Otherworldly Zombies vs RollingFlagBall
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Otherworldly Zombies
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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.
RollingFlagBall
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The rules are simple. Just roll the ball and hit the flag! A very fun balance ball game. [Features] â—†Enjoyable for both men and women. â—†Easy to play even for beginners. â—†You can skip levels if you just can't progress. â—†You can progress little by little in your free time. â—†A game that can be played for free until the end. [NAZOKOI] We mainly create puzzles and escape games. If you like this app, please try our other apps.
Screenshots
Verdict
The clearest difference is in-app purchases: Otherworldly Zombies at none against RollingFlagBall's 2. Otherworldly Zombies also leads on ads (none vs shown) and iOS requirement (11.0 vs 13.0). On price, update cadence 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. RollingFlagBall sells 2 one-off in-app purchases. Otherworldly Zombies asks for nothing beyond the download.
Both ship on a similar rhythm, roughly every 4 days. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.
| Parameter | Otherworldly Zombies | RollingFlagBall |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 days | Every 4 days |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 11.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 101 MB | 152 MB |
| Age rating | 12+ | 4+ |
| Developer | Osawa Shunsuke | Akina Kubota |
In-app purchases
Otherworldly Zombies
No in-app purchases
RollingFlagBall
- AdRemove$0.99
- AllAdRemove$1.99
Questions
Is Otherworldly Zombies free?
Is RollingFlagBall free?
Do Otherworldly Zombies or RollingFlagBall have ads?
Which is updated more often, Otherworldly Zombies or RollingFlagBall?
Other comparisons
