# Sync vs Diamond Blocks

The clearest difference is price: Diamond Blocks at Free against Sync's $0.99. Diamond Blocks also leads on update cadence (every 5 days vs every 40 months). Sync's advantage is in-app purchases (none vs 5) and ads (none vs shown). On rating, review sentiment, device support and iOS requirement there is nothing between them.

Diamond Blocks is free to download; Sync costs $0.99 up front. Diamond Blocks sells 5 one-off in-app purchases. Sync asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for Sync against 4.8 for Diamond Blocks. That said, the two scores are not equally well evidenced: Sync has 33 ratings behind it against 6, so its average is the more settled of the two. Written reviews are what separate them: 97% of Sync's written reviews are positive against 100% of Diamond Blocks's.

Sync ships an update every 40 months, Diamond Blocks every 5 days. The most recent releases landed on September 10, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Sync | Diamond Blocks |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [4.8 (33 ratings)](https://appshunter.io/ios/app/sync-ball/id356277312/reviews) | [4.8 (6 ratings)](https://appshunter.io/ios/app/diamond-blocks-puzzles/id1456267542/reviews) |
| Number of ratings | **33** | 6 |
| Positive reviews | 96.8% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 40 months | **Every 5 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 9 MB | 69 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tozai, Inc.](https://appshunter.io/developer/356277315) | [Creetah Ltd.](https://appshunter.io/developer/1091214069) |

## What reviewers say

### Sync

[App page](https://appshunter.io/ios/app/sync-ball/id356277312)

Engage your mind with a unique puzzle experience where you guide synchronized balls to designated holes using simple swipes. Navigate through increasingly complex mazes, strategically using walls to achieve your goals. Enjoy a tranquil yet stimulating challenge with 80 levels, designed for thoughtful problem-solving without time pressure.

**Highlights:** Swipe to move synchronized balls, Align balls into holes, Use maze walls for strategy, Avoid falling off the platform, Progress through 80 levels, No time limits or scores, Develop concentration and problem-solving skills

**Features:** macOS Compatibility

**In-app purchases:** none


### Diamond Blocks

[App page](https://appshunter.io/ios/app/diamond-blocks-puzzles/id1456267542)

This game offers unlimited spatial challenges with millions of unique levels. It helps improve spatial reasoning skills through various puzzle types and daily global competitions. Suitable for all skill levels, from beginner to pro.

**Highlights:** Millions of unique levels, Daily global competitions, Variety of puzzle types (copying, symmetry, removal, rotation, inverse), Combination levels, Improves spatial reasoning skills, Suitable for all skill levels

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 12 race tickets | $0.99 | one-time |
| Get 145 diamonds! | $0.99 | one-time |
| Support this game | $0.99 | one-time |
| Get 185 diamonds! | $0.99 | one-time |
| Color unlock | $0.99 | one-time |


## Frequently asked questions

### Is Sync free?

Sync costs $0.99, with no in-app purchases.

### Is Diamond Blocks free?

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

### Which has better reviews, Sync or Diamond Blocks?

Sync and Diamond Blocks are both rated 4.8 out of 5 on the App Store, from 33 and 6 ratings respectively.

### Do Sync or Diamond Blocks have ads?

Diamond Blocks shows ads; Sync does not.

### Which is updated more often, Sync or Diamond Blocks?

Sync ships an update every 40 months, and Diamond Blocks every 5 days. Most recently, Sync was updated on September 10, 2026 and Diamond Blocks on September 9, 2026.

---

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