# VTI SkyTracker vs SIMREX GO

The clearest difference is review sentiment: SIMREX GO at 45% against VTI SkyTracker's 5%. SIMREX GO also leads on rating (3.3 vs 2.7) and iOS requirement (8.0 vs 11.0). VTI SkyTracker's advantage is update cadence (every 2 weeks vs every 2 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SIMREX GO holds the better App Store score, 3.3 against 2.7. Both are backed by a comparable volume of ratings — 68 and 40 respectively. Written reviews point the same way: 5% of VTI SkyTracker's written reviews are positive against 45% of SIMREX GO's.

VTI SkyTracker ships an update every 2 weeks, SIMREX GO every 2 months. The most recent releases landed on June 10, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | VTI SkyTracker | SIMREX GO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.7 (68 ratings)](https://appshunter.io/ios/app/vti-skytracker/id1473092616/reviews) | **[3.3 (40 ratings)](https://appshunter.io/ios/app/simrex-go/id1560976055/reviews)** |
| Number of ratings | **68** | 40 |
| Positive reviews | 5.3% of reviews | **45.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 52 MB | 200 MB |
| Requires iOS | 11.0 | **8.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [雪玲 庄](https://appshunter.io/developer/1308168255) | [Shenzhen Jiandanzhijie Technology Co., Ltd.](https://appshunter.io/developer/1543327488) |

## What reviewers say

### VTI SkyTracker

[App page](https://appshunter.io/ios/app/vti-skytracker/id1473092616)

Control a four-axis aircraft remotely using your iPhone. View real-time video from the aircraft's camera and record photos and videos directly to your device.

**Highlights:** Remote aircraft control, Real-time video streaming, Photo capture, Video recording, WiFi protocol transmission

**Features:** macOS Compatibility

**In-app purchases:** none


### SIMREX GO

[App page](https://appshunter.io/ios/app/simrex-go/id1560976055)

Control intelligent aircraft with this application. It enables real-time transmission of images and flight data between your mobile device and the aircraft via Wi-Fi. Features include one-click calibration, takeoff, emergency stop, and manual control.

**Highlights:** Wi-Fi real-time data transmission, One-click calibration, One-click takeoff and emergency stop, Manual rocker control, MV shooting, Trajectory flight, Photo and video capture, In-app album

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is VTI SkyTracker free?

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

### Is SIMREX GO free?

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

### Which has better reviews, VTI SkyTracker or SIMREX GO?

SIMREX GO is rated higher. VTI SkyTracker averages 2.7 out of 5 from 68 ratings, while SIMREX GO averages 3.3 from 40 ratings.

### Do VTI SkyTracker or SIMREX GO have ads?

Neither VTI SkyTracker nor SIMREX GO shows ads.

### Which is updated more often, VTI SkyTracker or SIMREX GO?

VTI SkyTracker ships an update every 2 weeks, and SIMREX GO every 2 months. Most recently, VTI SkyTracker was updated on June 10, 2026 and SIMREX GO on June 5, 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.*