# GPS STS vs Flex

The clearest difference is update cadence: Flex at every 5 days against GPS STS's every 3 weeks. GPS STS's advantage is iOS requirement (12.0 vs 16.4). 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.

GPS STS ships an update every 3 weeks, Flex every 5 days. The most recent releases landed on October 26, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | GPS STS | Flex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (10 ratings)](https://appshunter.io/ios/app/gps-sts/id1491016656/reviews)** | — |
| Number of ratings | **10** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Free | — |
| Size | 14 MB | 47 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Smart Tech Solutions SH.P.K.](https://appshunter.io/developer/1435698522) | [BUGAGENCY L.L.C.](https://appshunter.io/developer/1775699607) |

## What reviewers say

### GPS STS

[App page](https://appshunter.io/ios/app/gps-sts/id1491016656)

This app allows users to manage vehicle and asset GPS tracking devices in real-time. It provides features for tracking, reviewing history, and receiving notifications, requiring a server instance to function.

**Highlights:** Real-time vehicle/asset tracking, Review history tracks and events, Receive notifications, Save money on fleet management, Mobile responsive interface

**Features:** macOS Compatibility

**In-app purchases:** none


### Flex

[App page](https://appshunter.io/ios/app/flex-gps/id6815318901)

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

**In-app purchases:** none


## Frequently asked questions

### Is GPS STS free?

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

### Is Flex free?

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

### Do GPS STS or Flex have ads?

Neither GPS STS nor Flex shows ads.

### Which is updated more often, GPS STS or Flex?

GPS STS ships an update every 3 weeks, and Flex every 5 days. Most recently, GPS STS was updated on October 26, 2026 and Flex on October 29, 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.*