Alien Robot Defender Free vs Knives Jam 3D
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Alien Robot Defender Free
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.
- Classic side-scrolling gameplay
- Battle alien robots
- Unlock new levels
- High score challenges
- Master 40 levels
- Sharp shooter bonus
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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
Knives Jam 3D
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Dive into Knives Jam 3D, a thrilling blend of knife throwing and strategic knife sorting! Throw knives to break wooden logs while sorting them by color to progress through challenging levels and become the ultimate knife master. Can you conquer the ultimate challenge and master every level? Features: - Addictive knife-throwing gameplay - Strategic knife sorting - Increasingly challenging levels - Vibrant 3D graphics and engaging sound effects Test your precision and strategy in Knives Jam 3D!
Screenshots
Verdict
The clearest difference is ads: Alien Robot Defender Free at none against Knives Jam 3D's shown. Alien Robot Defender Free also leads on iOS requirement (6.0 vs 12.0). Knives Jam 3D's advantage is update cadence (every 5 days vs every 50 months). On price, in-app purchases and device support 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.
Alien Robot Defender Free ships an update every 50 months, Knives Jam 3D every 5 days. The most recent releases landed on November 1, 2026 and November 8, 2026 respectively.
| Parameter | Alien Robot Defender Free | Knives Jam 3D |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (3 ratings) — better | — |
| Positive reviews | 80.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 50 months | Every 5 days — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 6.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 13 MB | 125 MB |
| Age rating | 4+ | 4+ |
| Developer | Mike Hempfling | RedLine Games |
In-app purchases
Alien Robot Defender Free
No in-app purchases
Knives Jam 3D
No in-app purchases
Questions
Is Alien Robot Defender Free free?
Is Knives Jam 3D free?
Do Alien Robot Defender Free or Knives Jam 3D have ads?
Which is updated more often, Alien Robot Defender Free or Knives Jam 3D?
Other comparisons
