# ZombieDiary vs Alien Invader Escape

The clearest difference is in-app purchases: Alien Invader Escape at none against ZombieDiary's 10. ZombieDiary's advantage is ads (none vs shown) and update cadence (every 9 days vs every 18 months). On price and device support there is nothing between them.

Both are free to download. ZombieDiary sells 10 one-off in-app purchases. Alien Invader Escape asks for nothing beyond the download.

ZombieDiary ships an update every 9 days, Alien Invader Escape every 18 months. The most recent releases landed on October 20, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | ZombieDiary | Alien Invader Escape |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (89 ratings)](https://appshunter.io/ios/app/zombiediary/id641426530/reviews)** | — |
| Number of ratings | **89** | — |
| Positive reviews | 71.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 9 days** | Every 18 months |
| Monetization | Free with in-app purchases | — |
| Size | 19 MB | 14 MB |
| Requires iOS | **4.3** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Ezjoy](https://appshunter.io/developer/557788041) | [Tang Cho man](https://appshunter.io/developer/592719186) |

## What reviewers say

### ZombieDiary

[App page](https://appshunter.io/ios/app/zombiediary/id641426530)

Embark on a survival mission in a zombie-infested world. Wield a variety of weapons, utilize special skills, and choose from different roles to combat endless hordes of the undead. Gather resources, upgrade your arsenal, and strive to be the last human standing.

**Highlights:** 24 equipable guns, 5 playable roles, 5 skill upgrades, 4 diverse maps, 3 powerful mechs, Various zombie types, Multiple task modes

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 15,000 coins & 15 crystals | $0.99 | one-time |
| 20,000 Coins | $1.99 | one-time |
| 30 crystals | $2.99 | one-time |
| 60,000 coins | $4.99 | one-time |
| 60,000 coins & 50 crystals | $4.99 | one-time |
| 100 Crystals | $7.99 | one-time |
| 150,000 coins | $9.99 | one-time |
| 120,000 coins & 125 crystals | $9.99 | one-time |
| 300 crystals | $19.99 | one-time |
| 300,000 coins & 300 crystals | $19.99 | one-time |

**What reviewers like**

- 👍 Fun and addictive gameplay
- 🤩 Classic game experience
- ❤️ Players love the game
- 💯 Great graphics and quality
- 😄 Instant joy and nostalgia

**What reviewers complain about**

- 😞 Lack of updates
- ⚠️ Not compatible with modern OS
- 💸 Geared towards spending money
- 📉 Little reward for achievements
- ⏳ Outdated compared to other versions

**Reported bugs**

- Training zone zombies unkillable
- Shield zombies unkillable
- Game crashes frequently
- Game not loading/suddenly disappearing
- Game is zoomed in on iPad

**Requested features**

- Update the game for modern OS
- Bring the game back
- Update for iOS devices
- Add multiplayer
- Add boss battles


### Alien Invader Escape

[App page](https://appshunter.io/ios/app/alien-invader-escape/id858894874)

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

**In-app purchases:** none


## Frequently asked questions

### Is ZombieDiary free?

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

### Is Alien Invader Escape free?

Alien Invader Escape is free to download, with no in-app purchases.

### Do ZombieDiary or Alien Invader Escape have ads?

Alien Invader Escape shows ads; ZombieDiary does not.

### Which is updated more often, ZombieDiary or Alien Invader Escape?

ZombieDiary ships an update every 9 days, and Alien Invader Escape every 18 months. Most recently, ZombieDiary was updated on October 20, 2026 and Alien Invader Escape on October 12, 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.*