# Breathe Flow vs PMDD Tracker & Diary

The clearest difference is in-app purchases: Breathe Flow at none against PMDD Tracker & Diary's 3. PMDD Tracker & Diary's advantage is update cadence (every 2 days vs every 11 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. PMDD Tracker & Diary sells 3 in-app purchases, starting at $2.99 per month. Breathe Flow asks for nothing beyond the download.

Breathe Flow ships an update every 11 months, PMDD Tracker & Diary every 2 days. The most recent releases landed on October 17, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Breathe Flow | PMDD Tracker & Diary |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 56 MB | 50 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPod, Mac** |
| Age rating | 12+ | 12+ |
| Developer | [Emre Turan](https://appshunter.io/developer/1778427377) | [Lunaire Labs Limited](https://appshunter.io/developer/6810321336) |

## What reviewers say

### Breathe Flow

[App page](https://appshunter.io/ios/app/breathe-flow/id6737902869)

Discover guided breathing exercises for stress relief, better sleep, and enhanced focus. Features include box breathing, 4-7-8 breathing, visual guidance, and educational content on breathwork and mindfulness.

**Highlights:** Box Breathing Method (4-4-4-4), 4-7-8 Breathing Method, Intuitive Visual Guidance, Educational Content on Breathwork, Stress and Anxiety Management, Improved Sleep Quality, Enhanced Focus and Concentration

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

**In-app purchases:** none


### 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 Breathe Flow free?

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

### Is PMDD Tracker & Diary free?

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

### Do Breathe Flow or PMDD Tracker & Diary have ads?

Neither Breathe Flow nor PMDD Tracker & Diary shows ads.

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

Breathe Flow ships an update every 11 months, and PMDD Tracker & Diary every 2 days. Most recently, Breathe Flow was updated on October 17, 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.*