# GTS4B vs I

The clearest difference is update cadence: GTS4B at every 4 months against I's every 30 months. 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.

GTS4B ships an update every 4 months, I every 30 months. The most recent releases landed on October 26, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | GTS4B | I |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 30 months |
| Size | 22 MB | 41 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BARKUAN AUTO, TOO](https://appshunter.io/developer/1195180072) | [Inventon (PTY) ltd](https://appshunter.io/developer/1576176199) |

## What reviewers say

### GTS4B

[App page](https://appshunter.io/ios/app/gts4b/id1195180073)

**Features:** macOS Compatibility

**In-app purchases:** none


### I

[App page](https://appshunter.io/ios/app/i-gps-tracking/id1576176197)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GTS4B free?

GTS4B is free to download, with no in-app purchases.

### Is I free?

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

### Do GTS4B or I have ads?

Neither GTS4B nor I shows ads.

### Which is updated more often, GTS4B or I?

GTS4B ships an update every 4 months, and I every 30 months. Most recently, GTS4B was updated on October 26, 2026 and I on October 13, 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.*