# Star Line Defense vs Progress Singularity

The clearest difference is rating: Progress Singularity at 5.0 against Star Line Defense's 1.3. Star Line Defense's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, in-app purchases and device support there is nothing between them.

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

Progress Singularity holds the better App Store score, 5.0 against 1.3. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

## The numbers

| Metric | Star Line Defense | Progress Singularity |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.3 (4 ratings)](https://appshunter.io/ios/app/star-line-defense/id918445685/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/progress-singularity/id6764093812/reviews)** |
| Number of ratings | **4** | 1 |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 13 months | — |
| Monetization | **Free** | Ad-supported |
| Size | 22 MB | 9 MB |
| Requires iOS | **12.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [国财 胡](https://appshunter.io/developer/796061213) | [Danyal Chaudhry](https://appshunter.io/developer/1501832489) |

## 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


### Progress Singularity

[App page](https://appshunter.io/ios/app/progress-singularity/id6764093812)

An idle incremental game where you guide the evolution of an AI from a simple script to world domination. Train skills, upgrade infrastructure, and fork your mind for permanent growth.

**Highlights:** Idle progression, AI evolution paths, Skill training, Infrastructure upgrades, Fork prestige system, World domination milestone

**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 Progress Singularity free?

Progress Singularity is free to download, with no in-app purchases.

### Which has better reviews, Star Line Defense or Progress Singularity?

Progress Singularity is rated higher. Star Line Defense averages 1.3 out of 5 from 4 ratings, while Progress Singularity averages 5.0 from 1 ratings.

### Do Star Line Defense or Progress Singularity have ads?

Progress Singularity shows ads; Star Line Defense does not.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*