# Lyon ZFE vs PIAF App

The clearest difference is ads: PIAF App at none against Lyon ZFE's shown. PIAF App also leads on update cadence (every 2 days vs every 2 months). Lyon ZFE's advantage is iOS requirement (14.1 vs 16.6). On price, 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.

Lyon ZFE ships an update every 2 months, PIAF App every 2 days. Both last shipped on November 9, 2026.

## The numbers

| Metric | Lyon ZFE | PIAF App |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Ad-supported | — |
| Size | 7 MB | 45 MB |
| Requires iOS | **14.1** | 16.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [MATOLE](https://appshunter.io/developer/854558443) | [PIAF](https://appshunter.io/developer/1890505987) |

## What reviewers say

### Lyon ZFE

[App page](https://appshunter.io/ios/app/lyon-zfe/id6443736295)

This navigation app maps Lyon's Low Emission Zone (ZFE), detailing speed limits and Crit'Air restrictions. It includes a speed meter with alerts and real-time parking availability for public transport hubs.

**Highlights:** ZFE perimeter mapping, Speed limit display, Crit'Air vignette restrictions, Real-time parking availability, Speed meter with alerts

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

**In-app purchases:** none


### PIAF App

[App page](https://appshunter.io/ios/app/piaf-app/id6761621516)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Lyon ZFE free?

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

### Is PIAF App free?

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

### Do Lyon ZFE or PIAF App have ads?

Lyon ZFE shows ads; PIAF App does not.

### Which is updated more often, Lyon ZFE or PIAF App?

Lyon ZFE ships an update every 2 months, and PIAF App every 2 days. Most recently, Lyon ZFE was updated on November 9, 2026 and PIAF App on November 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.*