# iAntiTheft vs SIMPlus

The clearest difference is rating: iAntiTheft at 4.6 against SIMPlus's 3.6. iAntiTheft also leads on review sentiment (64% vs 41%) and ratings volume (1.2K vs 157). SIMPlus's advantage is update cadence (fortnightly vs every 2 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. iAntiTheft sells 1 one-off in-app purchase and SIMPlus sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

iAntiTheft holds the better App Store score, 4.6 against 3.6. That said, the two scores are not equally well evidenced: iAntiTheft has 1.2K ratings behind it against 157, so its average is the more settled of the two. Written reviews point the same way: 64% of iAntiTheft's written reviews are positive against 41% of SIMPlus's.

iAntiTheft ships an update every 2 months, SIMPlus fortnightly. The most recent releases landed on September 18, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | iAntiTheft | SIMPlus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (1.2K ratings)](https://appshunter.io/ios/app/iantitheft/id1026601065/reviews)** | [3.6 (157 ratings)](https://appshunter.io/ios/app/simplus/id1122489699/reviews) |
| Number of ratings | **1.2K** | 157 |
| Positive reviews | **64.5% of reviews** | 41.2% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 16 MB | 27 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hung Nguyen](https://appshunter.io/developer/1022704640) | [均 魏](https://appshunter.io/developer/686984880) |

## 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


### SIMPlus

[App page](https://appshunter.io/ios/app/simplus/id1122489699)

This app enables dual SIM functionality on your iPhone, allowing you to use two numbers simultaneously. It also provides mobile phone capabilities for iPads and iPods, with integrated VoIP-PSTN calling for when Bluetooth devices are not connected.

**Highlights:** Dual SIM iPhone functionality, Mobile functionality for iPad/iPod, BLE-enabled connectivity, VoIP-PSTN call integration, Use two numbers simultaneously

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 minutes VOIP on SIMPlus | $0.99 | one-time |
| SIMPlus Widget | $0.99 | one-time |
| 20 minutes VOIP on SIMPlus | $1.99 | one-time |
| Remote Device Server Access 30 Days | $1.99 | one-time |
| 60 minutes VOIP on SIMPlus | $4.99 | one-time |
| 100 minutes voice call | $7.99 | one-time |
| 120 minutes VOIP on SIMPlus | $7.99 | one-time |
| 270 minutes VOIP on SIMPlus | $14.99 | one-time |
| Remote Device Server Access 1 Year | $19.99 | one-time |
| Remote Device Lifetime Access | $49.99 | one-time |

**What reviewers like**

- 📱 Dual SIM functionality on iPhone
- 🚀 Fast call and message delivery
- 💰 Saves money on roaming charges
- 🎨 Improved UI design in recent updates
- 📞 Call recording feature

**What reviewers complain about**

- 🔌 Requires app to stay open in background
- 🔊 Poor call audio quality and voice issues
- 📉 Frequent disconnections
- 🐛 Multiple connectivity problems
- 📱 Incompatible with some iOS versions

**Reported bugs**

- Call audio not working or distorted
- Device disconnects automatically after 1-2 minutes
- Bluetooth connection drops during calls
- Microphone not working with Bluetooth devices
- Network settings revert after saving

**Requested features**

- USSD code support for balance checks
- Apple Watch app integration
- Dark mode theme
- Conference call functionality
- Call waiting feature


## Frequently asked questions

### Is iAntiTheft free?

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

### Is SIMPlus free?

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

### Which has better reviews, iAntiTheft or SIMPlus?

iAntiTheft is rated higher. iAntiTheft averages 4.6 out of 5 from 1.2K ratings, while SIMPlus averages 3.6 from 157 ratings.

### Do iAntiTheft or SIMPlus have ads?

Neither iAntiTheft nor SIMPlus shows ads.

### Which is updated more often, iAntiTheft or SIMPlus?

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