# Alien Robot Defender Free vs Tech Wars

The clearest difference is review sentiment: Alien Robot Defender Free at 80% against Tech Wars's 0%. Alien Robot Defender Free also leads on rating (3.7 vs 3.0) and ads (none vs shown). Tech Wars's advantage is update cadence (daily vs every 50 months). On price, ratings volume, 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.

Alien Robot Defender Free holds the better App Store score, 3.7 against 3.0. Both are backed by a comparable volume of ratings — 3 and 2 respectively. Written reviews point the same way: 80% of Alien Robot Defender Free's written reviews are positive against 0% of Tech Wars's.

Alien Robot Defender Free ships an update every 50 months, Tech Wars daily. The most recent releases landed on October 23, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Alien Robot Defender Free | Tech Wars |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/alien-robot-defender-free/id548626813/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/tech-wars/id6476835395/reviews) |
| Number of ratings | **3** | 2 |
| Positive reviews | **80.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 50 months | **Daily** |
| Monetization | **Free** | Ad-supported |
| Size | 13 MB | 100 MB |
| Requires iOS | **6.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Mike Hempfling](https://appshunter.io/developer/422781074) | [Husam Suwaid](https://appshunter.io/developer/1355415649) |

## What reviewers say

### Alien Robot Defender Free

[App page](https://appshunter.io/ios/app/alien-robot-defender-free/id548626813)

Engage in a classic side-scrolling shooter, defending against waves of alien robots. Strategically shoot invaders to unlock new levels and achieve high scores. Different robot behaviors add to the challenge.

**Highlights:** Classic side-scrolling gameplay, Battle alien robots, Unlock new levels, High score challenges, Master 40 levels, Sharp shooter bonus

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

**In-app purchases:** none


### Tech Wars

[App page](https://appshunter.io/ios/app/tech-wars/id6476835395)

A futuristic tower defense game where players command advanced technology to protect their city from waves of robotic enemies. Strategically deploy and upgrade defensive towers to fend off the tech onslaught.

**Highlights:** Futuristic tower defense gameplay, Strategic tower deployment, Tower upgrades, Defend against robotic enemies, High-tech defense system command

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Alien Robot Defender Free free?

Alien Robot Defender Free is free to download, with no in-app purchases.

### Is Tech Wars free?

Tech Wars is free to download, with no in-app purchases.

### Which has better reviews, Alien Robot Defender Free or Tech Wars?

Alien Robot Defender Free is rated higher. Alien Robot Defender Free averages 3.7 out of 5 from 3 ratings, while Tech Wars averages 3.0 from 2 ratings.

### Do Alien Robot Defender Free or Tech Wars have ads?

Tech Wars shows ads; Alien Robot Defender Free does not.

### Which is updated more often, Alien Robot Defender Free or Tech Wars?

Alien Robot Defender Free ships an update every 50 months, and Tech Wars daily. Most recently, Alien Robot Defender Free was updated on October 23, 2026 and Tech Wars on October 13, 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.*