# Period Tracker vs MoonFlow

The clearest difference is rating: Period Tracker at 5.0 against MoonFlow's 1.0. Period Tracker also leads on ratings volume (5 vs 1). MoonFlow's advantage is ads (none vs shown). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. Period Tracker sells 3 in-app purchases, starting at $4.99 per month and MoonFlow sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Period Tracker holds the better App Store score, 5.0 against 1.0. That said, the two scores are not equally well evidenced: Period Tracker has 5 ratings behind it against 1, so its average is the more settled of the two.

Period Tracker ships an update every 9 days, MoonFlow fortnightly. The most recent releases landed on October 28, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Period Tracker | MoonFlow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/period-tracker-cycle-diary/id6753865732/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/moonflow-period-tracker-cycle/id6756520833/reviews) |
| Number of ratings | **5** | 1 |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 9 days** | Fortnightly |
| Monetization | Free with in-app purchases | Freemium |
| Size | 200 MB | 176 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Hafiz Muhammad Talha](https://appshunter.io/developer/1835434901) | [Tarik Murat Islam](https://appshunter.io/developer/1861137277) |

## What reviewers say

### Period Tracker

[App page](https://appshunter.io/ios/app/period-tracker-cycle-diary/id6753865732)

This app helps you track your menstrual cycle, ovulation, and fertility. It offers personalized insights for managing conditions like PCOS and endometriosis, and supports those trying to conceive. Your data is kept private with password protection and no account is required.

**Highlights:** Menstrual cycle and flow tracking, Ovulation and fertile window prediction, Symptom and mood logging, Pill and birth control reminders, Personalized cycle predictions, Conception support tools

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| 6 Months | $23.95 | per 6 months |
| Yearly | $35.90 | per year |


### MoonFlow

[App page](https://appshunter.io/ios/app/moonflow-period-tracker-cycle/id6756520833)

This app helps you track your menstrual cycle, ovulation, and pregnancy with a focus on privacy. It offers accurate predictions, daily logging of symptoms, and a pregnancy mode. All your data is stored locally on your device, ensuring it's never shared or sold.

**Highlights:** Accurate period and ovulation predictions, Daily symptom and mood logging, Pregnancy mode with week-by-week development, 100% offline data storage, App lock with PIN or biometrics, Stealth mode for calculator disguise, Data export to file

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $3.99 | per month |
| Annual Premium | $29.99 | per year |
| Lifetime Access | $79.99 | one-time |


## Frequently asked questions

### Is Period Tracker free?

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

### Is MoonFlow free?

MoonFlow is free to download, with in-app purchases available.

### Which has better reviews, Period Tracker or MoonFlow?

Period Tracker is rated higher. Period Tracker averages 5.0 out of 5 from 5 ratings, while MoonFlow averages 1.0 from 1 ratings.

### Do Period Tracker or MoonFlow have ads?

Period Tracker shows ads; MoonFlow does not.

### Which is updated more often, Period Tracker or MoonFlow?

Period Tracker ships an update every 9 days, and MoonFlow fortnightly. Most recently, Period Tracker was updated on October 28, 2026 and MoonFlow on October 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.*