# X Doctor vs ThirdEye

The clearest difference is price: X Doctor at Free against ThirdEye's $2.99. X Doctor also leads on in-app purchases (none vs 3) and iOS requirement (12.0 vs 15). ThirdEye's advantage is ads (none vs shown) and update cadence (fortnightly vs every 2 months). On device support there is nothing between them.

X Doctor is free to download; ThirdEye costs $2.99 up front. ThirdEye sells 3 in-app purchases, starting at $1.99 per month. X Doctor asks for nothing beyond the download.

X Doctor ships an update every 2 months, ThirdEye fortnightly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | X Doctor | ThirdEye |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/thirdeye-secure-home-camera/id6765831627/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | — | Freemium |
| Size | 45 MB | 20 MB |
| Requires iOS | **12.0** | 15 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [广州钱柜物联科技有限公司](https://appshunter.io/developer/1560291944) | [超 雷](https://appshunter.io/developer/508810619) |

## What reviewers say

### X Doctor

[App page](https://appshunter.io/ios/app/x-doctor/id6743143966)

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

**In-app purchases:** none


### ThirdEye

[App page](https://appshunter.io/ios/app/thirdeye-secure-home-camera/id6765831627)

Transform old iPhones or iPads into a secure home monitoring system without cloud storage. View live feeds locally and privately from anywhere, anytime. Ideal for baby monitoring, pet cams, and home security.

**Highlights:** No cloud storage, local privacy, Direct local peer-to-peer connection, Turn old phones into security cameras, Baby monitor, pet cam, home security, Simple setup, no account needed, iCloud sync across devices

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ThirdEye Pro Monthly | $1.99 | per month |
| ThirdEye Pro Yearly | $14.99 | per year |
| ThirdEye Pro Lifetime Purchase | $34.99 | one-time |


## Frequently asked questions

### Is X Doctor free?

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

### Is ThirdEye free?

ThirdEye costs $2.99, and also offers in-app purchases.

### Do X Doctor or ThirdEye have ads?

X Doctor shows ads; ThirdEye does not.

### Which is updated more often, X Doctor or ThirdEye?

X Doctor ships an update every 2 months, and ThirdEye fortnightly. Most recently, X Doctor was updated on October 25, 2026 and ThirdEye on October 24, 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.*