Alien Robot Defender vs Chain Stacker
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Alien Robot Defender
Engage in a classic side-scrolling shooter experience, battling waves of alien robots. Your mission is to eliminate invaders, unlock progressively challenging levels, and achieve a high score. Master diverse robot movement patterns to succeed.
- Side-scrolling gameplay
- Battle alien robots
- Unlock new levels
- High score challenges
- Easy controls
- 40 challenging levels
Read full descriptionHide full description
This is a classic side scrolling game where you battle with alien robots. The goal of the game is to shoot as many of the invading robots as you can to unlock the next level and get a high score. The different colored robots move in different ways which make it more difficult to shoot them. + Easy to use controls + Master 40 different challenging levels + Sharp shooter bonus star + Shoot alien robots so you can unlock new levels
Chain Stacker
A unique jewelry-making game where you stack chains and fill them with jewels. Enhance your chains with precious metals and gems to increase their value. Compete to become the richest by making the best offers at the end of each level.
- Stack chains
- Fill chains with jewels
- Enhance chains with silver, gold, and diamonds
- Increase chain value
- Make offers to become rich
Read full descriptionHide full description
We are here with a unique and wonderful jewelry making game. Stack the chains forward while filling your chain with jewels. Make your chains more valuable by watering them with silver, gold and diamonds. At the end of the road, choose the best of the offers and write your name among the richest. We wish you happy and enjoyable games.
Screenshots
Verdict
The clearest difference is ads: Alien Robot Defender at none against Chain Stacker's shown. Alien Robot Defender also leads on update cadence (every 2 months vs every 31 months) and monetization model (free vs ad-supported). On price, rating, ratings volume and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for Alien Robot Defender against 5.0 for Chain Stacker. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
Alien Robot Defender ships an update every 2 months, Chain Stacker every 31 months. The most recent releases landed on October 7, 2026 and September 30, 2026 respectively.
| Parameter | Alien Robot Defender | Chain Stacker |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 | 1 |
| Update frequency | Every 2 months — better | Every 31 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 6.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 11 MB | 79 MB |
| Age rating | 4+ | 4+ |
| Developer | Mike Hempfling | omer cetin |
Customer experience
Alien Robot Defender
Chain Stacker
In-app purchases
Alien Robot Defender
No in-app purchases
Chain Stacker
No in-app purchases
Questions
Is Alien Robot Defender free?
Is Chain Stacker free?
Which has better reviews, Alien Robot Defender or Chain Stacker?
Do Alien Robot Defender or Chain Stacker have ads?
Which is updated more often, Alien Robot Defender or Chain Stacker?
Other comparisons
