Comparison

Gyro Roll vs Zeravault TD

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

Head to head
About

Gyro Roll

Control a rolling ball using only your device's tilt. Navigate an endlessly narrowing path, perform jumps, and compete for high scores on global leaderboards. Unlock cosmetic skins and achievements as you progress.

Highlights
  • Pure tilt-based controls
  • Endless, narrowing procedural paths
  • Worldwide high score rankings
  • Unlockable ball skins
  • In-game achievements
  • One-handed play
  • Background auto-pause
Features
Read full description

Gyro Roll is a pure tilt-balance arcade for iPhone. Tilt your device to roll the ball along an endless, narrow path that curves and shrinks the further you go. One slip and you fall. One jump and you survive. How far can you balance? โ–ผ Pure gyro controls No buttons. No swipes. Just tilt. Sensitivity is adjustable in Settings (0.4ร—โ€“1.6ร—) so you can dial in the feel that matches your grip. โ–ผ Endless narrowing road Procedural Catmull-Rom paths curve through space. The road starts wide and friendly, then narrows over distance. At 1000m, expect a true balance challenge. At 5000m, you'll need barrier-jump reflexes too. โ–ผ Worldwide rankings Submit your best distance to the world TOP 100. No login. No spam. Pick a name (1โ€“16 chars) and your score appears instantly. See where you stand against players worldwide. โ–ผ 15 ball skins to unlock Roll 100m for Azure, 500m for Crimson, 1000m for Emerald, 2000m for Amethyst, all the way to the legendary Stellar at 10000m. Watch rewarded videos to instantly unlock playful skins: Beach Ball, Basketball, Snowman, Tennis Ball, Baseball, Watermelon, Eyeball. โ–ผ Achievements Hit milestones to earn distance badges โ€” from First Step (100m) to Legend (10000m). โ–ผ One-handed play Designed for portrait orientation, single-hand grip. Perfect for commutes, queues, breaks. โ–ผ Background-safe Switching to background auto-pauses your run. No more dying because of a notification. โ–ผ No ads option Optional in-app purchase removes all ads forever (ยฅ300). Banner, interstitial, rewarded โ€” all gone. Get tilting.

About

Zeravault TD

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Zeravault TD is a challenging, old-school tower defense game where placement, timing, and targeting matter. Defend six hostile sectors across 48 stages, learn branching routes, and hold back increasingly difficult enemy waves. OLD-SCHOOL TOWER DEFENSE. REAL CHALLENGE. - 48 stages and nine boss encounters, including a two-boss finale. - Five tower types, each with three upgrade levels. - Diverse enemies and adjustable targeting priorities. - Branching and merging routes with two exits from stage 25 onward. - Earn Scrap and unlock permanent Workshop upgrades. - Retry full stages for free and improve your approach. PLAY OFFLINE The main campaign works offline. Build carefully, upgrade thoughtfully, and master every route. OPTIONAL ADS AND PURCHASES Ads never interrupt battles. Optional rewarded ads offer extra advantages, and optional life packs add lives to your reserve. A one-time Remove Ads purchase disables automatic full-screen ads; voluntary rewarded ads remain available. Internet access is required for ads and new purchases.

Screenshots

Gyro Roll4 screens
Zeravault TD4 screens

Verdict

The call

Gyro Roll and Zeravault TD are too close to call on the numbers: across 5 compared parameters โ€” price, ads, in-app purchases and device support among them โ€” neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Gyro Roll sells 1 one-off in-app purchase and Zeravault TD sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ScorecardNo meaningful differences
Gyro Roll versus Zeravault TD: the parameters behind the verdict, then further details
ParameterGyro RollZeravault TD
PriceFreeFree
Positive reviews100.0% of reviewsโ€”
Update frequencyโ€”Every 10 days
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesโ€”
DevicesiPhoneiPhone, iPod โ€” better
Requires iOS16.015.0 โ€” better
Further details โ€” not scored
Size7 MB77 MB
Age rating4+12+
DeveloperYOSHIKI KOAKUTSUYIGIT OZCIFCI

In-app purchases

1 purchases

Gyro Roll

One-time1
  • Remove Ads$1.99
4 purchases

Zeravault TD

One-time4
  • 1 Life$0.99
  • 5 Lives$1.99
  • Remove Ads$2.99
Show 1 more
  • 10 Lives$2.99

Questions

Is Gyro Roll free?
Gyro Roll is free to download, with in-app purchases available.
Is Zeravault TD free?
Zeravault TD is free to download, with in-app purchases available.
Do Gyro Roll or Zeravault TD have ads?
Both Gyro Roll and Zeravault TD show ads.

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