# Metrorower vs TTnZ

The clearest difference is update cadence: TTnZ at weekly against Metrorower's monthly. TTnZ also leads on iOS requirement (15.0 vs 17.6). 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.

Metrorower ships an update monthly, TTnZ weekly. The most recent releases landed on October 21, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Metrorower | TTnZ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/metrorower/id6477697629/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 10.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | Free | — |
| Size | 289 MB | 19 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nextbike Polska S.A.](https://appshunter.io/developer/1545335165) | [CITYA mobility s.r.o.](https://appshunter.io/developer/1624944536) |

## What reviewers say

### Metrorower

[App page](https://appshunter.io/ios/app/metrorower/id6477697629)

This app provides access to a large urban bicycle system for eco-friendly travel across multiple cities. Easily rent bikes, check availability, and manage your account to navigate your daily commute and join the active mobility movement.

**Highlights:** Rent bicycles easily, Track bike availability, Manage user account, Eco-friendly urban transport, Largest bike system in Poland

**In-app purchases:** none


### TTnZ

[App page](https://appshunter.io/ios/app/ttnz/id6772859785)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Metrorower free?

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

### Is TTnZ free?

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

### Do Metrorower or TTnZ have ads?

Neither Metrorower nor TTnZ shows ads.

### Which is updated more often, Metrorower or TTnZ?

Metrorower ships an update monthly, and TTnZ weekly. Most recently, Metrorower was updated on October 21, 2026 and TTnZ on October 5, 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.*