# RobotVSAlien vs Tech Wars

The clearest difference is rating: RobotVSAlien at 4.0 against Tech Wars's 3.0. RobotVSAlien also leads on ads (none vs shown) and iOS requirement (7.0 vs 12.0). Tech Wars's advantage is in-app purchases (none vs 1) and update cadence (daily vs every 2 weeks). On price, ratings volume and device support there is nothing between them.

Both are free to download. RobotVSAlien sells 1 one-off in-app purchase. Tech Wars asks for nothing beyond the download.

RobotVSAlien holds the better App Store score, 4.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

RobotVSAlien ships an update every 2 weeks, Tech Wars daily. The most recent releases landed on October 4, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | RobotVSAlien | Tech Wars |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/robotvsalien/id863067072/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/tech-wars/id6476835395/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Daily** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 55 MB | 100 MB |
| Requires iOS | **7.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 9+ |
| Developer | [Akihiro Fujiwara](https://appshunter.io/developer/721031264) | [Husam Suwaid](https://appshunter.io/developer/1355415649) |

## What reviewers say

### RobotVSAlien

[App page](https://appshunter.io/ios/app/robotvsalien/id863067072)

Defend against alien invaders using a growing army of robots. This casual defense game allows players to upgrade and promote their units to increase their strength. Design your own giant robot and repel the alien threat.

**Highlights:** Casual defense gameplay, Unit promotion and upgrading, Design giant robots, Repel alien invaders, Unique robot and alien designs

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads and Privilege granting | $0.99 | one-time |


### 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 RobotVSAlien free?

RobotVSAlien is free to download, with in-app purchases available.

### Is Tech Wars free?

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

### Which has better reviews, RobotVSAlien or Tech Wars?

RobotVSAlien is rated higher. RobotVSAlien averages 4.0 out of 5 from 1 ratings, while Tech Wars averages 3.0 from 2 ratings.

### Do RobotVSAlien or Tech Wars have ads?

Tech Wars shows ads; RobotVSAlien does not.

### Which is updated more often, RobotVSAlien or Tech Wars?

RobotVSAlien ships an update every 2 weeks, and Tech Wars daily. Most recently, RobotVSAlien was updated on October 4, 2026 and Tech Wars on September 27, 2026.

---

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