# Smart Head Track for OpenTrack vs VoidLink

The clearest difference is price: Smart Head Track for OpenTrack at Free against VoidLink's $1.49. VoidLink's advantage is rating (4.6 vs 3.2) and review sentiment (86% vs 63%). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

Smart Head Track for OpenTrack is free to download; VoidLink costs $1.49 up front. Smart Head Track for OpenTrack sells 1 one-off in-app purchase and VoidLink sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

VoidLink holds the better App Store score, 4.6 against 3.2. Both are backed by a comparable volume of ratings — 39 and 95 respectively. Written reviews point the same way: 63% of Smart Head Track for OpenTrack's written reviews are positive against 86% of VoidLink's.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 21, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Smart Head Track for OpenTrack | VoidLink |
| --- | --- | --- |
| Price | **Free** | $1.49 |
| Rating | [3.2 (39 ratings)](https://appshunter.io/ios/app/smart-head-track-for-opentrack/id1531547793/reviews) | **[4.6 (95 ratings)](https://appshunter.io/ios/app/voidlink-extreme/id6755103808/reviews)** |
| Number of ratings | 39 | **95** |
| Positive reviews | 62.9% of reviews | **86.5% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | — | **#105** |
| Size | 103 MB | 14 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Apple TV** |
| Age rating | 4+ | 12+ |
| Developer | [TINAC Inc.](https://appshunter.io/developer/539875795) | [伟敏 张](https://appshunter.io/developer/1802519759) |

## What reviewers say

### Smart Head Track for OpenTrack

[App page](https://appshunter.io/ios/app/smart-head-track-for-opentrack/id1531547793)

Transform your iPhone or iPad into a head tracker for PC games. Control your in-game camera by moving your head, eliminating the need for expensive hardware. Enjoy precise calibration and a seamless setup for an immersive gaming experience.

**Highlights:** Head tracking for PC games, Uses phone's front camera and ARKit, Compatible with FreeTrack/TrackIR games, Easy WiFi or USB setup, Independent axis calibration, Simulation mode for preview, Power saving options

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Upgrade | $8.99 | one-time |

**What reviewers like**

- 👍 Great alternative to TrackIR
- 👍 Works well with flight simulators
- 👍 Easy setup and configuration
- 👍 Good value for money
- 👍 Smooth and accurate tracking

**What reviewers complain about**

- 😞 Free trial is too short
- 😞 Expensive subscription
- 😞 USB connection issues
- 😞 Latency issues with Wi-Fi
- 😞 Tracking can be lost easily

**Reported bugs**

- App crashes when switching to USB
- USB connection not working
- Tracking is lost easily
- Buggy tracking performance
- Headtrack exe won't start after Windows reinstall

**Requested features**

- Allow choice of camera on phone
- Background mode for headtracking
- Delay on re-centering
- Automatic re-center feature
- Wired/USB connection support


### VoidLink

[App page](https://appshunter.io/ios/app/voidlink-extreme/id6755103808)

**Currently charting:** #105 Top Paid · Games, #177 Top Paid (US App Store)

This app enhances game streaming performance on iOS devices with features like HDR support and picture-in-picture mode. It offers advanced tools for drawing, external controller customization, and on-screen widgets for a tailored gaming experience.

**Highlights:** Enhanced streaming performance, HDR and YUV 4:4:4 streaming, Picture-in-picture mode, Drawing toolkit with pressure mapping, External controller mapping, Advanced touch and on-screen widgets, Motion control mapping

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Drawing Toolkit | $5.99 | one-time |


## Frequently asked questions

### Is Smart Head Track for OpenTrack free?

Smart Head Track for OpenTrack is free to download, with in-app purchases available.

### Is VoidLink free?

VoidLink costs $1.49, and also offers in-app purchases.

### Which has better reviews, Smart Head Track for OpenTrack or VoidLink?

VoidLink is rated higher. Smart Head Track for OpenTrack averages 3.2 out of 5 from 39 ratings, while VoidLink averages 4.6 from 95 ratings.

### Do Smart Head Track for OpenTrack or VoidLink have ads?

Neither Smart Head Track for OpenTrack nor VoidLink shows ads.

### Which is updated more often, Smart Head Track for OpenTrack or VoidLink?

Smart Head Track for OpenTrack ships an update weekly, and VoidLink weekly. Most recently, Smart Head Track for OpenTrack was updated on October 21, 2026 and VoidLink on October 28, 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.*