# Castflow AI Podcast Transcript vs Iris

The clearest difference is rating: Iris at 5.0 against Castflow AI Podcast Transcript's 4.4. Iris also leads on update cadence (every 8 days vs every 3 weeks). Castflow AI Podcast Transcript's advantage is iOS requirement (18.0 vs 26.0). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. Castflow AI Podcast Transcript sells 2 in-app purchases, starting at $3.99 per year and Iris sells 2 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

Iris holds the better App Store score, 5.0 against 4.4. Both are backed by a comparable volume of ratings — 7 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Castflow AI Podcast Transcript ships an update every 3 weeks, Iris every 8 days. The most recent releases landed on September 30, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Castflow AI Podcast Transcript | Iris |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (7 ratings)](https://appshunter.io/ios/app/castflow-ai-podcast-transcript/id1572179241/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/iris-personal-podcastreader/id6761699072/reviews)** |
| Number of ratings | **7** | 4 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 8 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 62 MB | 62 MB |
| Requires iOS | **18.0** | 26.0 |
| Devices | **iPhone, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [笛 姜](https://appshunter.io/developer/1561507357) | [Iris Audio LLC](https://appshunter.io/developer/1890969225) |

## What reviewers say

### Castflow AI Podcast Transcript

[App page](https://appshunter.io/ios/app/castflow-ai-podcast-transcript/id1572179241)

This podcast app offers AI-driven recommendations and advanced playback features. It allows for importing existing podcast libraries and provides tools for managing your listening experience.

**Highlights:** AI-driven podcast recommendations, AI Transcript, OPML batch import, RSS feed support, Queue play, Adjustable playback speed, Jump audio blank

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual Premium | $3.99 | per year |
| Lifetime Premium | $7.99 | one-time |


### Iris

[App page](https://appshunter.io/ios/app/iris-personal-podcastreader/id6761699072)

This app transforms articles and newsletters into personalized audio episodes using AI-powered text-to-speech. It automatically discovers subscriptions from your Gmail and allows you to schedule daily audio briefings. Listen to any web article by sharing it directly to the app.

**Highlights:** Article to podcast conversion with AI voices, Automatic Gmail subscription discovery, Scheduled daily audio episodes, Share any web article for listening, Background playback and queue management, Light and dark mode support

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Iris Pro - Monthly Subscription | $8.99 | per month |
| Iris Pro - Yearly Subscription | $59.99 | per year |


## Frequently asked questions

### Is Castflow AI Podcast Transcript free?

Castflow AI Podcast Transcript is free to download, with in-app purchases available.

### Is Iris free?

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

### Which has better reviews, Castflow AI Podcast Transcript or Iris?

Iris is rated higher. Castflow AI Podcast Transcript averages 4.4 out of 5 from 7 ratings, while Iris averages 5.0 from 4 ratings.

### Do Castflow AI Podcast Transcript or Iris have ads?

Neither Castflow AI Podcast Transcript nor Iris shows ads.

### Which is updated more often, Castflow AI Podcast Transcript or Iris?

Castflow AI Podcast Transcript ships an update every 3 weeks, and Iris every 8 days. Most recently, Castflow AI Podcast Transcript was updated on September 30, 2026 and Iris on October 15, 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.*