# Stack Down vs Untangle Fever

The clearest difference is update cadence: Stack Down at every 4 days against Untangle Fever's every 2 months. Stack Down also leads on ratings volume (16 vs 5). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.6 for Stack Down against 4.6 for Untangle Fever. Both are backed by a comparable volume of ratings — 16 and 5 respectively.

Stack Down ships an update every 4 days, Untangle Fever every 2 months. The most recent releases landed on September 16, 2026 and June 2, 2026 respectively.

## The numbers

| Metric | Stack Down | Untangle Fever |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (16 ratings)](https://appshunter.io/ios/app/stack-down/id6749611467/reviews) | [4.6 (5 ratings)](https://appshunter.io/ios/app/untangle-fever/id6751053368/reviews) |
| Number of ratings | **16** | 5 |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 4 days** | Every 2 months |
| Monetization | Ad-supported | Ad-supported |
| Size | 205 MB | 205 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ela Game](https://appshunter.io/developer/1536955498) | [Bahadir Yerdelen](https://appshunter.io/developer/399810241) |

## What reviewers say

### Stack Down

[App page](https://appshunter.io/ios/app/stack-down/id6749611467)

Engage in a strategic tile-matching puzzle game where you merge cannonballs to form triples and slot them into containers. Clear stacked tiles before the timer runs out, utilizing power-ups and mastering foresight to overcome increasingly complex levels.

**Highlights:** Cannonball merging for triples, Strategic slotting into containers, Tower dismantling gameplay, Timer-based challenges, Unlockable power-ups and boosters, Visually polished graphics and animations

**Features:** macOS Compatibility

**In-app purchases:** none


### Untangle Fever

[App page](https://appshunter.io/ios/app/untangle-fever/id6751053368)

This puzzle game challenges you to untangle colorful arrows. Tap strategically to move arrows to their slots, matching colors to clear the board. Limited space and cascading moves require careful planning to avoid getting stuck.

**Highlights:** Layered arrow tangles, Strategic tapping mechanics, Color matching to clear, Limited slot space, Layer-by-layer board clearing, Requires careful planning

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Stack Down free?

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

### Is Untangle Fever free?

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

### Which has better reviews, Stack Down or Untangle Fever?

Stack Down and Untangle Fever are both rated 4.6 out of 5 on the App Store, from 16 and 5 ratings respectively.

### Do Stack Down or Untangle Fever have ads?

Both Stack Down and Untangle Fever show ads.

### Which is updated more often, Stack Down or Untangle Fever?

Stack Down ships an update every 4 days, and Untangle Fever every 2 months. Most recently, Stack Down was updated on September 16, 2026 and Untangle Fever on June 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.*