# Ovulation Tracker vs Flow Ai

Ovulation Tracker and Flow Ai are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Ovulation Tracker sells 11 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.

Ovulation Tracker ships an update every 5 weeks, Flow Ai every 3 weeks. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Ovulation Tracker | Flow Ai |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (83 ratings)](https://appshunter.io/ios/app/ovulation-tracker-period-app/id1485687674/reviews)** | — |
| Number of ratings | **83** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 19 MB | 50 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Atthaporn Chanprakon](https://appshunter.io/developer/903328298) | [Geoffrey Rono](https://appshunter.io/developer/1833997308) |

## What reviewers say

### Ovulation Tracker

[App page](https://appshunter.io/ios/app/ovulation-tracker-period-app/id1485687674)

This app helps women track their menstrual cycles, ovulation, and fertile days. It offers a calendar view, health logging, and customizable themes. It aims to provide insights into reproductive health and assist in family planning.

**Highlights:** Period, ovulation, and fertility day tracking, Health log for comprehensive health overview, Well-designed health reports, Customizable wallpapers and pets, Calendar view for cycle visualization

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium Subscription | $5.99 | per 7 days |
| Yearly Premium Subscription | $39.99 | per year |
| 6-Month Premium Subscription | $49.99 | per 6 months |
| Theme : Feather | $2.99 | one-time |
| Theme : Modern Flower | $2.99 | one-time |
| Theme : Rainbow | $2.99 | one-time |
| Theme : Violette | $2.99 | one-time |
| Theme : Yellow Shape | $2.99 | one-time |
| Remove Ads | $9.99 | one-time |
| Lifetime Access | $29.99 | one-time |
| Lifetime Access | $79.99 | one-time |


### 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 Ovulation Tracker free?

Ovulation 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 Ovulation Tracker or Flow Ai have ads?

Both Ovulation Tracker and Flow Ai show ads.

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

Ovulation Tracker ships an update every 5 weeks, and Flow Ai every 3 weeks. Most recently, Ovulation Tracker was updated on October 26, 2026 and Flow Ai on October 24, 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.*