# Blocalcs vs Unscrew It

The clearest difference is in-app purchases: Blocalcs at none against Unscrew It's 13. Blocalcs also leads on ads (none vs shown). Unscrew It's advantage is update cadence (every 3 weeks vs every 34 months) and iOS requirement (15.0 vs 17.6). On price and device support there is nothing between them.

Both are free to download. Unscrew It sells 13 one-off in-app purchases. Blocalcs asks for nothing beyond the download.

Blocalcs ships an update every 34 months, Unscrew It every 3 weeks. The most recent releases landed on October 27, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Blocalcs | Unscrew It |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (301 ratings)](https://appshunter.io/ios/app/unscrew-it-puzzle-game/id6479693853/reviews)** |
| Number of ratings | — | **301** |
| Positive reviews | — | 40.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 34 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 12 MB | 264 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Alex Freitas Soares](https://appshunter.io/developer/1628765007) | [Dream Rise Entertainment LLC](https://appshunter.io/developer/1736918075) |

## What reviewers say

### Blocalcs

[App page](https://appshunter.io/ios/app/blocalcs/id1628765005)

**Features:** macOS Compatibility

**In-app purchases:** none


### Unscrew It

[App page](https://appshunter.io/ios/app/unscrew-it-puzzle-game/id6479693853)

Engage your mind with a challenging twisty puzzle experience. Untangle nuts, bolts, and screws by strategically moving them to solve intricate levels. This game offers hundreds of unique challenges designed to enhance your logic and problem-solving skills.

**Highlights:** Twist and untangle screw puzzles, Hundreds of hand-crafted levels, Progressively challenging gameplay, Realistic 3D visuals, Offline play available, Improves logic and reasoning

**Features:** macOS Compatibility

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ScrewPowerUp | $2.99 | one-time |
| HolePowerUp | $2.99 | one-time |
| FreezePowerUp | $2.99 | one-time |
| Remove Ads | $4.99 | one-time |
| Time Boost Bundle | $4.99 | one-time |
| No Ads Plus | $5.99 | one-time |
| Craft Kit | $5.99 | one-time |
| Gem Pack | $5.99 | one-time |
| Design Pack | $7.99 | one-time |
| Power Pack | $8.99 | one-time |
| Starter Toolkit | $9.99 | one-time |
| Best Offer | $9.99 | one-time |
| Ultimate Upgrade | $12.99 | one-time |


## Frequently asked questions

### Is Blocalcs free?

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

### Is Unscrew It free?

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

### Do Blocalcs or Unscrew It have ads?

Unscrew It shows ads; Blocalcs does not.

### Which is updated more often, Blocalcs or Unscrew It?

Blocalcs ships an update every 34 months, and Unscrew It every 3 weeks. Most recently, Blocalcs was updated on October 27, 2026 and Unscrew It on October 20, 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.*