# Unscrew Blocks Riddles vs Gem Core

The clearest difference is ads: Gem Core at none against Unscrew Blocks Riddles's shown. Gem Core also leads on update cadence (daily vs every 3 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Unscrew Blocks Riddles sells 5 one-off in-app purchases and Gem Core sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Unscrew Blocks Riddles ships an update every 3 weeks, Gem Core daily. Both last shipped on October 24, 2026.

## The numbers

| Metric | Unscrew Blocks Riddles | Gem Core |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (90 ratings)](https://appshunter.io/ios/app/unscrew-blocks-riddles/id6479510742/reviews)** | — |
| Number of ratings | **90** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 192 MB | 97 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Green Camel FZE LLC](https://appshunter.io/developer/1736083968) | [JUMP SHIP MEDIA](https://appshunter.io/developer/1822275657) |

## What reviewers say

### Unscrew Blocks Riddles

[App page](https://appshunter.io/ios/app/unscrew-blocks-riddles/id6479510742)

Engage your mind in a challenging puzzle adventure where you strategically unscrew nuts and bolts from colorful blocks. Sharpen your IQ and problem-solving skills with increasingly tricky levels. Hints are available to help you master the art of unlocking these intricate screw puzzles.

**Highlights:** Professionally designed levels, Arrange nuts and bolts correctly, Twist and turn to solve, Explore different strategies, Sharpen IQ and problem-solving skills, Hints available

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 550 Gems Pack | $1.99 | one-time |
| Remove ADs | $2.99 | one-time |
| 1000 Gems | $2.99 | one-time |
| Starter Pack | $4.99 | one-time |
| Mega Pack | $7.99 | one-time |


### Gem Core

[App page](https://appshunter.io/ios/app/gem-core/id6780915980)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 200 Coins | $1.99 | one-time |
| 1000 Coins | $8.99 | one-time |


## Frequently asked questions

### Is Unscrew Blocks Riddles free?

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

### Is Gem Core free?

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

### Do Unscrew Blocks Riddles or Gem Core have ads?

Unscrew Blocks Riddles shows ads; Gem Core does not.

### Which is updated more often, Unscrew Blocks Riddles or Gem Core?

Unscrew Blocks Riddles ships an update every 3 weeks, and Gem Core daily. Most recently, Unscrew Blocks Riddles was updated on October 24, 2026 and Gem Core on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*