# GPS Tracker S4 vs e

The clearest difference is iOS requirement: e at 13.0 against GPS Tracker S4's 15.6. On price, update cadence, 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.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 10, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | GPS Tracker S4 | e |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 179 MB | 72 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Khalid El Gade](https://appshunter.io/developer/1447472809) | [E-STATIONS LLC](https://appshunter.io/developer/1828773592) |

## What reviewers say

### GPS Tracker S4

[App page](https://appshunter.io/ios/app/gps-tracker-s4/id6504399283)

**Features:** macOS Compatibility

**In-app purchases:** none


### e

[App page](https://appshunter.io/ios/app/e-stations/id6751941822)

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

**In-app purchases:** none


## Frequently asked questions

### Is GPS Tracker S4 free?

GPS Tracker S4 is free to download, with no in-app purchases.

### Is e free?

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

### Do GPS Tracker S4 or e have ads?

Neither GPS Tracker S4 nor e shows ads.

### Which is updated more often, GPS Tracker S4 or e?

GPS Tracker S4 ships an update every 3 weeks, and e every 3 weeks. Most recently, GPS Tracker S4 was updated on September 10, 2026 and e on September 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.*