# Gravity Duel vs train climb

The clearest difference is update cadence: train climb at every 10 days against Gravity Duel's every 3 weeks. 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.

Gravity Duel ships an update every 3 weeks, train climb every 10 days. The most recent releases landed on October 24, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Gravity Duel | train climb |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Size | 1 MB | 160 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [JIYULMOM](https://appshunter.io/developer/379186743) | [Erhan Aydin](https://appshunter.io/developer/1808049031) |

## What reviewers say

### Gravity Duel

[App page](https://appshunter.io/ios/app/gravity-duel-space-battle/id379186740)

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

**In-app purchases:** none


### train climb

[App page](https://appshunter.io/ios/app/train-climb/id6744538499)

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

**In-app purchases:** none


## Frequently asked questions

### Is Gravity Duel free?

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

### Is train climb free?

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

### Do Gravity Duel or train climb have ads?

Neither Gravity Duel nor train climb shows ads.

### Which is updated more often, Gravity Duel or train climb?

Gravity Duel ships an update every 3 weeks, and train climb every 10 days. Most recently, Gravity Duel was updated on October 24, 2026 and train climb on October 16, 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.*