# CastOn vs Screen Flow

The clearest difference is ads: Screen Flow at none against CastOn's shown. CastOn's advantage is chart position (#172 vs unranked) and update cadence (every 3 weeks vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. CastOn sells 11 in-app purchases, starting at $4.99 per 7 days and Screen Flow sells 3 in-app purchases, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.

CastOn ships an update every 3 weeks, Screen Flow every 2 months. The most recent releases landed on October 19, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | CastOn | Screen Flow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (5.3K ratings)](https://appshunter.io/ios/app/caston-smart-screen-share/id6572304963/reviews)** | — |
| Number of ratings | **5.3K** | — |
| Positive reviews | 36.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#172** | — |
| Size | 58 MB | 120 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [EpicScale Inc](https://appshunter.io/developer/1759187257) | [腾飞 昝](https://appshunter.io/developer/1892444502) |

## What reviewers say

### CastOn

[App page](https://appshunter.io/ios/app/caston-smart-screen-share/id6572304963)

**Currently charting:** #172 Top Grossing · Utilities (US App Store)

Easily share your iPhone screen with others on a larger display. Stream photos, videos, browser content, or even use it as a live camera feed. Features a collaborative whiteboard for shared creativity.

**Highlights:** Screen mirroring for all iPhone content, Cast photos and videos to TV, Interactive whiteboard mode, Live camera streaming to TV, Browser mirroring for shared browsing

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $4.99 | per 7 days |
| Weekly Plan | $4.99 | per 7 days |
| Weekly Plan | $5.99 | per 7 days |
| Weekly Premium | $5.99 | per 7 days |
| Weekly Plan | $6.99 | per 7 days |
| Weekly Plan | $6.99 | per 7 days |
| Yearly Plan | $19.99 | per year |
| Annually Plan | $29.99 | per year |
| Annually Plan | $39.99 | per year |
| Lifetime access | $1.99 | one-time |
| Lifetime access | $4.99 | one-time |

**What reviewers like**

- ⭐ Excellent
- ⭐ Jesus

**What reviewers complain about**

- 🚫 Terrible app
- 🚫 Garbage
- 🚫 Doesn't work
- 🚫 Worst app ever
- 🚫 Waste of money

**Reported bugs**

- Doesn't cast iPhone to LG tv
- Unsuccessful screen sharing

**Requested features**

- Sound transfer to TV


### Screen Flow

[App page](https://appshunter.io/ios/app/screen-flow-screen-mirror/id6762602167)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP Membership | $9.99 | per 7 days |
| VIP Membership | $39.99 | per year |
| VIP Membership | $59.99 | one-time |


## Frequently asked questions

### Is CastOn free?

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

### Is Screen Flow free?

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

### Do CastOn or Screen Flow have ads?

CastOn shows ads; Screen Flow does not.

### Which is updated more often, CastOn or Screen Flow?

CastOn ships an update every 3 weeks, and Screen Flow every 2 months. Most recently, CastOn was updated on October 19, 2026 and Screen Flow on October 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.*