# PenWork Studio vs My Iris

The clearest difference is in-app purchases: PenWork Studio at none against My Iris's 5. My Iris's advantage is update cadence (every 4 days vs every 4 months) and iOS requirement (15.1 vs 26.2). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. My Iris sells 5 in-app purchases, starting at $3.99 per 7 days. PenWork Studio asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for PenWork Studio against 5.0 for My Iris. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

PenWork Studio ships an update every 4 months, My Iris every 4 days. The most recent releases landed on October 15, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | PenWork Studio | My Iris |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/penwork-studio/id6757620114/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/my-iris/id6758422987/reviews) |
| Number of ratings | **3** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 2.2 GB | 84 MB |
| Requires iOS | 26.2 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [SAMUEL S SANCHEZ](https://appshunter.io/developer/1867879973) | [David Figueroa](https://appshunter.io/developer/1872867325) |

## What reviewers say

### PenWork Studio

[App page](https://appshunter.io/ios/app/penwork-studio/id6757620114)

This AI-powered journaling app assists rappers and lyricists in crafting verses. It offers rhyme suggestions, syllable counting, flow analysis, and creative prompts to enhance songwriting and organize lyrics for studio use.

**Highlights:** AI-powered rhyme suggestions, Real-time syllable counter, Flow and emotion analysis, Daily writing prompts, Hip-hop culture insights, Organize and export lyrics

**Features:** macOS Compatibility

**In-app purchases:** none


### My Iris

[App page](https://appshunter.io/ios/app/my-iris/id6758422987)

This AI-powered app uses your smartphone camera to analyze iris patterns for personal insights into personality, energy, and life direction. It offers various scan types and a conversational AI to guide your self-discovery journey. Insights are generated instantly and are not intended as medical advice.

**Highlights:** AI-powered iris analysis, Personalized insight reports, Six distinct scan types, Conversational AI guide, Living profile tracking, Daily pulse check-ins, Gamified scan journey

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| IRIS.GenAI | $3.99 | per 7 days |
| IRIS.GenAI | $9.99 | per month |
| IRIS.GenAI | $29.99 | per year |
| IRIS.GenAI | $2.99 | one-time |
| IRIS.GenAI | $19.99 | one-time |


## Frequently asked questions

### Is PenWork Studio free?

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

### Is My Iris free?

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

### Which has better reviews, PenWork Studio or My Iris?

PenWork Studio and My Iris are both rated 5.0 out of 5 on the App Store, from 3 and 2 ratings respectively.

### Do PenWork Studio or My Iris have ads?

Neither PenWork Studio nor My Iris shows ads.

### Which is updated more often, PenWork Studio or My Iris?

PenWork Studio ships an update every 4 months, and My Iris every 4 days. Most recently, PenWork Studio was updated on October 15, 2026 and My Iris on September 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*