# StretchWell vs Iris

The clearest difference is in-app purchases: StretchWell at none against Iris's 1. StretchWell 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. StretchWell asks for nothing beyond the download.

StretchWell ships an update weekly, Iris every 9 days. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | StretchWell | Iris |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 9 days |
| Monetization | — | Free with in-app purchases |
| Size | 63 MB | 10 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 9+ | 4+ |
| Developer | [Waughland Stretch (Thornhill) Corp.](https://appshunter.io/developer/1831273260) | [Arbaz Siddiqui](https://appshunter.io/developer/1887947140) |

## What reviewers say

### StretchWell

[App page](https://appshunter.io/ios/app/stretchwell/id6758648724)

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is StretchWell free?

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

### Is Iris free?

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

### Do StretchWell or Iris have ads?

Iris shows ads; StretchWell does not.

### Which is updated more often, StretchWell or Iris?

StretchWell ships an update weekly, and Iris every 9 days. Most recently, StretchWell was updated on October 31, 2026 and Iris on November 5, 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.*