# DNK Trace vs Hà Nội Metro

The clearest difference is update cadence: Hà Nội Metro at every 6 days against DNK Trace's every 5 months. Hà Nội Metro also leads on iOS requirement (15.5 vs 17.5). 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.

DNK Trace ships an update every 5 months, Hà Nội Metro every 6 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | DNK Trace | Hà Nội Metro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.7 (18 ratings)](https://appshunter.io/ios/app/ha-noi-metro/id6747200533/reviews)** |
| Number of ratings | — | **18** |
| Positive reviews | — | 14.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 6 days** |
| Monetization | — | Free |
| Size | 42 MB | 154 MB |
| Requires iOS | 17.5 | **15.5** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [DONARUCO QR](https://appshunter.io/developer/1530487969) | [METRO HANOI](https://appshunter.io/developer/1820227326) |

## What reviewers say

### DNK Trace

[App page](https://appshunter.io/ios/app/dnk-trace/id6744427664)

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

**In-app purchases:** none


### Hà Nội Metro

[App page](https://appshunter.io/ios/app/ha-noi-metro/id6747200533)

This app revolutionizes travel on the capital's metro system by transforming your phone into a modern, convenient ticket. Purchase tickets quickly, choose flexible travel passes, and use QR codes or NFC for seamless entry.

**Highlights:** Fast ticket purchasing, Flexible daily, weekly, monthly passes, QR/NFC digital tickets, Secure payment integration, Smart trip history and expense tracking

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

**In-app purchases:** none


## Frequently asked questions

### Is DNK Trace free?

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

### Is Hà Nội Metro free?

Hà Nội Metro is free to download, with no in-app purchases.

### Do DNK Trace or Hà Nội Metro have ads?

Neither DNK Trace nor Hà Nội Metro shows ads.

### Which is updated more often, DNK Trace or Hà Nội Metro?

DNK Trace ships an update every 5 months, and Hà Nội Metro every 6 days. Most recently, DNK Trace was updated on October 24, 2026 and Hà Nội Metro on October 24, 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.*