# Twist Puzzle Workshop vs Robot Block Merger

The clearest difference is rating: Robot Block Merger at 4.7 against Twist Puzzle Workshop's 1.0. Robot Block Merger also leads on in-app purchases (none vs 10) and update cadence (weekly vs every 3 weeks). Twist Puzzle Workshop's advantage is iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Twist Puzzle Workshop sells 10 one-off in-app purchases. Robot Block Merger asks for nothing beyond the download.

Robot Block Merger holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: Robot Block Merger has 6 ratings behind it against 1, so its average is the more settled of the two.

Twist Puzzle Workshop ships an update every 3 weeks, Robot Block Merger weekly. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Twist Puzzle Workshop | Robot Block Merger |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/twist-puzzle-workshop/id6747382788/reviews) | **[4.7 (6 ratings)](https://appshunter.io/ios/app/robot-block-merger/id6747740830/reviews)** |
| Number of ratings | 1 | **6** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 239 MB | 163 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Amber Wrenn](https://appshunter.io/developer/1821163350) | [增国 何](https://appshunter.io/developer/1808426861) |

## What reviewers say

### Twist Puzzle Workshop

[App page](https://appshunter.io/ios/app/twist-puzzle-workshop/id6747382788)

Engage in a relaxing 3D puzzle experience by twisting and unscrewing intricate models. This simulator offers satisfying ASMR effects and a variety of challenges for quick breaks or extended play.

**Highlights:** 3D interactive puzzles, Realistic screw mechanics, Satisfying ASMR effects, Dozens of unlockable models, Offline play support, Easy to learn, hard to master

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Revivepack | $4.99 | one-time |
| ReturnGiftPack | $6.99 | one-time |
| RemoveADs_15 | $7.99 | one-time |
| WelcomeBundle | $7.99 | one-time |
| Big Bundle | $9.99 | one-time |
| RemoveADs_30 | $12.99 | one-time |
| PremiumPass | $19.99 | one-time |
| Super Bundle | $19.99 | one-time |
| Mega Bundle | $39.99 | one-time |
| Mega Bundle_2 | $59.99 | one-time |


### Robot Block Merger

[App page](https://appshunter.io/ios/app/robot-block-merger/id6747740830)

Merge robotic blocks to create advanced machines in this futuristic puzzle game. Aim, bounce, and strategically place units to clear the grid and boost your score. Enjoy endless hours of brain-teasing fun with cool visuals and easy controls.

**Highlights:** Merge robotic blocks, Unlock advanced machines, Aim and bounce energy shots, Fill and clear a 5x5 grid, Chain reactions and score boosts, Sleek, animated robot designs

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Twist Puzzle Workshop free?

Twist Puzzle Workshop is free to download, with in-app purchases available.

### Is Robot Block Merger free?

Robot Block Merger is free to download, with no in-app purchases.

### Which has better reviews, Twist Puzzle Workshop or Robot Block Merger?

Robot Block Merger is rated higher. Twist Puzzle Workshop averages 1.0 out of 5 from 1 ratings, while Robot Block Merger averages 4.7 from 6 ratings.

### Do Twist Puzzle Workshop or Robot Block Merger have ads?

Both Twist Puzzle Workshop and Robot Block Merger show ads.

### Which is updated more often, Twist Puzzle Workshop or Robot Block Merger?

Twist Puzzle Workshop ships an update every 3 weeks, and Robot Block Merger weekly. Most recently, Twist Puzzle Workshop was updated on October 20, 2026 and Robot Block Merger on October 24, 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.*