# Zombie Derby vs ROTGRADE

The clearest difference is update cadence: ROTGRADE at every 2 weeks against Zombie Derby's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Zombie Derby sells 10 one-off in-app purchases and ROTGRADE sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Zombie Derby ships an update every 4 months, ROTGRADE every 2 weeks. The most recent releases landed on November 1, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Zombie Derby | ROTGRADE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (140 ratings)](https://appshunter.io/ios/app/zombie-derby/id794913043/reviews)** | — |
| Number of ratings | **140** | — |
| Positive reviews | 73.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 158 MB | 138 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Oleksii Netrebenko](https://appshunter.io/developer/1614869082) | [Two Joes Gaming](https://appshunter.io/developer/1046277815) |

## What reviewers say

### Zombie Derby

[App page](https://appshunter.io/ios/app/zombie-derby/id794913043)

Race through a zombie-infested world, crushing hordes of the undead with customizable vehicles. Upgrade your cars with weapons and enhancements to survive as long as possible and reach the final fort.

**Highlights:** Drive 5 unique cars, Explore 5 vast levels, Massively customizable vehicles, Upgrade car parts and weapons, Gory 3D graphics, Addictive gameplay

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ads removing | $0.99 | one-time |
| 2000 coins | $0.99 | one-time |
| Pile of 5000 coins | $1.99 | one-time |
| Zombie Derby: Remove ADS! | $1.99 | one-time |
| Special Starter Pack | $1.99 | one-time |
| 12000 coins | $3.99 | one-time |
| Pile of 13000 coins | $4.99 | one-time |
| Coins Doubler | $4.99 | one-time |
| Pile of  50000 coins | $14.99 | one-time |
| Pile of  200000 coins | $29.99 | one-time |

**What reviewers like**

- 👍 Fun and enjoyable gameplay
- 🎮 Good replay value
- ✨ Great graphics for a free game
- 🚗 Cool cars and customization
- 💥 Satisfying zombie-crushing action

**What reviewers complain about**

- 💸 Ads are intrusive and persistent
- ⏳ Long wait times for fuel
- 💰 In-app purchases not always credited
- 📈 Some levels are too difficult
- 💸 Paying to remove ads doesn't work

**Reported bugs**

- App crashes frequently
- Game freezes during gameplay
- App closes immediately upon opening
- Purchases not being credited
- Ads not removed after payment

**Requested features**

- Add damage to vehicles
- Make first level shorter or add checkpoints
- Introduce team play or races
- Expand the game with new levels and vehicles
- Remove or reduce waiting time for fuel


### ROTGRADE

[App page](https://appshunter.io/ios/app/rotgrade/id6811130323)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Spare Change | $0.99 | one-time |
| Buggy Money | $2.99 | one-time |
| Remove Ads | $2.99 | one-time |
| Sedan Money | $4.99 | one-time |
| Muscle Money | $9.99 | one-time |
| The Camper | $19.99 | one-time |


## Frequently asked questions

### Is Zombie Derby free?

Zombie Derby is free to download, with in-app purchases available.

### Is ROTGRADE free?

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

### Do Zombie Derby or ROTGRADE have ads?

Both Zombie Derby and ROTGRADE show ads.

### Which is updated more often, Zombie Derby or ROTGRADE?

Zombie Derby ships an update every 4 months, and ROTGRADE every 2 weeks. Most recently, Zombie Derby was updated on November 1, 2026 and ROTGRADE 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.*