# iAntiTheft vs FastCast.

The clearest difference is review sentiment: iAntiTheft at 64% against FastCast.'s 21%. iAntiTheft also leads on rating (4.6 vs 3.8) and ads (none vs shown). FastCast.'s advantage is monetization model (ad-supported vs free with in-app purchases). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. iAntiTheft sells 1 one-off in-app purchase and FastCast. sells 3 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

iAntiTheft holds the better App Store score, 4.6 against 3.8. Both are backed by a comparable volume of ratings — 1.2K and 282 respectively. Written reviews point the same way: 64% of iAntiTheft's written reviews are positive against 21% of FastCast.'s.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 18, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | iAntiTheft | FastCast. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (1.2K ratings)](https://appshunter.io/ios/app/iantitheft/id1026601065/reviews)** | [3.8 (282 ratings)](https://appshunter.io/ios/app/fastcast/id1116898425/reviews) |
| Number of ratings | **1.2K** | 282 |
| Positive reviews | **64.5% of reviews** | 20.8% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 16 MB | 30 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Hung Nguyen](https://appshunter.io/developer/1022704640) | [Shenzhen Smart Display Vision Software Technology Co., Ltd](https://appshunter.io/developer/1798929931) |

## What reviewers say

### iAntiTheft

[App page](https://appshunter.io/ios/app/iantitheft/id1026601065)

This application provides robust security features to protect your phone from theft. It offers multiple alarm modes triggered by specific actions like cable unplugging, device movement, or removal from a pocket. The app intelligently detects calls and Siri usage to prevent false alarms and integrates with your device's security features.

**Highlights:** Four protection modes (Power, Motion, Pocket, Earphone), Smart Auto-Protection mode, Call and Siri detection, Integrates with Passcode, Touch ID, Face ID, Maximizes volume automatically, Runs reliably in the background, Today Widget support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $1.99 | one-time |

**What reviewers like**

- 🚀 Lightning-fast and reliable
- 🔒 Effective security features
- 👍 Simple and user-friendly
- 💡 Customizable alarm sounds

**What reviewers complain about**

- 🐛 Occasional bugs and crashes
- 🔋 High battery consumption
- 🔒 Alarm can be deactivated by turning off the device
- 👎 Limited free features

**Reported bugs**

- Incompatibility with newer iOS versions
- Alarm not triggering consistently
- Issues with volume control and muting

**Requested features**

- Prevent thief from turning off the device
- Add photo/video capture of the thief
- Integrate with Apple Watch for remote control
- Implement a delay option for alarm activation


### FastCast.

[App page](https://appshunter.io/ios/app/fastcast/id1116898425)

Easily mirror your phone, tablet, or PC screen to a large TV with high quality and real-time response. Stream local videos, music, and photos, or enjoy YouTube and AirPlay casting for a shared entertainment experience.

**Highlights:** Screen mirroring to large TV, Cast local videos, music, photos, YouTube casting support, AirPlay support, Real-time response and stability

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FastCast VIP Weekly | $0.99 | per 7 days |
| FastCast VIP Monthly | $1.99 | per month |
| FastCast VIP Yearly | $15.99 | per year |


## Frequently asked questions

### Is iAntiTheft free?

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

### Is FastCast. free?

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

### Which has better reviews, iAntiTheft or FastCast.?

iAntiTheft is rated higher. iAntiTheft averages 4.6 out of 5 from 1.2K ratings, while FastCast. averages 3.8 from 282 ratings.

### Do iAntiTheft or FastCast. have ads?

FastCast. shows ads; iAntiTheft does not.

### Which is updated more often, iAntiTheft or FastCast.?

iAntiTheft ships an update every 2 months, and FastCast. every 2 months. Most recently, iAntiTheft was updated on September 18, 2026 and FastCast. on September 21, 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.*