# Ovulation Tracker vs Shark A

The clearest difference is in-app purchases: Shark A at none against Ovulation Tracker's 10. Shark A also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 5 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Ovulation Tracker sells 10 in-app purchases, starting at $5.99 per 7 days. Shark A asks for nothing beyond the download.

Ovulation Tracker ships an update every 5 weeks, Shark A every 3 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Ovulation Tracker | Shark A |
| --- | --- | --- |
| 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 | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 19 MB | 9 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) | [Joshua Moffat](https://appshunter.io/developer/1869429519) |

## 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 (10)**

| 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 : 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 |


### Shark A

[App page](https://appshunter.io/ios/app/shark-a-track/id6790398545)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ovulation Tracker free?

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

### Is Shark A free?

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

### Do Ovulation Tracker or Shark A have ads?

Ovulation Tracker shows ads; Shark A does not.

### Which is updated more often, Ovulation Tracker or Shark A?

Ovulation Tracker ships an update every 5 weeks, and Shark A every 3 weeks. Most recently, Ovulation Tracker was updated on November 3, 2026 and Shark A on October 31, 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.*