# Ovulation Date Calculator vs Cycle Ally

The clearest difference is in-app purchases: Ovulation Date Calculator at none against Cycle Ally's 2. Ovulation Date Calculator also leads on update cadence (every 3 days vs every 5 weeks) and iOS requirement (16.6 vs 26.0). Cycle Ally's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Cycle Ally sells 2 in-app purchases, starting at $4.99 per month. Ovulation Date Calculator asks for nothing beyond the download.

Ovulation Date Calculator ships an update every 3 days, Cycle Ally every 5 weeks. The most recent releases landed on November 12, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | Ovulation Date Calculator | Cycle Ally |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 5 weeks |
| Size | 37 MB | 8 MB |
| Requires iOS | **16.6** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 12+ |
| Developer | [Abdelkarem Bahy Abdelkarem](https://appshunter.io/developer/1848738097) | [Maksym Beskrovnyi](https://appshunter.io/developer/6813764276) |

## What reviewers say

### Ovulation Date Calculator

[App page](https://appshunter.io/ios/app/ovulation-date-calculator/id6754885156)

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

**In-app purchases:** none


### Cycle Ally

[App page](https://appshunter.io/ios/app/cycle-ally-pcos-tracker/id6813764274)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cycle Ally Plus | $4.99 | per month |
| Cycle Ally Plus | $39.99 | per year |


## Frequently asked questions

### Is Ovulation Date Calculator free?

Ovulation Date Calculator is free to download, with no in-app purchases.

### Is Cycle Ally free?

Cycle Ally is free to download, with in-app purchases available.

### Do Ovulation Date Calculator or Cycle Ally have ads?

Ovulation Date Calculator shows ads; Cycle Ally does not.

### Which is updated more often, Ovulation Date Calculator or Cycle Ally?

Ovulation Date Calculator ships an update every 3 days, and Cycle Ally every 5 weeks. Most recently, Ovulation Date Calculator was updated on November 12, 2026 and Cycle Ally on November 13, 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.*