# Shadow Immobiliser vs Trak+

The clearest difference is update cadence: Trak+ at every 2 weeks against Shadow Immobiliser's every 4 months. Shadow Immobiliser's advantage is iOS requirement (15.6 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Shadow Immobiliser ships an update every 4 months, Trak+ every 2 weeks. The most recent releases landed on October 11, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Shadow Immobiliser | Trak+ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Size | 98 MB | 26 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Global Telemetrics Limited](https://appshunter.io/developer/631363823) | [Matrix Telematics](https://appshunter.io/developer/949434514) |

## What reviewers say

### Shadow Immobiliser

[App page](https://appshunter.io/ios/app/shadow-immobiliser/id1550096830)

**In-app purchases:** none


### Trak+

[App page](https://appshunter.io/ios/app/trak-plus/id6446410756)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Shadow Immobiliser free?

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

### Is Trak+ free?

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

### Do Shadow Immobiliser or Trak+ have ads?

Neither Shadow Immobiliser nor Trak+ shows ads.

### Which is updated more often, Shadow Immobiliser or Trak+?

Shadow Immobiliser ships an update every 4 months, and Trak+ every 2 weeks. Most recently, Shadow Immobiliser was updated on October 11, 2026 and Trak+ on October 4, 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.*