Stupid Zombies® 2 vs Shatter Sync
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Stupid Zombies® 2
Engage in a zombie-slaying adventure with a sequel packed with new creatures, weapons, and puzzles. Enjoy 600 levels of bouncy gun shooting fun with a choice of hero characters and competitive leaderboards.
- 600 levels
- Bouncy gun shooting gameplay
- Male and female hero characters
- Game Center leaderboards
- New creatures and weapons
Read full descriptionHide full description
What is a good zombie story without a sequel? The undead return in this new, jam-packed release with exciting, brainless creatures, weapons, puzzles, moody environments all wrapped up in a slick, user-friendly package. Features: Funtastic game play, now even better! Now with 600 levels. Choose between a male and female hero character. Game Center leader boards.
Shatter Sync
Read full descriptionHide full description
Overview Experience the ultimate thrill and exhilaration with Shatter Sync! Simple controls, endless fun. Game Features ・Obstacle-Smashing Balls: Launch balls to smash through obstacles on each stage. ・Unlimited Ball Firing: Fire balls without limits. Enjoy endless play. ・Tense Gameplay: One hit to an obstacle and it's game over. Sharpen your focus and play! ・Exhilarating Smashing Action: Enjoy the thrill of smashing obstacles. ・Simple Controls: Touch with one finger. Easy for anyone to play. ・Variety of Stages: Keep playing with diverse stages that never get boring. Enjoy deep gameplay with simple controls in Shatter Sync. Download now and experience the exciting shattering action!
Screenshots
Verdict
The clearest difference is in-app purchases: Shatter Sync at none against Stupid Zombies® 2's 10. Shatter Sync also leads on update cadence (every 3 weeks vs every 3 months). On price, ads, device support and iOS requirement 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. Stupid Zombies® 2 sells 10 one-off in-app purchases. Shatter Sync asks for nothing beyond the download.
Stupid Zombies® 2 ships an update every 3 months, Shatter Sync every 3 weeks. The most recent releases landed on September 27, 2026 and September 21, 2026 respectively.
| Parameter | Stupid Zombies® 2 | Shatter Sync |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (17K ratings) — better | — |
| Positive reviews | 84.5% of reviews | — |
| Number of ratings | 17K — better | — |
| Update frequency | Every 3 months | Every 3 weeks — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 180 MB | 261 MB |
| Age rating | 17+ | 4+ |
| Developer | GameResort LLC | Yuusuke Mizukurai |
Bugs and requests
Stupid Zombies® 2
Reported bugs
3 issues- Barrel not exploding on Wild West Level 13
- Crashes and data loss issues
- Compatibility problems on older devices
Requested features
4 requests- Add controller support
- Introduce new playable characters
- Expand level selection with more variety
- Improve level design and balancing
Shatter Sync
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Stupid Zombies® 2
- 5 Air Strikes$0.99
- 5 Ammo Resurrections$0.99
- Circus Levels$0.99
Show 7 moreShow fewer
- Snow Levels$0.99
- WIld West Levels$0.99
- 10 Air Strikes$1.99
- 50 Air Strikes$3.99
- 50 Ammo Resurrections$3.99
- 100 Air Strikes$4.99
- 1000 Ammo Resurrections$9.99
Shatter Sync
No in-app purchases
Questions
Is Stupid Zombies® 2 free?
Is Shatter Sync free?
Do Stupid Zombies® 2 or Shatter Sync have ads?
Which is updated more often, Stupid Zombies® 2 or Shatter Sync?
Other comparisons
