# KLAC vs Gravity Blocks

The clearest difference is price: Gravity Blocks at Free against KLAC's $1.99. Gravity Blocks also leads on in-app purchases (none vs 4). KLAC's advantage is ads (none vs shown) and ratings volume (141 vs 3). On rating and device support there is nothing between them.

Gravity Blocks is free to download; KLAC costs $1.99 up front. KLAC sells 4 one-off in-app purchases. Gravity Blocks asks for nothing beyond the download.

KLAC holds the better App Store score, 4.5 against 4.3. That said, the two scores are not equally well evidenced: KLAC has 141 ratings behind it against 3, so its average is the more settled of the two.

## The numbers

| Metric | KLAC | Gravity Blocks |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.5 (141 ratings)](https://appshunter.io/ios/app/klac/id1421420656/reviews)** | [4.3 (3 ratings)](https://appshunter.io/ios/app/gravity-blocks-physics-puzzle/id6741714551/reviews) |
| Number of ratings | **141** | 3 |
| Positive reviews | 75.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 10 days | — |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Best chart rank | **#108** | — |
| Size | 25 MB | 62 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Giuseppe La Torre](https://appshunter.io/developer/1025335931) | [Naoya Itoi](https://appshunter.io/developer/1723494033) |

## What reviewers say

### KLAC

[App page](https://appshunter.io/ios/app/klac/id1421420656)

**Currently charting:** #108 Top Paid · Word (US App Store)

A challenging spatial-word puzzle game where you snap, split, and stick letter blocks. It offers a minimal yet engaging experience designed to be difficult and wonderful. Your progress syncs across devices thanks to iCloud.

**Highlights:** Snap, split, and stick letter blocks, Spatial-word puzzle gameplay, Minimalist design, Challenging difficulty, iCloud progress sync, Available on macOS

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Extra Support | $0.99 | one-time |
| Small Donation | $0.99 | one-time |
| Medium Donation | $1.99 | one-time |
| Big Donation | $3.99 | one-time |

**What reviewers like**

- 💡 Original and innovative mechanics
- ✨ Beautiful and minimalist aesthetic
- 🧠 Challenging and thought-provoking puzzles
- 😌 Satisfying to solve difficult levels
- 👍 Simple and elegant design

**What reviewers complain about**

- ❓ Unclear mechanics and lack of explanation
- 🐛 Bugs and glitches on some levels
- 📉 Too few levels, feels short
- 🤔 Counterintuitive at the beginning
- 📱 Some users experience performance issues (heating)

**Reported bugs**

- Last level has some bugs
- Game won't load level 1
- No sound or music on iPhone X
- Game doesn't start/stops at initial screen

**Requested features**

- More levels
- Hint system
- Trial game before purchase
- More help/explanation for mechanics


### Gravity Blocks

[App page](https://appshunter.io/ios/app/gravity-blocks-physics-puzzle/id6741714551)

Connect matching blocks to clear them and earn points in this physics-based puzzle game. Master gravity and balance to stack blocks as high as possible and achieve top scores. Enjoy endless fun with simple controls and deep strategy, playable offline.

**Highlights:** Connect matching blocks to clear, Physics-based stacking and balance, High score competition, Simple tap & drag controls, Vibrant and engaging design, Offline play

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KLAC free?

KLAC costs $1.99, and also offers in-app purchases.

### Is Gravity Blocks free?

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

### Which has better reviews, KLAC or Gravity Blocks?

KLAC is rated higher. KLAC averages 4.5 out of 5 from 141 ratings, while Gravity Blocks averages 4.3 from 3 ratings.

### Do KLAC or Gravity Blocks have ads?

Gravity Blocks shows ads; KLAC does not.

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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.*