# Engineer VS Zombies vs Yarn! A Jumping Physics Game

The clearest difference is in-app purchases: Engineer VS Zombies at none against Yarn! A Jumping Physics Game's 4. Engineer VS Zombies also leads on ads (none vs shown) and review sentiment (100% vs 88%). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Yarn! A Jumping Physics Game sells 4 one-off in-app purchases. Engineer VS Zombies asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.3 for Engineer VS Zombies against 4.4 for Yarn! A Jumping Physics Game. Both are backed by a comparable volume of ratings — 3 and 8 respectively. Written reviews are what separate them: 100% of Engineer VS Zombies's written reviews are positive against 88% of Yarn! A Jumping Physics Game's.

Engineer VS Zombies ships an update every 4 weeks, Yarn! A Jumping Physics Game monthly. The most recent releases landed on October 1, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Engineer VS Zombies | Yarn! A Jumping Physics Game |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (3 ratings)](https://appshunter.io/ios/app/engineer-vs-zombies/id727724071/reviews) | **[4.4 (8 ratings)](https://appshunter.io/ios/app/yarn-a-jumping-physics-game/id1041140887/reviews)** |
| Number of ratings | 3 | **8** |
| Positive reviews | **100.0% of reviews** | 88.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 4 weeks** | Monthly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 17 MB | 302 MB |
| Requires iOS | **4.3** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [App Holdings](https://appshunter.io/developer/808581339) | [Apps by Erik](https://appshunter.io/developer/526943711) |

## What reviewers say

### Engineer VS Zombies

[App page](https://appshunter.io/ios/app/engineer-vs-zombies/id727724071)

Defend your city from an onslaught of zombies using engineering skills and strategic defenses. Collect resources to build workshops, generate income, and purchase powerful weapons to eliminate waves of diverse undead enemies. Progress through levels to face increasingly challenging zombie types.

**Highlights:** Strategic defense gameplay, Resource collection and management, Weapon upgrades, Diverse enemy types, Level-based progression, Workshop/flower income generation

**Features:** macOS Compatibility

**In-app purchases:** none


### Yarn! A Jumping Physics Game

[App page](https://appshunter.io/ios/app/yarn-a-jumping-physics-game/id1041140887)

Guide a brave ball of yarn through a city overrun by zombie cats. Jump over obstacles, collect stars, and defeat the menacing feline foes in this atmospheric 2D platformer.

**Highlights:** Physics-based jumping, Obstacle avoidance, Star collection, Zombie cat battles, 2D platformer gameplay, Atmospheric world exploration

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dark Knit | $0.99 | one-time |
| Sargent Tangle | $0.99 | one-time |
| Sir Doodle | $0.99 | one-time |
| Spoooky Mummy Doodle | $0.99 | one-time |


## Frequently asked questions

### Is Engineer VS Zombies free?

Engineer VS Zombies is free to download, with no in-app purchases.

### Is Yarn! A Jumping Physics Game free?

Yarn! A Jumping Physics Game is free to download, with in-app purchases available.

### Which has better reviews, Engineer VS Zombies or Yarn! A Jumping Physics Game?

Yarn! A Jumping Physics Game is rated higher. Engineer VS Zombies averages 4.3 out of 5 from 3 ratings, while Yarn! A Jumping Physics Game averages 4.4 from 8 ratings.

### Do Engineer VS Zombies or Yarn! A Jumping Physics Game have ads?

Yarn! A Jumping Physics Game shows ads; Engineer VS Zombies does not.

### Which is updated more often, Engineer VS Zombies or Yarn! A Jumping Physics Game?

Engineer VS Zombies ships an update every 4 weeks, and Yarn! A Jumping Physics Game monthly. Most recently, Engineer VS Zombies was updated on October 1, 2026 and Yarn! A Jumping Physics Game on October 4, 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.*