Period Log also leads on ratings volume (1.2K vs 258) and device support (4 vs 2). Simpluna Simple Period Tracker's advantage is ads (none vs shown) and update cadence (every 5 days vs every 7 months). On price, rating, review sentiment and iOS requirement there is nothing between them. Both are free to download. Simpluna Simple Period Tracker sells 9 one-off in-app purchases. Period Log asks for nothing beyond the download. On the App Store both sit at effectively the same score — 4.7 for Period Log against 4.7 for Simpluna Simple Period Tracker. Both are backed by a comparable volume of ratings — 1.2K and 258 respectively. Written reviews are what separate them: 92% of Period Log's written reviews are positive against 94% of Simpluna Simple Period Tracker's. Period Log ships an update every 7 months, Simpluna Simple Period Tracker every 5 days. The most recent releases landed on September 19, 2026 and September 26, 2026 respectively. ## The numbers | Metric | Period Log | Simpluna Simple Period Tracker | | --- | --- | --- | | Price | Free | Free | | Rating | [4.7 (1.2K ratings)](https://appshunter.io/ios/app/period-log/id494474881/reviews) | [4.7 (258 ratings)](https://appshunter.io/ios/app/simpluna-simple-period-tracker/id1528652349/reviews) | | Number of ratings | **1.2K** | 258 | | Positive reviews | 91.8% of reviews | **93.7% of reviews** | | In-app purchases | **No** | Yes | | Ads | Yes | **No** | | Update frequency | Every 7 months | **Every 5 days** | | Monetization | **Ad-supported** | Freemium | | Size | 54 MB | 94 MB | | Requires iOS | **15.6** | 16.4 | | Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad | | Age rating | 4+ | 12+ | | Developer | [倩 赵](https://appshunter.io/developer/376557917) | [Omoidasu, Inc.](https://appshunter.io/developer/1476625101) | ## What reviewers say ### Period Log [App page](https://appshunter.io/ios/app/period-log/id494474881) Track and predict your menstrual cycles, fertility, and ovulation. Log period days, flow, mood, symptoms, and more. Receive timely reminders and protect your data with password protection. **Highlights:** Track period, ovulation, and fertile days, Predict future cycles and fertile windows, Log moods, symptoms, and flow, Visual calendar with icons, Customizable reminders, Password and Touch ID protection, Pregnancy mode with due date calculation **Features:** macOS Compatibility, Apple Watch app, Vision Pro support **In-app purchases:** none **What reviewers like** - 👍 Easy to use - 📆 Helpful for tracking cycles - ⏰ Accurate period predictions - 📝 Ability to log symptoms and moods - 💻 Simple and straightforward interface **What reviewers complain about** - 💸 Too many ads in free version - 🐛 Occasional bugs or glitches - 🔄 Difficulty editing or deleting entries - 🔍 Limited customization options - 📊 Inaccurate ovulation predictions for some users **Reported bugs** - Data not saving properly after app updates - Calendar view not displaying all entries correctly - Notifications not working as expected **Requested features** - Option to remove ads - Ability to sync data across devices - More detailed symptom and mood tracking - Customizable reminders and notifications - Integration with other health apps ### Simpluna Simple Period Tracker [App page](https://appshunter.io/ios/app/simpluna-simple-period-tracker/id1528652349) This app helps you track your menstrual cycle with simple period date entry and prediction. It offers a clean interface with no ads, allowing you to record past periods, get notifications, and secure your data. Optional paid features unlock advanced tracking and customization. **Highlights:** Simple period date input and prediction, Calendar view of past and future periods, Customizable period notifications, Optional advanced features with Simpluna Plus, Passcode and Face ID app lock, Data backup and restore, Offline functionality **Features:** macOS Compatibility, Family Sharing, Vision Pro support **In-app purchases (9)** | Purchase | Price | Billing | | --- | --- | --- | | Cloud Backup | $1.99 | one-time | | Simpluna Donation (1) | $1.99 | one-time | | HealthKit Integration | $2.99 | one-time | | Data Sharing | $3.99 | one-time | | Simpluna Donation (2) | $3.99 | one-time | | Simpluna Donation (3) | $8.99 | one-time | | Simpluna Plus | $10.00 | one-time | | Simpluna Donation (4) | $24.99 | one-time | | Simpluna Donation (5) | $79.99 | one-time | **What reviewers like** - 🚀 Simple, clear, and easy to use - 🔒 No ads or unnecessary features - 👍 Customizable, clean design - 👍 Accurate period predictions - 👍 Useful reminders and notifications **What reviewers complain about** - 🐛 Occasional glitches and crashes - 🔋 Compatibility issues with newer devices **Reported bugs** - Login issues after device change - Incorrect period predictions in some cases **Requested features** - Integration with Apple Health - Ability to share data with partners - Option to add notes about sexual activity ## Frequently asked questions ### Is Period Log free? Period Log is free to download, with no in-app purchases. ### Is Simpluna Simple Period Tracker free? Simpluna Simple Period Tracker is free to download, with in-app purchases available. ### Which has better reviews, Period Log or Simpluna Simple Period Tracker? Period Log and Simpluna Simple Period Tracker are both rated 4.7 out of 5 on the App Store, from 1.2K and 258 ratings respectively. ### Do Period Log or Simpluna Simple Period Tracker have ads? Period Log shows ads; Simpluna Simple Period Tracker does not. ### Which is updated more often, Period Log or Simpluna Simple Period Tracker? Period Log ships an update every 7 months, and Simpluna Simple Period Tracker every 5 days. Most recently, Period Log was updated on September 19, 2026 and Simpluna Simple Period Tracker on September 26, 2026. --- *Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*