# Smart Head Track for OpenTrack vs Sardo

The clearest difference is in-app purchases: Sardo at none against Smart Head Track for OpenTrack's 1. Smart Head Track for OpenTrack's advantage is iOS requirement (17.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Smart Head Track for OpenTrack sells 1 one-off in-app purchase. Sardo asks for nothing beyond the download.

## The numbers

| Metric | Smart Head Track for OpenTrack | Sardo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.2 (39 ratings)](https://appshunter.io/ios/app/smart-head-track-for-opentrack/id1531547793/reviews)** | — |
| Number of ratings | **39** | — |
| Positive reviews | 62.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | — |
| Monetization | Free with in-app purchases | — |
| Size | 103 MB | 7 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [TINAC Inc.](https://appshunter.io/developer/539875795) | [Immerse it LLC](https://appshunter.io/developer/1769686349) |

## 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


### Sardo

[App page](https://appshunter.io/ios/app/sardo-controller/id6760831847)

**In-app purchases:** none


## 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 Sardo free?

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

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

Neither Smart Head Track for OpenTrack nor Sardo shows ads.

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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.*