Comparison

Roller Coaster vs Zero Out

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Roller Coaster

Navigate a ball at high speed on a winding road. Avoid gray obstacles to prevent game over, and hit colored blocks to score points and collect coins. Triggering the center of color blocks yields bonus points and effects.

Highlights
  • High-speed ball rolling
  • Twisty road navigation
  • Avoid gray blocks
  • Hit color blocks for points
  • Collect coins
  • Center hit bonus
Features
Read full description

Roll the ball on the twisty road with an extremely speed. Move the ball to avoid the gray blocks and hit the color blocks, hit the center of color block can get a good score. Block Effect: Gray Block: Game Over Yellow Block: Add 1 point to score, trigger center will get additive points. Green Block: Random effect, 1.game over, 2.score points, 3.coins

About

Zero Out

This game helps you spend the exact remaining balance on your Apple account by purchasing virtual cat food. Watch your pixel cat grow as you clear your balance and prepare to switch App Store regions.

Highlights
  • Spend exact Apple account balance
  • Purchase virtual cat food
  • Raise and bond with a pixel cat
  • Collect 28 different foods
  • Works in 175 regions
  • No account or data collection
Features
Read full description

Zero Out turns a tedious chore into a delight: clearing the leftover balance on your Apple account — by feeding an adorable pixel cat. WHY ZERO OUT? Want to switch your App Store country/region? Apple requires you to spend your remaining balance first. Those odd leftover cents are too small to buy anything — until now. HOW IT WORKS 1. Enter your current Apple account balance 2. Zero Out instantly computes a combination of virtual cat foods that adds up to the exact amount 3. Purchase them via standard In-App Purchase — your balance hits zero, precisely 4. Every food you buy is automatically fed to your pixel cat. Nothing goes to waste! RAISE YOUR PIXEL CAT - 28 delicious foods to collect, from Dried Fishies to the Nine-Tier Feast - Feed, pet, and check in daily to earn EXP and bond - Watch your kitten grow from Kitten to Grand Elder - Unlock 14 achievements and complete the Food Dex FEATURES - Works in all 175 regions — prices are read live from the App Store in your local currency - Exact zero-out algorithm with a closest-combo fallback - No account, no sign-up, no data collection - 100% standard StoreKit purchases — safe and secure Clear your balance. Feed your cat. Switch regions with ease.

Screenshots

Roller Coaster4 screens
Zero Out4 screens

Verdict

The call

The clearest difference is in-app purchases: Roller Coaster at none against Zero Out's 10. Roller Coaster also leads on ratings volume (241 vs 1) and device support (3 vs 1). Zero Out's advantage is ads (none vs shown) and rating (5.0 vs 4.5). On price 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Zero Out sells 10 one-off in-app purchases. Roller Coaster asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Zero Out holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Roller Coaster has 241 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Roller Coaster ships an update every 2 months, Zero Out every 2 weeks. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

Scorecard8 real differences · 2 level
Roller Coaster versus Zero Out: the parameters behind the verdict, then further details
ParameterRoller CoasterZero Out
PriceFreeFree
Rating4.5 (241 ratings)5.0 (1 ratings) — better
Positive reviews80.0% of reviews—
Number of ratings241 — better1
Update frequencyEvery 2 monthsEvery 2 weeks — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better17.0
Further details — not scored
Size152 MB2 MB
Age rating4+4+
Developer广杰 周方言 高

Customer experience

Roller Coaster

All ratings240 ratings
Positive87.5%
Neutral6.7%
Negative5.8%
Written reviews5 reviews
Positive80.0%
Neutral20.0%
Negative0.0%

Zero Out

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Roller Coaster

No in-app purchases

10 purchases

Zero Out

One-time10
  • 小鱼干$0.29
  • 猫饼干$0.39
  • 温牛奶$0.49
Show 7 more
  • 三文鱼$0.79
  • 鸡蛋羹$0.90
  • 鸡肉松$0.95
  • 鲜鸡肝$1.00
  • 鳕鱼块$1.19
  • 猫薄荷$1.29
  • 海鲜拼$1.99

Questions

Is Roller Coaster free?
Roller Coaster is free to download, with no in-app purchases.
Is Zero Out free?
Zero Out is free to download, with in-app purchases available.
Which has better reviews, Roller Coaster or Zero Out?
Zero Out is rated higher. Roller Coaster averages 4.5 out of 5 from 241 ratings, while Zero Out averages 5.0 from 1 ratings.
Do Roller Coaster or Zero Out have ads?
Roller Coaster shows ads; Zero Out does not.
Which is updated more often, Roller Coaster or Zero Out?
Roller Coaster ships an update every 2 months, and Zero Out every 2 weeks. Most recently, Roller Coaster was updated on November 2, 2026 and Zero Out on October 31, 2026.

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