# METRO Fast Line vs UNI

The clearest difference is update cadence: UNI at every 6 weeks against METRO Fast Line's every 4 months. METRO Fast Line's advantage is iOS requirement (13.0 vs 15.0). 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.

METRO Fast Line ships an update every 4 months, UNI every 6 weeks. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | METRO Fast Line | UNI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/uni/id6746671511/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 18.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 37 MB | 154 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Supersmart LTD](https://appshunter.io/developer/1300185255) | [UpLoyal](https://appshunter.io/developer/1765134197) |

## What reviewers say

### METRO Fast Line

[App page](https://appshunter.io/ios/app/metro-fast-line/id1570663627)

Streamline your shopping with this app that lets you scan items as you go and skip checkout lines. Enjoy a fast, secure, and convenient purchasing experience by scanning cart QR codes and product barcodes.

**Highlights:** Scan product barcodes, Scan cart QR code, Skip checkout queues, Fast and convenient shopping, Cost-saving checkout system

**In-app purchases:** none


### UNI

[App page](https://appshunter.io/ios/app/uni/id6746671511)

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

**In-app purchases:** none


## Frequently asked questions

### Is METRO Fast Line free?

METRO Fast Line is free to download, with no in-app purchases.

### Is UNI free?

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

### Do METRO Fast Line or UNI have ads?

Neither METRO Fast Line nor UNI shows ads.

### Which is updated more often, METRO Fast Line or UNI?

METRO Fast Line ships an update every 4 months, and UNI every 6 weeks. Most recently, METRO Fast Line was updated on November 3, 2026 and UNI on November 8, 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.*