# overlap vs Ink Sync

The clearest difference is in-app purchases: overlap at none against Ink Sync's 1. overlap also leads on update cadence (daily vs every 4 days) and iOS requirement (13.0 vs 15.0). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. Ink Sync sells 1 one-off in-app purchase. overlap asks for nothing beyond the download.

overlap ships an update daily, Ink Sync every 4 days. The most recent releases landed on October 21, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | overlap | Ink Sync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/ink-sync-sync-or-sink/id6758124526/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Daily** | Every 4 days |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 39 MB | 107 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chanhyeok Na](https://appshunter.io/developer/1772457904) | [EverSky Studio, LLC](https://appshunter.io/developer/1774004273) |

## What reviewers say

### overlap

[App page](https://appshunter.io/ios/app/overlap/id6744515646)

A new type of puzzle game where blocks disappear when they overlap. Recreate the given puzzle board exactly, considering how overlaps affect the final image. It's a simple yet strategic challenge that gets progressively harder.

**Highlights:** Overlapping blocks disappear rule, Various stages with increasing difficulty, Clean and minimalist design, Addictive gameplay loop, Strategic puzzle solving

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is overlap free?

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

### Is Ink Sync free?

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

### Do overlap or Ink Sync have ads?

Both overlap and Ink Sync show ads.

### Which is updated more often, overlap or Ink Sync?

overlap ships an update daily, and Ink Sync every 4 days. Most recently, overlap was updated on October 21, 2026 and Ink Sync on October 2, 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.*