# FastCast. vs WhenDr

The clearest difference is in-app purchases: WhenDr at none against FastCast.'s 3. WhenDr also leads on ads (none vs shown) and update cadence (every 2 weeks vs every 2 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. FastCast. sells 3 in-app purchases, starting at $0.99 per 7 days. WhenDr asks for nothing beyond the download.

FastCast. ships an update every 2 months, WhenDr every 2 weeks. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | FastCast. | WhenDr |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (315 ratings)](https://appshunter.io/ios/app/fastcast/id1116898425/reviews)** | — |
| Number of ratings | **315** | — |
| Positive reviews | 21.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Ad-supported | — |
| Size | 23 MB | 26 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Shenzhen Smart Display Vision Software Technology Co., Ltd](https://appshunter.io/developer/1798929931) | [CAPH](https://appshunter.io/developer/1694071938) |

## What reviewers say

### FastCast.

[App page](https://appshunter.io/ios/app/fastcast/id1116898425)

Easily mirror your phone, tablet, or PC screen to a large TV with high quality and real-time response. Stream local videos, music, and photos, or enjoy YouTube and AirPlay casting for a shared entertainment experience.

**Highlights:** Screen mirroring to large TV, Cast local videos, music, photos, YouTube casting support, AirPlay support, Real-time response and stability

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FastCast VIP Weekly | $0.99 | per 7 days |
| FastCast VIP Monthly | $1.99 | per month |
| FastCast VIP Yearly | $15.99 | per year |


### WhenDr

[App page](https://appshunter.io/ios/app/whendr/id6784605473)

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

**In-app purchases:** none


## Frequently asked questions

### Is FastCast. free?

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

### Is WhenDr free?

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

### Do FastCast. or WhenDr have ads?

FastCast. shows ads; WhenDr does not.

### Which is updated more often, FastCast. or WhenDr?

FastCast. ships an update every 2 months, and WhenDr every 2 weeks. Most recently, FastCast. was updated on October 26, 2026 and WhenDr on October 25, 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.*