# Up Circle 3D vs Stack Attack!!

The clearest difference is rating: Stack Attack!! at 4.3 against Up Circle 3D's 3.2. Stack Attack!! also leads on ratings volume (403 vs 5). Up Circle 3D's advantage is in-app purchases (none vs 19) and review sentiment (50% vs 23%). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Stack Attack!! sells 19 one-off in-app purchases. Up Circle 3D asks for nothing beyond the download.

Stack Attack!! holds the better App Store score, 4.3 against 3.2. That said, the two scores are not equally well evidenced: Stack Attack!! has 403 ratings behind it against 5, so its average is the more settled of the two. Written reviews complicate that: 50% of Up Circle 3D's written reviews are positive against 23% of Stack Attack!!'s, so the app with the better star average is not the one people write more warmly about.

Up Circle 3D ships an update every 3 weeks, Stack Attack!! every 2 weeks. The most recent releases landed on September 10, 2026 and August 19, 2026 respectively.

## The numbers

| Metric | Up Circle 3D | Stack Attack!! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.2 (5 ratings)](https://appshunter.io/ios/app/up-circle-3d/id1662487216/reviews) | **[4.3 (403 ratings)](https://appshunter.io/ios/app/stack-attack/id6566190313/reviews)** |
| Number of ratings | 5 | **403** |
| Positive reviews | **50.0% of reviews** | 23.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 117 MB | 247 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [CHEF GAME STUDIO YAZILIM TEKNOLOJILERI LIMITED SIRKETI](https://appshunter.io/developer/1353922263) | [Voodoo](https://appshunter.io/developer/714804730) |

## What reviewers say

### Up Circle 3D

[App page](https://appshunter.io/ios/app/up-circle-3d/id1662487216)

Defend your base by building layers of shields against waves of attacking enemies. Click to upgrade turrets, create more defensive circles, and use special abilities to overcome increasingly powerful foes. Aim to defeat more enemies with each battle and become the ultimate defender.

**Highlights:** Build shield layers, Upgrade turrets, Clicker gameplay, Enemy merging mechanics, Auto-click option, EMP attack ability

**Features:** macOS Compatibility

**In-app purchases:** none


### Stack Attack!!

[App page](https://appshunter.io/ios/app/stack-attack/id6566190313)

Engage in intense battles against waves of enemies, strategically demolishing their formations with powerful weapons. Upgrade your capabilities by selecting the best skills to protect the cube world from a malevolent hex invasion.

**Highlights:** Defeat enemy waves, Demolish enemy stacks, Upgrade skills, Save the cube world, Space invader gameplay

**Features:** macOS Compatibility

**In-app purchases (19)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gem Pack Small | $0.99 | one-time |
| Gold Pack Small | $0.99 | one-time |
| Starter Pack | $2.99 | one-time |
| No Ads | $2.99 | one-time |
| Gem Pack Medium | $4.99 | one-time |
| 2X Speed! | $4.99 | one-time |
| Gold Pack Medium | $4.99 | one-time |
| Skip'its Medium Pack | $5.99 | one-time |
| Gem Pack Large | $9.99 | one-time |
| Gold Pack Large | $9.99 | one-time |
| Premium Pass | $14.99 | one-time |
| Gem Pack XL | $19.99 | one-time |
| Skip'its Large Pack | $19.99 | one-time |
| Gold Pack XL | $19.99 | one-time |
| Diamond Hero | $29.99 | one-time |
| Gem Pack XXL | $49.99 | one-time |
| Gold Pack XXL | $49.99 | one-time |
| Gem Pack XXXL | $99.99 | one-time |
| Gold Pack XXXL | $99.99 | one-time |

**What reviewers like**

- 👍 Simple and fun gameplay
- 🚀 No ads or microtransactions
- 💡 Nice armor upgrade system

**What reviewers complain about**

- 🐛 Glitches and bugs, especially after updates
- 🐛 Progress and upgrades getting reset or lost
- 🐛 Levels becoming unplayable after a certain point

**Reported bugs**

- Enemies' health scaling with player's attack power
- Levels freezing or getting stuck at checkpoints
- Weapon and upgrade levels getting downgraded randomly

**Requested features**

- Mute sound effects option
- Better communication from developers about updates
- More content and stages to progress through


## Frequently asked questions

### Is Up Circle 3D free?

Up Circle 3D is free to download, with no in-app purchases.

### Is Stack Attack!! free?

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

### Which has better reviews, Up Circle 3D or Stack Attack!!?

Stack Attack!! is rated higher. Up Circle 3D averages 3.2 out of 5 from 5 ratings, while Stack Attack!! averages 4.3 from 403 ratings.

### Do Up Circle 3D or Stack Attack!! have ads?

Both Up Circle 3D and Stack Attack!! show ads.

### Which is updated more often, Up Circle 3D or Stack Attack!!?

Up Circle 3D ships an update every 3 weeks, and Stack Attack!! every 2 weeks. Most recently, Up Circle 3D was updated on September 10, 2026 and Stack Attack!! on August 19, 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.*