# Casty vs TutorFlow

Casty and TutorFlow are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Casty ships an update every 2 days, TutorFlow every 4 days. The most recent releases landed on October 1, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Casty | TutorFlow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/casty/id6740439860/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 4 days |
| Monetization | Free | — |
| Size | 23 MB | 49 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Wai Yip Li](https://appshunter.io/developer/1789980681) | [Agoras Inc.](https://appshunter.io/developer/1594590791) |

## What reviewers say

### Casty

[App page](https://appshunter.io/ios/app/casty/id6740439860)

Transform PDF documents into engaging podcasts with live transcripts and a built-in dictionary. Listen offline to educational content in Japanese or English after generation.

**Highlights:** Convert PDFs to podcasts, Live transcripts, Built-in dictionary, Offline listening, Japanese and English support

**Features:** macOS Compatibility

**In-app purchases:** none


### TutorFlow

[App page](https://appshunter.io/ios/app/tutorflow-ai-teaching-suite/id6747658224)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Casty free?

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

### Is TutorFlow free?

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

### Do Casty or TutorFlow have ads?

Neither Casty nor TutorFlow shows ads.

### Which is updated more often, Casty or TutorFlow?

Casty ships an update every 2 days, and TutorFlow every 4 days. Most recently, Casty was updated on October 1, 2026 and TutorFlow on October 2, 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.*