# Zombie Rush Drive vs Idle Defender

The clearest difference is in-app purchases: Zombie Rush Drive at none against Idle Defender's 2. Zombie Rush Drive also leads on update cadence (weekly vs every 2 months) and iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Idle Defender sells 2 one-off in-app purchases. Zombie Rush Drive asks for nothing beyond the download.

Zombie Rush Drive ships an update weekly, Idle Defender every 2 months. The most recent releases landed on November 4, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Zombie Rush Drive | Idle Defender |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (11 ratings)](https://appshunter.io/ios/app/idle-defender/id6479360190/reviews)** |
| Number of ratings | — | **11** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 184 MB | 181 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Atlas Yazılım](https://appshunter.io/developer/664496796) | [CROOTO](https://appshunter.io/developer/1276546017) |

## What reviewers say

### Zombie Rush Drive

[App page](https://appshunter.io/ios/app/zombie-rush-drive/id6475088733)

**In-app purchases:** none


### Idle Defender

[App page](https://appshunter.io/ios/app/idle-defender/id6479360190)

Engage in an addictive incremental tower defense experience. Strategically build and upgrade towers to fend off monster raids, expand your territory, and generate idle income. Collect ability cards and research upgrades to become an invincible defender.

**Highlights:** Auto idle tower defense, Build and upgrade towers, Simulate monster battles, Upgrade special abilities, Discover chests and mines, Collect ability cards, Generate idle income offline

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy No Ads | $5.99 | one-time |
| Buy No Ads Full | $17.99 | one-time |


## Frequently asked questions

### Is Zombie Rush Drive free?

Zombie Rush Drive is free to download, with no in-app purchases.

### Is Idle Defender free?

Idle Defender is free to download, with in-app purchases available.

### Do Zombie Rush Drive or Idle Defender have ads?

Neither Zombie Rush Drive nor Idle Defender shows ads.

### Which is updated more often, Zombie Rush Drive or Idle Defender?

Zombie Rush Drive ships an update weekly, and Idle Defender every 2 months. Most recently, Zombie Rush Drive was updated on November 4, 2026 and Idle Defender on November 2, 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.*