Comparison

Space Harrier vs Sky Ace 3D

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

Head to head
About

Space Harrier

Features
Read full description

Blast off into arcade action… right on your wrist! Take flight as Earth’s best sky-rider in this fast-paced 3D shooter built exclusively for Apple Watch. Dodge trees, weave through columns, and take down waves of bizarre enemies as the world rushes toward you at insane speeds! • Smooth tilt-to-fly controls for immersive action • Rapid-fire blasting • Epic boss encounters • Infinite arcade challenge — how far can you get? • Nostalgic 80s arcade vibe, reimagined for modern wrist gaming Your mission: Survive the onslaught. Score big. Become a Harrier legend. The arcade classic spirit is alive — now you can play it anywhere, anytime. Strap in. Eyes up. Blast everything.

About

Sky Ace 3D

Engage in thrilling 3D aerial combat directly on your Apple Watch. Maneuver through enemy fire, track targets, and battle bosses in fast-paced dogfights with intuitive one-handed controls.

Highlights
  • Real-time 3D aerial combat
  • Digital Crown controls
  • Fast dogfights
  • Progressive challenge
  • Optimized for Apple Watch
Features
Read full description

Experience fast-paced 3D aerial combat on Apple Watch. Sky Ace 3D brings real-time dogfighting to your wrist, featuring smooth 3D graphics and intuitive one-handed controls designed specifically for the Digital Crown. Dive into intense aerial battles as you maneuver through enemy fire, track hostile aircraft, fight bosses and sharpen your skills across progressively challenging levels. Built exclusively for Apple Watch, the game is optimized for short, engaging play sessions while delivering a surprisingly deep and immersive 3D experience, all on a compact screen. Key Features • Real-time 3D aerial combat optimized for watchOS. • Digital Crown Controls: Smooth, one-handed flight and combat using the Digital Crown. • Fast Dogfights: Engage enemy aircraft in quick battles. • Progressive Challenge: Face increasingly difficult waves of enemy planes. • Designed for the Wrist: Short sessions, responsive controls, and performance tuned specifically for Apple Watch hardware.

Verdict

The call

The clearest difference is price: Sky Ace 3D at Free against Space Harrier's $0.99. Sky Ace 3D also leads on iOS requirement (11 vs 13.0). Space Harrier's advantage is in-app purchases (none vs 1). On ads 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

CostPrice · In-app purchases · Ads · Monetization

Sky Ace 3D is free to download; Space Harrier costs $0.99 up front. Sky Ace 3D sells 1 one-off in-app purchase. Space Harrier asks for nothing beyond the download.

Scorecard3 real differences · 6 level
Space Harrier versus Sky Ace 3D: the parameters behind the verdict, then further details
ParameterSpace HarrierSky Ace 3D
Price$0.99Free — better
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequency—Every 3 days
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPod, Apple WatchiPhone, iPod, Apple Watch
Requires iOS13.011 — better
Further details — not scored
Size1 MB9 MB
Age rating4+4+
DeveloperJOhn LyonsCatalin Berta

In-app purchases

None

Space Harrier

No in-app purchases

1 purchases

Sky Ace 3D

One-time1
  • Full Game Access$0.99

Questions

Is Space Harrier free?
Space Harrier costs $0.99, with no in-app purchases.
Is Sky Ace 3D free?
Sky Ace 3D is free to download, with in-app purchases available.
Do Space Harrier or Sky Ace 3D have ads?
Neither Space Harrier nor Sky Ace 3D shows ads.

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