# Ovulation Fertility Tracker vs Attune

The clearest difference is in-app purchases: Attune at none against Ovulation Fertility Tracker's 3. Attune also leads on update cadence (every 4 days vs every 5 weeks). Ovulation Fertility Tracker's advantage is iOS requirement (15.0.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Ovulation Fertility Tracker sells 3 in-app purchases, starting at $3.99 per 7 days. Attune asks for nothing beyond the download.

Ovulation Fertility Tracker ships an update every 5 weeks, Attune every 4 days. The most recent releases landed on September 14, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Ovulation Fertility Tracker | Attune |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (6 ratings)](https://appshunter.io/ios/app/ovulation-fertility-tracker/id6745889379/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 4 days** |
| Monetization | Freemium | — |
| Size | 41 MB | 11 MB |
| Requires iOS | **15.0.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 12+ | 12+ |
| Developer | [ICarta](https://appshunter.io/developer/1505094938) | [Yushun Ohtatsume](https://appshunter.io/developer/6797223505) |

## What reviewers say

### Ovulation Fertility Tracker

[App page](https://appshunter.io/ios/app/ovulation-fertility-tracker/id6745889379)

This smart and private tool helps track menstrual cycles, predict ovulation, and support fertility goals with AI-powered insights. It offers intuitive logging of symptoms and moods, with custom reminders for key events. Designed for all cycle types, it provides reliable, data-driven guidance for reproductive health awareness.

**Highlights:** AI-based ovulation and fertile window predictions, Period tracking with cycle start and end dates, Symptom, mood, and discharge logging, Pregnancy planning support, Customizable event reminders, Private and secure local data storage

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ava AI Weekly | $3.99 | per 7 days |
| Ava Monthly | $7.99 | per month |
| Ava Annual | $69.99 | per year |


### Attune

[App page](https://appshunter.io/ios/app/attune-symptom-patterns/id6797223503)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ovulation Fertility Tracker free?

Ovulation Fertility Tracker is free to download, with in-app purchases available.

### Is Attune free?

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

### Do Ovulation Fertility Tracker or Attune have ads?

Neither Ovulation Fertility Tracker nor Attune shows ads.

### Which is updated more often, Ovulation Fertility Tracker or Attune?

Ovulation Fertility Tracker ships an update every 5 weeks, and Attune every 4 days. Most recently, Ovulation Fertility Tracker was updated on September 14, 2026 and Attune on September 16, 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.*