# Flyer Period Tracker vs Flow Ai

The clearest difference is iOS requirement: Flyer Period Tracker at 12.0 against Flow Ai's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Flyer Period Tracker sells 3 in-app purchases, starting at $5.99 per 7 days and Flow Ai sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Flyer Period Tracker ships an update fortnightly, Flow Ai every 3 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Flyer Period Tracker | Flow Ai |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (22 ratings)](https://appshunter.io/ios/app/flyer-period-tracker/id1556205664/reviews)** | — |
| Number of ratings | **22** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 201 MB | 50 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [Ofly Tech Co., Ltd.](https://appshunter.io/developer/1556021627) | [Geoffrey Rono](https://appshunter.io/developer/1833997308) |

## What reviewers say

### Flyer Period Tracker

[App page](https://appshunter.io/ios/app/flyer-period-tracker/id1556205664)

Track your menstrual cycles, predict fertile and ovulation days, and monitor your health with personalized insights. Get professional tips and analyze your symptoms for better well-being. Includes heart rate monitoring and health tests.

**Highlights:** Period and ovulation prediction, Fertility planning, Heart rate monitoring, Health tests and analysis, Daily health tips, Symptom and mood tracking, Cycle trend monitoring

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Flyer Premium | $5.99 | per 7 days |
| Flyer Premium | $19.99 | per month |
| Flyer Premium | $19.99 | per month |


### Flow Ai

[App page](https://appshunter.io/ios/app/flow-ai/id6751801915)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Flow Ai Premium Monthly | $4.99 | per month |
| Flow Ai Premium Yearly | $39.99 | per year |


## Frequently asked questions

### Is Flyer Period Tracker free?

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

### Is Flow Ai free?

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

### Do Flyer Period Tracker or Flow Ai have ads?

Both Flyer Period Tracker and Flow Ai show ads.

### Which is updated more often, Flyer Period Tracker or Flow Ai?

Flyer Period Tracker ships an update fortnightly, and Flow Ai every 3 weeks. Most recently, Flyer Period Tracker was updated on November 3, 2026 and Flow Ai on October 30, 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.*