Barrel Defender vs InvaZium
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Barrel Defender
Defend your energy barrels from alien invaders in this retro arcade space shooter. Enjoy simple, intuitive controls and blast through waves of enemies with various weapons and challenging boss fights.
- Two game modes: endless and wave
- 25 alien-filled waves
- Variety of aliens and movement patterns
- Boss enemy battles
- Weapon power-ups
- Easy finger-slide controls
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Barrel Defender is an old school retro Arcade Shooter. Protect your Energy Barrels, collect extra weapons and blast away waves of aliens! Barrel Defender is easy to control. Your spacecraft follows the slide of your finger and is in 'auto shoot' mode. It is the ideal game for the casual player and retro fans. Enjoy blasting aliens... Features: - two game modes ( 'endless' and 'wave' mode ) - fight your way through 25 alien filled waves - tons of different aliens and movement pattern - fight boss enemies - collect extra weapons - beautiful space sci-fi environment - easy to control - quite easy, well known game play
InvaZium
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The planet EKC-567 is being invaded by colorful meteorites, but Korn-67, a small alien, is determined to protect his planet from the invaders. You have to shoot the invading meteorites ready to destroy the planet of Korn-67.
Screenshots
Verdict
The clearest difference is price: InvaZium at Free against Barrel Defender's $0.99. InvaZium also leads on update cadence (every 6 days vs every 39 months) and iOS requirement (12.0 vs 15.6). On ads, 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
InvaZium is free to download; Barrel Defender costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Barrel Defender ships an update every 39 months, InvaZium every 6 days. The most recent releases landed on October 31, 2026 and November 4, 2026 respectively.
| Parameter | Barrel Defender | InvaZium |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 4.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 39 months | Every 6 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 12.0 — better |
| Further details — not scored | ||
| Size | 33 MB | 54 MB |
| Age rating | 9+ | 4+ |
| Developer | Stefan Preuss | Daniel Canete Campos |
In-app purchases
Barrel Defender
No in-app purchases
InvaZium
No in-app purchases
