# Perturbation vs Screen Mirroring Smart Screen

The clearest difference is rating: Screen Mirroring Smart Screen at 4.7 against Perturbation's 2.8. Screen Mirroring Smart Screen also leads on update cadence (every 11 days vs every 4 months) and ratings volume (654 vs 8). Perturbation's advantage is in-app purchases (none vs 14) and ads (none vs shown). On price, review sentiment and device support 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. Perturbation asks for nothing beyond the download.

Screen Mirroring Smart Screen holds the better App Store score, 4.7 against 2.8. That said, the two scores are not equally well evidenced: Screen Mirroring Smart Screen has 654 ratings behind it against 8, so its average is the more settled of the two. Written reviews complicate that: 20% of Perturbation's written reviews are positive against 15% of Screen Mirroring Smart Screen's, so the app with the better star average is not the one people write more warmly about.

Perturbation ships an update every 4 months, Screen Mirroring Smart Screen every 11 days. The most recent releases landed on October 10, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Perturbation | Screen Mirroring Smart Screen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.8 (8 ratings)](https://appshunter.io/ios/app/perturbation/id1406369042/reviews) | **[4.7 (654 ratings)](https://appshunter.io/ios/app/screen-mirroring-smart-screen/id6470219556/reviews)** |
| Number of ratings | 8 | **654** |
| Positive reviews | **20.0% of reviews** | 15.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 11 days** |
| Monetization | **Free** | Subscription |
| Size | 11 MB | 67 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ooredoo Algérie](https://appshunter.io/developer/1406369041) | [Gowalk Inc.](https://appshunter.io/developer/1649775469) |

## What reviewers say

### Perturbation

[App page](https://appshunter.io/ios/app/perturbation/id1406369042)

This utility app helps users track and manage voice and data network disruptions. It provides a way to report and monitor issues related to mobile network performance.

**Highlights:** Track network disruptions, Manage voice/data issues, Report network problems

**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, Vision Pro support

**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 Perturbation free?

Perturbation 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.

### Which has better reviews, Perturbation or Screen Mirroring Smart Screen?

Screen Mirroring Smart Screen is rated higher. Perturbation averages 2.8 out of 5 from 8 ratings, while Screen Mirroring Smart Screen averages 4.7 from 654 ratings.

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

Screen Mirroring Smart Screen shows ads; Perturbation does not.

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

Perturbation ships an update every 4 months, and Screen Mirroring Smart Screen every 11 days. Most recently, Perturbation was updated on October 10, 2026 and Screen Mirroring Smart Screen 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.*