# Charging Engine vs TV Cast | Screen Mirroring

The clearest difference is review sentiment: Charging Engine at 52% against TV Cast | Screen Mirroring's 0%. Charging Engine also leads on rating (4.8 vs 3.8) and ads (none vs shown). TV Cast | Screen Mirroring's advantage is monetization model (free with in-app purchases vs subscription). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Charging Engine sells 12 in-app purchases, starting at $3.99 per 7 days and TV Cast | Screen Mirroring sells 3 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Charging Engine holds the better App Store score, 4.8 against 3.8. That said, the two scores are not equally well evidenced: Charging Engine has 11K ratings behind it against 28, so its average is the more settled of the two. Written reviews point the same way: 52% of Charging Engine's written reviews are positive against 0% of TV Cast | Screen Mirroring's.

Charging Engine ships an update every 6 weeks, TV Cast | Screen Mirroring every 2 months. The most recent releases landed on October 20, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Charging Engine | TV Cast | Screen Mirroring |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (11K ratings)](https://appshunter.io/ios/app/charging-engine-4kwallpapers/id1602309907/reviews)** | [3.8 (28 ratings)](https://appshunter.io/ios/app/tv-cast-screen-mirroring/id6468443795/reviews) |
| Number of ratings | **11K** | 28 |
| Positive reviews | **51.6% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 112 MB | 66 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Bluewolf Technology Limited](https://appshunter.io/developer/1477300424) | [Brijesh Kanani](https://appshunter.io/developer/1701787580) |

## What reviewers say

### Charging Engine

[App page](https://appshunter.io/ios/app/charging-engine-4kwallpapers/id1602309907)

Enhance your phone's charging experience with dynamic, futuristic animations and live wallpapers. Visualize battery performance and enjoy regular content updates to keep your device looking fresh and engaging.

**Highlights:** Futuristic charging animations, High-definition dynamic screensavers, Dozens of 3D charging wallpapers, Live wallpaper collections, Battery performance monitor, Regular content updates

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

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ChargingEngine Subscription | $3.99 | per 7 days |
| ChargingEngine Subscription | $3.99 | per 7 days |
| Weekly subscription | $4.99 | per 7 days |
| ChargingEngine Subscription | $19.99 | per month |
| ChargingEngine Subscription | $19.99 | per month |
| ChargingEngine Subscription | $19.99 | per month |
| ChargingEngine Subscription | $23.99 | per month |
| ChargingEngine Subscription | $23.99 | per month |
| ChargingEngine Subscription | $69.99 | per year |
| ChargingEngine Subscription | $69.99 | per year |
| ChargingEngine Subscription | $69.99 | per year |
| ChargingEngine lifetime | $69.99 | one-time |

**What reviewers like**

- 🚀 Charging animations are cool
- 👍 Variety of wallpaper options
- 💡 Customizable charging experience

**What reviewers complain about**

- 🔒 Requires subscription to access full features
- 🐛 Buggy and crashes frequently
- 🔋 Drains battery when app is open
- 💸 Misleading about free trial, charges immediately

**Reported bugs**

- Wallpapers don't work as advertised
- App only functions when kept open during charging
- Subscription cannot be easily canceled

**Requested features**

- Add search bar to find desired wallpapers
- Allow users to upload their own photos/videos
- Provide option to mute sound effects
- Make app fully free without subscription


### TV Cast | Screen Mirroring

[App page](https://appshunter.io/ios/app/tv-cast-screen-mirroring/id6468443795)

Easily mirror your smartphone's screen to a larger display like your TV. Access all your media files, including photos, videos, and music, on the big screen for an enhanced viewing experience. Connect wirelessly with a simple click for fast and convenient casting.

**Highlights:** Cast to TV, All media files supported, Simple & fast connection, Universal TV Remote, Wireless Display & Mirroring, Secure connection

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Week | $1.99 | per 7 days |
| Month | $5.99 | per month |
| Year | $29.99 | per year |


## Frequently asked questions

### Is Charging Engine free?

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

### Is TV Cast | Screen Mirroring free?

TV Cast | Screen Mirroring is free to download, with in-app purchases available.

### Which has better reviews, Charging Engine or TV Cast | Screen Mirroring?

Charging Engine is rated higher. Charging Engine averages 4.8 out of 5 from 11K ratings, while TV Cast | Screen Mirroring averages 3.8 from 28 ratings.

### Do Charging Engine or TV Cast | Screen Mirroring have ads?

TV Cast | Screen Mirroring shows ads; Charging Engine does not.

### Which is updated more often, Charging Engine or TV Cast | Screen Mirroring?

Charging Engine ships an update every 6 weeks, and TV Cast | Screen Mirroring every 2 months. Most recently, Charging Engine was updated on October 20, 2026 and TV Cast | Screen Mirroring on October 13, 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.*