# Ink Sync vs Stacktop

The clearest difference is in-app purchases: Stacktop at none against Ink Sync's 1. Stacktop also leads on ads (none vs shown). Ink Sync's advantage is update cadence (every 4 days vs every 2 weeks). On price, device support and iOS requirement there is nothing between them.

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

Ink Sync ships an update every 4 days, Stacktop every 2 weeks. The most recent releases landed on October 2, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Ink Sync | Stacktop |
| --- | --- | --- |
| 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 | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 107 MB | 63 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [EverSky Studio, LLC](https://appshunter.io/developer/1774004273) | [Justin Gillenwater](https://appshunter.io/developer/6788779077) |

## 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 |


### Stacktop

[App page](https://appshunter.io/ios/app/stacktop/id6788779075)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ink Sync free?

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

### Is Stacktop free?

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

### Do Ink Sync or Stacktop have ads?

Ink Sync shows ads; Stacktop does not.

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

Ink Sync ships an update every 4 days, and Stacktop every 2 weeks. Most recently, Ink Sync was updated on October 2, 2026 and Stacktop on October 8, 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.*