# Seri3 Driver vs Flex

The clearest difference is update cadence: Seri3 Driver at every 2 weeks against Flex's every 3 weeks. Flex's advantage is iOS requirement (12.0 vs 15.6). 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.

Seri3 Driver ships an update every 2 weeks, Flex every 3 weeks. Both last shipped on September 9, 2026.

## The numbers

| Metric | Seri3 Driver | Flex |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Size | 48 MB | 160 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Mahjouba Mohamed Louly](https://appshunter.io/developer/1842905627) | [Talal Derbal](https://appshunter.io/developer/1826284782) |

## What reviewers say

### Seri3 Driver

[App page](https://appshunter.io/ios/app/seri3-driver/id6745759482)

**Features:** macOS Compatibility

**In-app purchases:** none


### Flex

[App page](https://appshunter.io/ios/app/flex-go/id6749556740)

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

**In-app purchases:** none


## Frequently asked questions

### Is Seri3 Driver free?

Seri3 Driver is free to download, with no in-app purchases.

### Is Flex free?

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

### Do Seri3 Driver or Flex have ads?

Neither Seri3 Driver nor Flex shows ads.

### Which is updated more often, Seri3 Driver or Flex?

Seri3 Driver ships an update every 2 weeks, and Flex every 3 weeks. Most recently, Seri3 Driver was updated on September 9, 2026 and Flex on September 9, 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.*