# Flush Sky Master vs Ink Sync

The clearest difference is review sentiment: Ink Sync at 100% against Flush Sky Master's 33%. Ink Sync also leads on update cadence (every 4 days vs every 5 weeks) and rating (5.0 vs 4.7). Flush Sky Master's advantage is ratings volume (23 vs 4). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Flush Sky Master sells 1 in-app purchase, starting at $9.99 per 7 days and Ink Sync sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Ink Sync holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Flush Sky Master has 23 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 33% of Flush Sky Master's written reviews are positive against 100% of Ink Sync's.

Flush Sky Master ships an update every 5 weeks, Ink Sync every 4 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Flush Sky Master | Ink Sync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (23 ratings)](https://appshunter.io/ios/app/flush-sky-master/id6757466075/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/ink-sync-sync-or-sink/id6758124526/reviews)** |
| Number of ratings | **23** | 4 |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 weeks | **Every 4 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 180 MB | 107 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [丽 刘](https://appshunter.io/developer/1882485483) | [EverSky Studio, LLC](https://appshunter.io/developer/1774004273) |

## What reviewers say

### Flush Sky Master

[App page](https://appshunter.io/ios/app/flush-sky-master/id6757466075)

Navigate a challenging ascent by stepping on pedals to climb higher, collect items, and defeat a boss at the summit to complete levels. A VIP subscription offers an ad-free experience and exclusive skins.

**Highlights:** Steer left/right to step on pedals, Climb high, Collect items, Take down the boss, Clear levels, Ad-free experience (VIP), Exclusive VIP skins (VIP)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| vip weekly | $9.99 | per 7 days |


### 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 Flush Sky Master free?

Flush Sky Master is free to download, with in-app purchases available.

### Is Ink Sync free?

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

### Which has better reviews, Flush Sky Master or Ink Sync?

Ink Sync is rated higher. Flush Sky Master averages 4.7 out of 5 from 23 ratings, while Ink Sync averages 5.0 from 4 ratings.

### Do Flush Sky Master or Ink Sync have ads?

Both Flush Sky Master and Ink Sync show ads.

### Which is updated more often, Flush Sky Master or Ink Sync?

Flush Sky Master ships an update every 5 weeks, and Ink Sync every 4 days. Most recently, Flush Sky Master was updated on October 24, 2026 and Ink Sync on October 24, 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.*