# Star Line Defense vs Circular Defense

The clearest difference is review sentiment: Circular Defense at 100% against Star Line Defense's 33%. Circular Defense also leads on rating (3.7 vs 1.3) and update cadence (every 2 days vs every 13 months). On price, ratings volume, 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.

Circular Defense holds the better App Store score, 3.7 against 1.3. Both are backed by a comparable volume of ratings — 4 and 7 respectively. Written reviews point the same way: 33% of Star Line Defense's written reviews are positive against 100% of Circular Defense's.

Star Line Defense ships an update every 13 months, Circular Defense every 2 days. The most recent releases landed on October 1, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Star Line Defense | Circular Defense |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.3 (4 ratings)](https://appshunter.io/ios/app/star-line-defense/id918445685/reviews) | **[3.7 (7 ratings)](https://appshunter.io/ios/app/circular-defense/id1410103026/reviews)** |
| Number of ratings | 4 | **7** |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 2 days** |
| Monetization | Free | Free |
| Size | 22 MB | 124 MB |
| Requires iOS | 12.0 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [国财 胡](https://appshunter.io/developer/796061213) | [Picola Inc.](https://appshunter.io/developer/983881487) |

## What reviewers say

### Star Line Defense

[App page](https://appshunter.io/ios/app/star-line-defense/id918445685)

Engage in a fun strategy defense game where you build towers to prevent enemies from reaching your fortress. Upgrade equipment and skills using in-game currency earned by defeating foes. Enjoy gorgeous graphics and constantly updated levels in this free puzzle experience.

**Highlights:** Tower defense gameplay, Equipment and skill upgrades, Gorgeous graphics, Themed levels, Constant level updates, Free to play

**Features:** macOS Compatibility

**In-app purchases:** none


### Circular Defense

[App page](https://appshunter.io/ios/app/circular-defense/id1410103026)

Engage in a unique tower defense experience where enemies approach the core from all sides. Strategically place and upgrade circular turrets to defend your position across over 50 challenging stages. Enjoy a smooth, time-killing gameplay with simple controls and deep strategic possibilities.

**Highlights:** Unique circular turret defense, Strategic placement and upgrades, Over 50 challenging stages, Easy to operate controls, Smooth, time-killing gameplay

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Star Line Defense free?

Star Line Defense is free to download, with no in-app purchases.

### Is Circular Defense free?

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

### Which has better reviews, Star Line Defense or Circular Defense?

Circular Defense is rated higher. Star Line Defense averages 1.3 out of 5 from 4 ratings, while Circular Defense averages 3.7 from 7 ratings.

### Do Star Line Defense or Circular Defense have ads?

Neither Star Line Defense nor Circular Defense shows ads.

### Which is updated more often, Star Line Defense or Circular Defense?

Star Line Defense ships an update every 13 months, and Circular Defense every 2 days. Most recently, Star Line Defense was updated on October 1, 2026 and Circular Defense on October 6, 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.*