# Molnus vs CastOn

The clearest difference is ads: Molnus at none against CastOn's shown. Molnus also leads on monetization model (free vs free with in-app purchases) and iOS requirement (13.0 vs 16.0). CastOn's advantage is review sentiment (37% vs 13%). On price, update cadence, in-app purchases and device support there is nothing between them.

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

Molnus ships an update fortnightly, CastOn every 3 weeks. The most recent releases landed on October 14, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Molnus | CastOn |
| --- | --- | --- |
| 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 | 12.5% of reviews | **36.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 12 MB | 58 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [HJL IT & Development](https://appshunter.io/developer/1368468190) | [EpicScale Inc](https://appshunter.io/developer/1759187257) |

## What reviewers say

### Molnus

[App page](https://appshunter.io/ios/app/molnus/id1368468281)

Control and manage compatible cameras and their associated SIM cards. Receive instant notifications for events like image uploads and battery status, with secure cloud storage for your photos.

**Highlights:** Remote camera settings control, MolnusSIM card management, Event notifications (image upload, battery), Secure cloud storage, Wildlife detection, Photo gallery

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 Molnus Credits | $3.99 | one-time |
| 200 Molnus Credits | $7.99 | one-time |
| 500 Molnus Credits | $19.99 | one-time |


### CastOn

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

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


## Frequently asked questions

### Is Molnus free?

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

### Is CastOn free?

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

### Do Molnus or CastOn have ads?

CastOn shows ads; Molnus does not.

### Which is updated more often, Molnus or CastOn?

Molnus ships an update fortnightly, and CastOn every 3 weeks. Most recently, Molnus was updated on October 14, 2026 and CastOn on October 17, 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.*