# Ink Sync vs Block Circuit

The clearest difference is ratings volume: Ink Sync at 4 against Block Circuit's 1. On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. Ink Sync sells 1 one-off in-app purchase and Block Circuit sells 8 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Ink Sync against 5.0 for Block Circuit. Both are backed by a comparable volume of ratings — 4 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Ink Sync ships an update every 4 days, Block Circuit every 5 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Ink Sync | Block Circuit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/ink-sync-sync-or-sink/id6758124526/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/block-circuit-prison-blast/id6760566674/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 4 days** | Every 5 days |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 107 MB | 110 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [EverSky Studio, LLC](https://appshunter.io/developer/1774004273) | [Tolga Cakir](https://appshunter.io/developer/934998154) |

## What reviewers say

### Ink Sync

[App page](https://appshunter.io/ios/app/ink-sync-sync-or-sink/id6758124526)

Engage your mind with a unique logic puzzle game where you paint entire rows or columns at once. Mix colors, plan your moves, and solve over 400 handcrafted puzzles. Enjoy a relaxing yet challenging experience with no timers or lives.

**Highlights:** Unique row/column painting mechanic, Color mixing logic, 400+ handcrafted puzzles, No timers or lives, Offline play, Hint system

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $5.99 | one-time |


### Block Circuit

[App page](https://appshunter.io/ios/app/block-circuit-prison-blast/id6760566674)

Solve logic puzzles by strategically placing blocks to create escape paths for imprisoned cores. Merge, transform, and guide them to safety while building a pyramid. Enjoy endless, offline challenges with no time pressure.

**Highlights:** Place blocks to create escape paths, Merge and transform cores, Guide cores to the nest, Build a pyramid, 100% offline play, Endless puzzles, Daily login rewards

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Joker Pack (Medium) | $1.99 | one-time |
| Continue Tokens (10x) | $1.99 | one-time |
| Theme Pack 1 | $1.99 | one-time |
| Skin Pack 1 | $2.99 | one-time |
| Skin Pack 2 | $2.99 | one-time |
| Skin Pack 3 | $2.99 | one-time |
| Skin Pack 4 | $2.99 | one-time |
| Founder Pack | $3.99 | one-time |


## Frequently asked questions

### Is Ink Sync free?

Ink Sync is free to download, with in-app purchases available.

### Is Block Circuit free?

Block Circuit is free to download, with in-app purchases available.

### Which has better reviews, Ink Sync or Block Circuit?

Ink Sync and Block Circuit are both rated 5.0 out of 5 on the App Store, from 4 and 1 ratings respectively.

### Do Ink Sync or Block Circuit have ads?

Both Ink Sync and Block Circuit show ads.

### Which is updated more often, Ink Sync or Block Circuit?

Ink Sync ships an update every 4 days, and Block Circuit every 5 days. Most recently, Ink Sync was updated on November 5, 2026 and Block Circuit on October 31, 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.*