# Red Diary vs PMDD Tracker & Diary

The clearest difference is iOS requirement: PMDD Tracker & Diary at 15.0 against Red Diary's 17.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Red Diary sells 2 in-app purchases, starting at $0.99 per month and PMDD Tracker & Diary sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Red Diary ships an update every 3 days, PMDD Tracker & Diary every 2 days. The most recent releases landed on October 16, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Red Diary | PMDD Tracker & Diary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (9 ratings)](https://appshunter.io/ios/app/red-diary-period-tracker/id6767368239/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 days | **Every 2 days** |
| Monetization | Freemium | — |
| Size | 8 MB | 50 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPod, Mac** |
| Age rating | 12+ | 12+ |
| Developer | [RUBINS DORMEUS](https://appshunter.io/developer/1884865930) | [Lunaire Labs Limited](https://appshunter.io/developer/6810321336) |

## What reviewers say

### Red Diary

[App page](https://appshunter.io/ios/app/red-diary-period-tracker/id6767368239)

This app analyzes your symptoms, mood, energy, sleep, and activity to provide personalized insights and daily guidance tailored to your cycle phases. It offers a body weather forecast and smart recommendations for exercise, nutrition, and self-care.

**Highlights:** Personalized cycle insights, Smart daily guidance, Body weather forecast, Cycle tracking modes (fertility, pregnancy, birth control), Symptom and mood logging, HealthKit integration, Apple Watch companion app

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $0.99 | per month |
| Premium Annual | $4.99 | per year |


### PMDD Tracker & Diary

[App page](https://appshunter.io/ios/app/pmdd-tracker-and-diary/id6815994521)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $2.99 | per month |
| Premium Annual | $19.99 | per year |
| Premium Lifetime | $24.99 | one-time |


## Frequently asked questions

### Is Red Diary free?

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

### Is PMDD Tracker & Diary free?

PMDD Tracker & Diary is free to download, with in-app purchases available.

### Do Red Diary or PMDD Tracker & Diary have ads?

Neither Red Diary nor PMDD Tracker & Diary shows ads.

### Which is updated more often, Red Diary or PMDD Tracker & Diary?

Red Diary ships an update every 3 days, and PMDD Tracker & Diary every 2 days. Most recently, Red Diary was updated on October 16, 2026 and PMDD Tracker & Diary on October 19, 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.*