# Engineer VS Zombies vs Impulse One

The clearest difference is rating: Impulse One at 5.0 against Engineer VS Zombies's 4.3. Engineer VS Zombies's advantage is update cadence (every 4 weeks vs every 11 months) and iOS requirement (4.3 vs 9.0). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Impulse One holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 3 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Engineer VS Zombies ships an update every 4 weeks, Impulse One every 11 months. The most recent releases landed on October 1, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Engineer VS Zombies | Impulse One |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (3 ratings)](https://appshunter.io/ios/app/engineer-vs-zombies/id727724071/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/impulse-one/id1001814482/reviews)** |
| Number of ratings | **3** | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 11 months |
| Monetization | Free | Free |
| Size | 17 MB | 301 MB |
| Requires iOS | **4.3** | 9.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [App Holdings](https://appshunter.io/developer/808581339) | [Kurt Dekker](https://appshunter.io/developer/680019078) |

## 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


### Impulse One

[App page](https://appshunter.io/ios/app/impulse-one/id1001814482)

Pilot a spaceship to rescue stranded employees from a chaotic company. Navigate challenging environments with high gravity, timed conditions, and combat.

**Highlights:** Rescue stranded employees, Impulse-driven spaceship piloting, High gravity challenges, Timed conditions, Combat with incoming fire

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

**In-app purchases:** none


## Frequently asked questions

### Is Engineer VS Zombies free?

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

### Is Impulse One free?

Impulse One is free to download, with no in-app purchases.

### Which has better reviews, Engineer VS Zombies or Impulse One?

Impulse One is rated higher. Engineer VS Zombies averages 4.3 out of 5 from 3 ratings, while Impulse One averages 5.0 from 2 ratings.

### Do Engineer VS Zombies or Impulse One have ads?

Neither Engineer VS Zombies nor Impulse One shows ads.

### Which is updated more often, Engineer VS Zombies or Impulse One?

Engineer VS Zombies ships an update every 4 weeks, and Impulse One every 11 months. Most recently, Engineer VS Zombies was updated on October 1, 2026 and Impulse One on October 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.*