# Fluid Turrets vs Coin Stack

The clearest difference is in-app purchases: Fluid Turrets at none against Coin Stack's 10. Coin Stack's advantage is update cadence (every 9 days vs every 3 months) and iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Coin Stack sells 10 one-off in-app purchases. Fluid Turrets asks for nothing beyond the download.

Fluid Turrets ships an update every 3 months, Coin Stack every 9 days. The most recent releases landed on October 7, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Fluid Turrets | Coin Stack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (25 ratings)](https://appshunter.io/ios/app/fluid-turrets/id6752559307/reviews)** | — |
| Number of ratings | **25** | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 9 days** |
| Monetization | Ad-supported | — |
| Size | 182 MB | 283 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Lutfi Baykan](https://appshunter.io/developer/1330662150) | [Runyou Game](https://appshunter.io/developer/1741492000) |

## What reviewers say

### Fluid Turrets

[App page](https://appshunter.io/ios/app/fluid-turrets/id6752559307)

Guide colorful liquids through pipes to fill turrets. Release to shoot matching colored blocks and make them burst. Strategize to prevent blocks from stacking and blocking the flow.

**Highlights:** Liquid flow mechanics, Color matching puzzles, Block bursting, Strategic stacking prevention, Fast-paced gameplay

**Features:** macOS Compatibility

**In-app purchases:** none


### Coin Stack

[App page](https://appshunter.io/ios/app/coin-stack-sort-puzzle/id6753212541)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tiny Coin Pack | $1.99 | one-time |
| Small Coin Pack | $7.99 | one-time |
| Remove Ads | $7.99 | one-time |
| Arcade Player Pack | $9.99 | one-time |
| Super Arcade Pack | $19.99 | one-time |
| Hyper Speed Pack | $39.99 | one-time |
| Huge Coin Pack | $54.99 | one-time |
| Overdrive Pack | $79.99 | one-time |
| Gigantic Coin Pack | $99.99 | one-time |
| Aurora Deluxe Pack | $99.99 | one-time |


## Frequently asked questions

### Is Fluid Turrets free?

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

### Is Coin Stack free?

Coin Stack is free to download, with in-app purchases available.

### Do Fluid Turrets or Coin Stack have ads?

Both Fluid Turrets and Coin Stack show ads.

### Which is updated more often, Fluid Turrets or Coin Stack?

Fluid Turrets ships an update every 3 months, and Coin Stack every 9 days. Most recently, Fluid Turrets was updated on October 7, 2026 and Coin Stack on October 4, 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.*