# 3 vs EXTRAVIS

The clearest difference is in-app purchases: EXTRAVIS at none against 3's 15. EXTRAVIS also leads on iOS requirement (13.0 vs 15). 3's advantage is update cadence (every 3 weeks vs every 21 months). On price, ads and device support there is nothing between them.

Both are free to download. 3 sells 15 one-off in-app purchases. EXTRAVIS asks for nothing beyond the download.

3 ships an update every 3 weeks, EXTRAVIS every 21 months. The most recent releases landed on September 10, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | 3 | EXTRAVIS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (69 ratings)](https://appshunter.io/ios/app/3-link/id6449183038/reviews)** | — |
| Number of ratings | **69** | — |
| Positive reviews | 59.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 21 months |
| Monetization | Free with in-app purchases | — |
| Size | 106 MB | 204 MB |
| Requires iOS | 15 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Shenzhen Huayi Video Technology Co., Ltd.](https://appshunter.io/developer/1387357071) | [Linksmart Technology(Zhongshan) Co., Ltd.](https://appshunter.io/developer/1753871181) |

## What reviewers say

### 3

[App page](https://appshunter.io/ios/app/3-link/id6449183038)

Connect smart devices to your network for video recording and receive detection alerts. Enhance your home security by integrating additional smart devices. Get support via email for any assistance needed.

**Highlights:** Smart device network connection, Video recording, Detection alerts, Security enhancement, Additional device integration

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

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| cloud product 1 | $0.29 | one-time |
| cloud 8.49 | $8.49 | one-time |
| cloud 15.99 | $15.99 | one-time |
| cloud 24.99 | $24.99 | one-time |
| cloud single device discount | $29.99 | one-time |
| cloud 34.99 | $34.99 | one-time |
| cloud 39.99 | $39.99 | one-time |
| cloud single device | $49.99 | one-time |
| cloud 59.99 | $59.99 | one-time |
| cloud 69.99 | $69.99 | one-time |
| cloud no account | $79.99 | one-time |
| cloud 89.99 | $89.99 | one-time |
| cloud 99.99 | $99.99 | one-time |
| cloud account  no discount | $129.00 | one-time |
| cloud 139.99 | $139.99 | one-time |

**What reviewers like**

- 👍 Easy setup and use
- 🌟 Great video quality
- 💰 Good value for price
- 🔋 Solar power works well
- 🏠 Useful for home security

**What reviewers complain about**

- 🐛 App crashes frequently
- 🚫 Login button inaccessible
- ⚠️ Subscription required for recording
- 🪲 App glitches and bugs
- 🔌 Connectivity issues

**Reported bugs**

- App crashes when creating an account
- Login button is out of view and not clickable
- Cannot log in after app update
- App doesn't recognize connected devices
- Data update failed and cameras lost

**Requested features**

- Allow multiple users to be logged in simultaneously
- Fix scrolling issue on login screen
- Improve motion detection accuracy
- Allow manual recordings to be saved to SD card
- Provide clear explanations for settings


### EXTRAVIS

[App page](https://appshunter.io/ios/app/extravis/id6504791824)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 3 free?

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

### Is EXTRAVIS free?

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

### Do 3 or EXTRAVIS have ads?

Neither 3 nor EXTRAVIS shows ads.

### Which is updated more often, 3 or EXTRAVIS?

3 ships an update every 3 weeks, and EXTRAVIS every 21 months. Most recently, 3 was updated on September 10, 2026 and EXTRAVIS on September 11, 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.*