# Worm Jazz vs Mech Boa

The clearest difference is review sentiment: Worm Jazz at 62% against Mech Boa's 26%. Worm Jazz also leads on rating (4.1 vs 3.7). Mech Boa's advantage is in-app purchases (none vs 1) and update cadence (every 5 days vs every 2 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Worm Jazz sells 1 one-off in-app purchase. Mech Boa asks for nothing beyond the download.

Worm Jazz holds the better App Store score, 4.1 against 3.7. That said, the two scores are not equally well evidenced: Mech Boa has 149 ratings behind it against 18, so its average is the more settled of the two. Written reviews point the same way: 62% of Worm Jazz's written reviews are positive against 26% of Mech Boa's.

Worm Jazz ships an update every 2 weeks, Mech Boa every 5 days. Both last shipped on November 3, 2026.

## The numbers

| Metric | Worm Jazz | Mech Boa |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (18 ratings)](https://appshunter.io/ios/app/worm-jazz/id1498918967/reviews)** | [3.7 (149 ratings)](https://appshunter.io/ios/app/mech-boa/id1545138884/reviews) |
| Number of ratings | 18 | **149** |
| Positive reviews | **62.0% of reviews** | 26.1% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 204 MB | 214 MB |
| Requires iOS | 14.0 | **12.5** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 9+ |
| Developer | [Inconspicuous AS](https://appshunter.io/developer/724594518) | [Yso Corp](https://appshunter.io/developer/659815325) |

## What reviewers say

### Worm Jazz

[App page](https://appshunter.io/ios/app/worm-jazz/id1498918967)

Navigate intricate mazes as an earthworm in this award-winning puzzle game. Combine classic mechanics from Snake and Bomberman to overcome obstacles, collect food, and reach the goal. Enjoy a relaxed pace with no timers and unlimited undos.

**Highlights:** Snake and Bomberman mechanics, Intricate mazes, Mines, wormholes, powerups, Collect food and reach goal, Over 50 challenging scenarios, Unlockable hats, No timers, unlimited undo

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Hats and Remove Ads | $3.99 | one-time |

**What reviewers like**

- 💡 Innovative puzzle design
- 🧠 Challenging and thought-provoking
- ✨ Beautiful graphics and sound
- 👍 Good concept and idea
- ✅ Unlimited undo feature

**What reviewers complain about**

- 💸 Too many ads
- 🐌 Slow performance
- 🐛 Game crashes on launch
- 🐞 Bugs in specific levels
- 📈 Battery drain

**Reported bugs**

- Game not opening
- Crashes on launch
- Levels are impossible after updates
- Achievements not unlocking on iOS 14
- Bug in 'Lifeline' level

**Requested features**

- Add more levels
- Hint button
- Fix achievements not unlocking
- In-app purchase for levels
- Key to collect before portal


### Mech Boa

[App page](https://appshunter.io/ios/app/mech-boa/id1545138884)

Control a giant mechanical snake monster and unleash destruction on towns. Experience hyper-casual gameplay as you rampage through cities, demolishing everything in your path.

**Highlights:** Control a giant mechanical snake, Destroy towns, Hyper-casual gameplay, Rampage through cities

**In-app purchases:** none


## Frequently asked questions

### Is Worm Jazz free?

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

### Is Mech Boa free?

Mech Boa is free to download, with no in-app purchases.

### Which has better reviews, Worm Jazz or Mech Boa?

Worm Jazz is rated higher. Worm Jazz averages 4.1 out of 5 from 18 ratings, while Mech Boa averages 3.7 from 149 ratings.

### Do Worm Jazz or Mech Boa have ads?

Both Worm Jazz and Mech Boa show ads.

### Which is updated more often, Worm Jazz or Mech Boa?

Worm Jazz ships an update every 2 weeks, and Mech Boa every 5 days. Most recently, Worm Jazz was updated on November 3, 2026 and Mech Boa on November 3, 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.*