# Wind Up Robots vs Pass and Boum

The clearest difference is rating: Wind Up Robots at 4.8 against Pass and Boum's 4.1. Wind Up Robots also leads on ads (none vs shown) and iOS requirement (11.0 vs 15.0). Pass and Boum's advantage is review sentiment (60% vs 34%) and ratings volume (275 vs 6). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. Wind Up Robots sells 4 one-off in-app purchases and Pass and Boum sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Wind Up Robots holds the better App Store score, 4.8 against 4.1. That said, the two scores are not equally well evidenced: Pass and Boum has 275 ratings behind it against 6, so its average is the more settled of the two. Written reviews complicate that: 34% of Wind Up Robots's written reviews are positive against 60% of Pass and Boum's, so the app with the better star average is not the one people write more warmly about.

Wind Up Robots ships an update every 5 weeks, Pass and Boum every 3 weeks. The most recent releases landed on October 20, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Wind Up Robots | Pass and Boum |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (6 ratings)](https://appshunter.io/ios/app/wind-up-robots/id472476762/reviews)** | [4.1 (275 ratings)](https://appshunter.io/ios/app/pass-and-boum/id6443921510/reviews) |
| Number of ratings | 6 | **275** |
| Positive reviews | 34.2% of reviews | **60.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 348 MB | 223 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 9+ |
| Developer | [Soma Games](https://appshunter.io/developer/312131865) | [Yso Corp](https://appshunter.io/developer/659815325) |

## What reviewers say

### Wind Up Robots

[App page](https://appshunter.io/ios/app/wind-up-robots/id472476762)

Defend a boy's dreamscape from nightmares by strategically deploying unique robot defenders. Upgrade your robots, utilize powerful super weapons, and battle a variety of creepy enemies across numerous levels in this engaging base defense game.

**Highlights:** Unique robot defenders, Creepy enemy variety, 28 challenging levels, Dynamic upgrade system, Powerful super weapons, Robot personalization

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1,000 coins | $0.99 | one-time |
| 2,500 Coin Pack | $1.99 | one-time |
| 5,000 Coins | $3.99 | one-time |
| 20,000 Coins | $12.99 | one-time |


### Pass and Boum

[App page](https://appshunter.io/ios/app/pass-and-boum/id6443921510)

A fast-paced party game where players pass a virtual bomb around. The goal is to avoid being the one holding the bomb when it explodes. It's a simple yet thrilling game for quick bursts of fun.

**Highlights:** Pass the bomb, Avoid explosion, Fast-paced gameplay, Multiplayer fun

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Skins | $0.99 | one-time |
| Free Revive | $0.99 | one-time |
| Remove Ads | $1.99 | one-time |

**What reviewers like**

- 🤩 Great game overall
- 🤩 Most fun game ever
- 🤩 Can't stop playing
- 🤩 Amazing game
- 🤩 Awesome game

**What reviewers complain about**

- 😠 Too many ads
- 😠 Ads between every game
- 😠 Ads interrupt gameplay
- 😠 Game is botted
- 😠 Bots are too good

**Reported bugs**

- Dumb NPCs
- Bouncy walls are the worst
- Void bug teleports players
- Bomb passed through walls
- Game kicks out immediately

**Requested features**

- Replace bouncy walls
- Add online mode
- Start with the bomb
- Change character color
- Megalodon mode


## Frequently asked questions

### Is Wind Up Robots free?

Wind Up Robots is free to download, with in-app purchases available.

### Is Pass and Boum free?

Pass and Boum is free to download, with in-app purchases available.

### Which has better reviews, Wind Up Robots or Pass and Boum?

Wind Up Robots is rated higher. Wind Up Robots averages 4.8 out of 5 from 6 ratings, while Pass and Boum averages 4.1 from 275 ratings.

### Do Wind Up Robots or Pass and Boum have ads?

Pass and Boum shows ads; Wind Up Robots does not.

### Which is updated more often, Wind Up Robots or Pass and Boum?

Wind Up Robots ships an update every 5 weeks, and Pass and Boum every 3 weeks. Most recently, Wind Up Robots was updated on October 20, 2026 and Pass and Boum on October 27, 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.*