# ULA Period Tracker vs Flow State Cycle

The clearest difference is in-app purchases: Flow State Cycle at none against ULA Period Tracker's 4. Flow State Cycle also leads on update cadence (every 3 weeks vs every 3 months) and iOS requirement (15.1 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. ULA Period Tracker sells 4 one-off in-app purchases. Flow State Cycle asks for nothing beyond the download.

ULA Period Tracker ships an update every 3 months, Flow State Cycle every 3 weeks. The most recent releases landed on October 16, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | ULA Period Tracker | Flow State Cycle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/flow-state-cycle/id6762103850/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 10 MB | 33 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone, Apple Watch | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Jeronimo Emiliano Ainchil Calahorra](https://appshunter.io/developer/1858267608) | [Brett East](https://appshunter.io/developer/1892495827) |

## What reviewers say

### ULA Period Tracker

[App page](https://appshunter.io/ios/app/ula-period-tracker/id6756068195)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Medium Tip | $2.99 | one-time |
| Large Tip | $3.99 | one-time |
| Huge Tip | $8.99 | one-time |


### Flow State Cycle

[App page](https://appshunter.io/ios/app/flow-state-cycle/id6762103850)

This private period tracker logs your cycle with a single tap and uses your data for smart predictions. It offers symptom and mood tracking, cycle insights, and doctor-ready reports. Your health data stays on your device, ensuring complete privacy.

**Highlights:** Smart cycle predictions, Symptom and mood logging, Cycle insights and patterns, Doctor-ready PDF reports, Health ecosystem sync, CSV data export, Dark mode support

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ULA Period Tracker free?

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

### Is Flow State Cycle free?

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

### Do ULA Period Tracker or Flow State Cycle have ads?

Neither ULA Period Tracker nor Flow State Cycle shows ads.

### Which is updated more often, ULA Period Tracker or Flow State Cycle?

ULA Period Tracker ships an update every 3 months, and Flow State Cycle every 3 weeks. Most recently, ULA Period Tracker was updated on October 16, 2026 and Flow State Cycle on October 5, 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.*