# Iris vs Cycle Diary

The clearest difference is in-app purchases: Cycle Diary at none against Iris's 1. Cycle Diary also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Iris sells 1 one-off in-app purchase. Cycle Diary asks for nothing beyond the download.

Iris ships an update every 9 days, Cycle Diary every 8 days. The most recent releases landed on October 31, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Iris | Cycle Diary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/iris-period-and-cycle-tracker/id6761134901/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 9 days | **Every 8 days** |
| Monetization | Free with in-app purchases | — |
| Size | 10 MB | 5 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Arbaz Siddiqui](https://appshunter.io/developer/1887947140) | [Adnan Adnan](https://appshunter.io/developer/6804409994) |

## What reviewers say

### Iris

[App page](https://appshunter.io/ios/app/iris-period-and-cycle-tracker/id6761134901)

This app offers comprehensive period and cycle tracking with advanced features like irregular cycle detection and personal insight generation. It prioritizes user privacy by keeping all data on the device, avoiding data sharing with advertisers. It also syncs with Apple Health and includes educational content on hormones.

**Highlights:** Period and cycle prediction, Irregular cycle tracking, Personalized insights and pattern detection, LH strip and BBT logging, Apple Health synchronization, Contraceptive and postpartum modes, Symptom and mood tracking

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support Iris (No Ads) | $2.99 | one-time |


### Cycle Diary

[App page](https://appshunter.io/ios/app/cycle-diary-period-tracker/id6804409992)

**In-app purchases:** none


## Frequently asked questions

### Is Iris free?

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

### Is Cycle Diary free?

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

### Do Iris or Cycle Diary have ads?

Iris shows ads; Cycle Diary does not.

### Which is updated more often, Iris or Cycle Diary?

Iris ships an update every 9 days, and Cycle Diary every 8 days. Most recently, Iris was updated on October 31, 2026 and Cycle Diary on October 29, 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.*