Space Invad vs PolyTowerz
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Space Invad
Fly a UFO through real-world cities using augmented reality. Cause cartoonish destruction while searching for lost aliens on an endlessly scrolling AR map.
- Augmented reality gameplay
- Fly a UFO
- Real-world city environments
- Cartoonish destruction
- Search for lost aliens
- Endlessly scrolling AR map
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Use augmented reality to fly a UFO through real-world cities. Cause cartoonish destruction as you search for lost aliens in an endlessly-scrolling AR map, built with the Mapbox Maps for Unity SDK.
PolyTowerz
This is a tactical tower defense game focused on strategic placement and tower combinations. It features unique towers with distinct abilities and a deep meta-progression system. The game offers multiple modes, daily challenges, and offline play.
- 11 unique towers with distinct abilities
- Tower fusion for hybrid combinations
- Strategic synergy bonuses
- Deep meta-progression and skill tree
- Multiple game modes including endless and new game plus
- Daily challenges and leaderboards
- Offline play
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Command your defenses. Master the synergies. Conquer the waves. PolyTowerz is a tactical tower defense game where placement and combinations matter more than brute force. Every tower, enemy and explosion is drawn in code instead of painted as an image, so the board stays razor sharp neon at any speed. Plays offline, or online in co-op with a friend. 11 UNIQUE TOWERS • Shard: Rapid tri-shot for clearing swarms fast • Bastion: Reliable all-round cannon for steady damage • Hex: Chain lightning that bounces between enemies • Pulse: Radial burst with a slowing aura • Prism: High-damage sniper that pierces through multiple enemies • Nova: Ignites enemies with burn damage that bypasses shields • Laser: Sustained beam tower with widening firepower • Blackhole: Fires persistent vortex zones that pull and damage • Scythe: Spawns rotating blade zones for continuous area damage • Acid: Corrosive globs that make enemies take more damage from all towers • Sol: Charges solar energy, then fires one devastating sustained beam THE FOUNDRY Fuse two towers into one hybrid. Chassis plus infusion, 66 combinations to discover, each with its own name, look and dual attack. Defeat the first boss to bring the forge online. 11 POWERFUL SYNERGIES Position towers strategically to activate synergies that boost their power. Ignite Heatwave with Sol and Nova, amplify corrosion with Acid and Pulse, or form the Storm Forge triangle with Bastion, Shard and Pulse for a lightning beam that damages everything it crosses. Finding the right combinations is where the real strategy begins. DEEP META PROGRESSION Earn Core Shards by winning levels and completing challenges. Spend them in the skill tree to unlock new towers, stronger synergies and global boosts. Push for Level 5 towers and Transcendence, then raise your hybrids even higher through the Foundry. Player levels 1 to 50 with titles and avatar frames. LEVELS AND MODES 24 campaign levels across 3 difficulty tiers, 3 boss fights, 7 survival maps and an endless mode. Earn 3-star ratings to unlock the boss levels and face Omegon, the final boss only the sharpest commanders defeat. NEW GAME PLUS Finish the campaign and begin a cycle. Your meta progression stays, every wave hits harder, and three enemies show up that a first run never sees: Colossus, Herald and Phasewalker. A cycle is also the only way to earn the King, the twelfth tower. CO-OP Defend one board with a friend. Invite by link or code, ready up in the lobby, and share one game. Unlocked after your first win. DAILY CHALLENGES AND REWARDS • A fresh challenge every day on a rotating map • Daily login rewards with a streak bonus system • Game Center leaderboards for Endless, Daily Challenge, Survival and player level • Invite a friend and you both earn Core Shards 42 ACHIEVEMENTS From surviving with one life to activating five synergies in a single run. Every playstyle gets rewarded, from defensive perfectionist to aggressive tower spammer. BUILT TO LAST • An AI coach that briefs you before every wave, running entirely on your device (on supported devices) • Full soundtrack with battle, menu and boss themes • iCloud sync keeps your progress safe across devices • Two game speeds: normal and 2x fast-forward • Save and share a highlight of your best run • Plays offline, or online in co-op with a friend • 12 languages
Screenshots
Verdict
The clearest difference is rating: Space Invad at 5.0 against PolyTowerz's 3.0. Space Invad also leads on ads (none vs shown) and monetization model (free vs ad-supported). On price 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.
Space Invad holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively.
| Parameter | Space Invad | PolyTowerz |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | 3.0 (1 ratings) |
| Number of ratings | 4 — better | 1 |
| Update frequency | — | Every 2 weeks |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 11.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 69 MB | 71 MB |
| Age rating | 12+ | 9+ |
| Developer | Mapbox, Inc. | Mustafa Karademir |
Customer experience
Space Invad
PolyTowerz
In-app purchases
Space Invad
No in-app purchases
PolyTowerz
No in-app purchases









