Outbreak Zero vs Astra Squad
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Outbreak Zero
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Outbreak Zero: Idle Survival is an apocalyptic idle survival RPG with tap combat, gear progression, and survivor training. Tap to clear infected creatures, upgrade your weapons, train combat skills, and grow stronger through every run. Build your survivor through Shooting, Tactics, Stealth, Medic, and Readiness training. Improve firepower, precision, endurance, and scavenging. Find weapons and armor, upgrade your gear, gather supplies, and challenge deadly infected bosses across the ruined city. But Solis City is hiding more than a virus. Asterion Group, Moonlight Home, Subject Constellation B-29, Aileen, and the secret of Subject Zero are waiting inside survivor logs and mission clues. Features: - Tap and idle combat in a ruined city - Weapons, armor, training manuals, and upgrades - Five training paths: Shooting, Tactics, Stealth, Medic, Readiness - Loot supplies, strengthen gear, and defeat bosses - First-person survivor journal storytelling - Uncover the truth behind LEO-0, Asterion Group, and Subject Zero Day Zero was only the beginning. Survive long enough, and the truth will find you.
Astra Squad
Lead humanity's counterattack against alien invaders as Commander Astra. Rebuild your forces, gather resources, and upgrade your hero with powerful weapons to defend Earth. Engage in intense battles across the planet to reclaim the stars.
- Lead humanity's defense force
- Rebuild and strengthen your army
- Gather resources
- Upgrade hero and weapons
- Fight waves of alien monsters
- Counterattack across Earth
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Rebuild the world - Reclaim the stars! The year is 2199. The alien monsters have conquered the Moon and Mars and now threaten Earth. In response, the world unites to form the ultimate defense force! Play as Commander Astra, a hero who must rebuild her army after a crushing defeat. Fight through waves of alien forces to protect the Earth! Gather valuable resources to strengthen your hero, gain powerful weapons, and lead humanity's counterattack across Earth!
Screenshots
Verdict
The clearest difference is in-app purchases: Outbreak Zero at none against Astra Squad's 12. Outbreak Zero also leads on iOS requirement (13.0 vs 15.0). On price, ads 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. Astra Squad sells 12 one-off in-app purchases. Outbreak Zero asks for nothing beyond the download.
| Parameter | Outbreak Zero | Astra Squad |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.6 (1K ratings) — better |
| Positive reviews | — | 16.7% of reviews |
| Number of ratings | — | 1K — better |
| Update frequency | — | Every 5 days |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 88 MB | 565 MB |
| Age rating | 17+ | 9+ |
| Developer | Nosh Games | MEGAGIGA GAMES BILISIM AS |
In-app purchases
Outbreak Zero
No in-app purchases
Astra Squad
- Gem Pack 1$0.99
- Starter Pack$0.99
- Rare Shotgun Pack$1.99
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- Gem Pack 2$4.99
- Turret Resource Pack$7.99
- Gem Pack 3$9.99
- No Ads Pack$9.99
- Melania Pack$9.99
- Tool Damage Forever$11.99
- Weapon Damage Forever$12.99
- Gem Pack 4$19.99
- No Ads Vip Pack$22.99









