Comparison

Space TD vs Sky Drifter

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

Head to head
About

Space TD

Features
Read full description

Eliminate space pirates, upgrade your defenses, and gain new powers on the way!

About

Sky Drifter

Features
Read full description

Take flight across a shattered sky in Sky Drifter: Flight Rush, a fast arcade flying game built around quick reactions, smart routes, and one-more-run progression. Steer your ship between floating islands, ruined temples, frozen peaks, fortified skies, and volcanic hazards. Slip through gates, collect energy crystals and gold cubes, evade obstacles, and let your cannons tear through hostile drones. MASTER THREE FLIGHT ABILITIES โ€ข Charge Shield with energy crystals to survive dangerous collisions. โ€ข Collect gold cubes to power a burst of Boost. โ€ข Fly farther to unleash Rift Pulse and clear nearby threats. EXPLORE FIVE DISTINCT WORLDS Progress from the Forest Archipelago to Desert Ruins, Frozen Peaks, Sky Fortress, and the Volcanic Zone. Each world introduces a new atmosphere, route, hazard mix, speed, and distance target. BUILD YOUR FLEET Unlock ten ships across Common, Rare, Epic, and Legendary rarities. Improve Hull, Engine, Weapon, and Utility systems, then customize your fleet with skins, trails, and auras. KEEP CLIMBING Complete daily and weekly missions, take on daily challenges, earn achievements, collect activity chests, maintain your login streak, and chase a new personal best. PLAY YOUR WAY Choose drag or tap steering, adjust sensitivity, control music and effects independently, and select a 30 FPS option for lower-power devices. Sky Drifter can be played without creating an account. Progress and settings are stored locally on your device. Optional in-app purchases offer currency, energy, cosmetic packs, crates, and special bundles. Optional rewarded ads grant energy only after you choose to watch them.

Screenshots

Space TD4 screens
Sky Drifter4 screens

Verdict

The call

The clearest difference is in-app purchases: Space TD at none against Sky Drifter's 9. On price, update cadence, ads and device support there is nothing between them.

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. Sky Drifter sells 9 one-off in-app purchases. Space TD asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on November 9, 2026 and October 29, 2026 respectively.

Scorecard1 real difference ยท 5 level
Space TD versus Sky Drifter: the parameters behind the verdict, then further details
ParameterSpace TDSky Drifter
PriceFreeFree
Update frequencyEvery 3 weeksEvery 3 weeks
AdsYesYes
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPod
Requires iOS15.015.0
Further details โ€” not scored
Size210 MB46 MB
Age rating9+12+
DeveloperHot Yeti Studio OUJonathan Rycx

In-app purchases

None

Space TD

No in-app purchases

9 purchases

Sky Drifter

One-time9
  • Starter Crate$1.49
  • Energy Pack$1.99
  • Gold Pack$1.99
Show 6 more
  • Trail Pack$2.49
  • Skin Pack$3.99
  • Starter Pack$4.99
  • Gem Pack$4.99
  • Premium Crate$4.99
  • Season Pass$6.99

Questions

Is Space TD free?
Space TD is free to download, with no in-app purchases.
Is Sky Drifter free?
Sky Drifter is free to download, with in-app purchases available.
Do Space TD or Sky Drifter have ads?
Both Space TD and Sky Drifter show ads.
Which is updated more often, Space TD or Sky Drifter?
Space TD ships an update every 3 weeks, and Sky Drifter every 3 weeks. Most recently, Space TD was updated on November 9, 2026 and Sky Drifter on October 29, 2026.

Other comparisons