Otherworldly Zombies vs Hey Summer
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Otherworldly Zombies
Read full descriptionHide full description
You've been reincarnated in an another world controlled by zombies. Let's come back from an another world. 6 worlds x 5 difficulty. You can play a total of 30 levels. If you reach the goal (transporter) without being caught by the zombies, the level is complete. If you get caught by a zombie the game is over. [How to play] Use the joystick at the bottom left to move it. Press the dash button at the bottom right to dash for a moment. Dashing reduces your stamina, but you'll recover it after dash. If you have more than half your stamina left, you can dash.
Hey Summer
Embark on a cool underwater adventure with intuitive swipe controls. Explore mysterious worlds, discover hidden paths, and enjoy a relaxing summer atmosphere with a chill soundtrack. The ocean is full of surprises and gentle challenges.
- Intuitive swipe controls
- Underwater exploration
- Relaxing atmosphere
- Dynamic secret paths
- Gentle challenges
Read full descriptionHide full description
Swipe to control is the key to victory. Dive into a cool summer adventure beneath the waves. Guide Summer across sparkling seas, discover hidden paths, and slip into mysterious worlds below the surface—all with smooth, satisfying swipe controls. About the Game In summer, let’s enjoy playing games in the cool sea. You can adjust Summer’s movement by swiping the screen left and right. Missed the lane? Don’t worry—drift into the unknown and explore the enchanting world under the sea. The ocean is full of surprises, gentle challenges, and moments of pure joy. Key Features Intuitive Controls: Swipe to control is the key to victory. Steer left or right with a single finger. Relaxing Vibes: Chill soundtrack, soft colors, and breezy summer atmosphere. Dynamic Paths: Stay on course or intentionally veer off to uncover secret routes. How to Play Swipe left/right to steer Summer. The sea is full of joy—have a great time with Hey Summer.
Screenshots
Verdict
The clearest difference is ads: Otherworldly Zombies at none against Hey Summer's shown. Otherworldly Zombies also leads on update cadence (every 4 days vs every 42 months) and iOS requirement (11.0 vs 18.0). 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.
Otherworldly Zombies ships an update every 4 days, Hey Summer every 42 months. The most recent releases landed on October 25, 2026 and November 3, 2026 respectively.
| Parameter | Otherworldly Zombies | Hey Summer |
|---|---|---|
| Price | Free | Free |
| Rating | — | 1.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 4 days — better | Every 42 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | — | Ad-supported |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 11.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 101 MB | 295 MB |
| Age rating | 12+ | 9+ |
| Developer | Osawa Shunsuke | Matthew & Rouge |
In-app purchases
Otherworldly Zombies
No in-app purchases
Hey Summer
No in-app purchases
Questions
Is Otherworldly Zombies free?
Is Hey Summer free?
Do Otherworldly Zombies or Hey Summer have ads?
Which is updated more often, Otherworldly Zombies or Hey Summer?
Other comparisons















