# Derby.io vs 3D Battle Tanks

The clearest difference is update cadence: 3D Battle Tanks at every 3 days against Derby.io's monthly. Derby.io's advantage is iOS requirement (8.0 vs 11.0). 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.

Derby.io ships an update monthly, 3D Battle Tanks every 3 days. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Derby.io | 3D Battle Tanks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.8 (5 ratings)](https://appshunter.io/ios/app/derbyio/id1439451311/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | Free | — |
| Size | 108 MB | 82 MB |
| Requires iOS | **8.0** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Entity3 Limited](https://appshunter.io/developer/1055360372) | [RHYTHMAP](https://appshunter.io/developer/1458950442) |

## What reviewers say

### Derby.io

[App page](https://appshunter.io/ios/app/derbyio/id1439451311)

Engage in chaotic demolition derby action where the goal is to survive as long as possible. Dodge, smash, and destroy opponents in a competitive arena to become the ultimate champion.

**Highlights:** Survival gameplay, Player destruction, Competitive arena, Dodge and smash mechanics, Multiplayer action

**In-app purchases:** none


### 3D Battle Tanks

[App page](https://appshunter.io/ios/app/3d-battle-tanks/id6465627475)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Derby.io free?

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

### Is 3D Battle Tanks free?

3D Battle Tanks is free to download, with no in-app purchases.

### Do Derby.io or 3D Battle Tanks have ads?

Neither Derby.io nor 3D Battle Tanks shows ads.

### Which is updated more often, Derby.io or 3D Battle Tanks?

Derby.io ships an update monthly, and 3D Battle Tanks every 3 days. Most recently, Derby.io was updated on November 2, 2026 and 3D Battle Tanks on November 7, 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.*