# SysProtocolo vs Screen Mirroring Smart Screen

The clearest difference is in-app purchases: SysProtocolo at none against Screen Mirroring Smart Screen's 14. SysProtocolo also leads on ads (none vs shown) and device support (3 vs 1). Screen Mirroring Smart Screen's advantage is update cadence (every 9 days vs every 22 months). On price there is nothing between them.

Both are free to download. Screen Mirroring Smart Screen sells 14 in-app purchases, starting at $0.99 per 7 days. SysProtocolo asks for nothing beyond the download.

SysProtocolo ships an update every 22 months, Screen Mirroring Smart Screen every 9 days. The most recent releases landed on September 17, 2026 and September 2, 2026 respectively.

## The numbers

| Metric | SysProtocolo | Screen Mirroring Smart Screen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (640 ratings)](https://appshunter.io/ios/app/screen-mirroring-smart-screen/id6470219556/reviews)** |
| Number of ratings | — | **640** |
| Positive reviews | — | 15.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 22 months | **Every 9 days** |
| Monetization | — | Subscription |
| Size | 56 MB | 110 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [System - Desenvolvimento de Software Ltda.](https://appshunter.io/developer/1520705514) | [Gowalk Inc.](https://appshunter.io/developer/1649775469) |

## What reviewers say

### SysProtocolo

[App page](https://appshunter.io/ios/app/sysprotocolo/id1639871566)

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

**In-app purchases:** none


### Screen Mirroring Smart Screen

[App page](https://appshunter.io/ios/app/screen-mirroring-smart-screen/id6470219556)

Mirror your iPhone or iPad screen to your TV for presentations or entertainment. Stream photos, videos, and web content with minimal delay. Offers a user-friendly experience for seamless casting.

**Highlights:** Mirror iPhone/iPad screen to TV, Stream photos and videos, Cast web videos, Low latency mirroring, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $0.99 | per 7 days |
| Weekly Premium | $1.99 | per 7 days |
| Subscription $3.99 Weekly | $3.99 | per 7 days |
| Premium Subscription | $3.99 | per 7 days |
| Subscription $4.99 Monthly | $4.99 | per month |
| Weekly Premium | $4.99 | per 7 days |
| Weekly Premium | $5.99 | per 7 days |
| Weekly Premium | $6.99 | per 7 days |
| Subscription $7.99 Weekly | $7.99 | per 7 days |
| Premium Subscription | $9.99 | per 7 days |
| Yearly subscription | $29.99 | per year |
| Subscription $39.99 Yearly | $39.99 | per year |
| Premium Subscription | $49.99 | per year |
| Yearly subscription | $59.99 | per year |

**What reviewers like**

- 🆓 Free trial option available
- 🔄 On-time cancellation feature
- 👩‍💻 Potential for customer support

**What reviewers complain about**

- 💸 Charges despite cancellation
- 🚫 False advertising of free trial
- 📉 App functionality issues and crashes


## Frequently asked questions

### Is SysProtocolo free?

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

### Is Screen Mirroring Smart Screen free?

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

### Do SysProtocolo or Screen Mirroring Smart Screen have ads?

Screen Mirroring Smart Screen shows ads; SysProtocolo does not.

### Which is updated more often, SysProtocolo or Screen Mirroring Smart Screen?

SysProtocolo ships an update every 22 months, and Screen Mirroring Smart Screen every 9 days. Most recently, SysProtocolo was updated on September 17, 2026 and Screen Mirroring Smart Screen on September 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.*