Comparison

Sub Command vs Sky Defense

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

Head to head
About

Sub Command

Pilot a submarine and sink enemy ships using torpedoes in this arcade-style game. Maneuver your vessel with tilt controls and use sonar to locate targets. Enjoy a classic gaming experience with no ads or in-app purchases.

Highlights
  • Arcade-style submarine combat
  • Tilt controls for movement
  • Sonar for ship detection
  • Torpedo firing mechanics
  • WW2 ship silhouettes
  • No ads or in-app purchases
Features
Read full description

Sink enemy ships with torpedoes in this arcade-style submarine game! Tilt the phone left or right to scan the seas, or use sonar to spot approaching ships. Tap the screen to shoot. Tilt the phone down to submerge and dodge depth charges. Ship names and silhouettes based on Axis ships from WW2. No ads. No stuff to buy in-game. Just sink as many ships as you can within the time limit. Requires iOS 7.0 or greater.

About

Sky Defense

Defend your airspace in an intense arcade shooter against an alien invasion. Engage in fast-paced, vertical ground-to-air combat with realistic visuals and a thrilling story. Perfect for quick bursts of action.

Highlights
  • Fast-paced arcade shooting
  • Unique vertical gameplay
  • Thrilling story mode
  • Realistic visuals and sound
  • Pick-up-and-play accessibility
Features
Read full description

Sky Defense: War Duty: Rise up and defend your airspace! Brace yourself for an arcade shooter showdown where the sky's the limit... for your enemies! In Sky Defense: War Duty, you'll stand as the last line of defense against a relentless alien invasion, raining down fire and fury from your fortified base. Ready to answer the call of duty? Sky Defense: War Duty offers: - Fast-paced, adrenaline-pumping arcade shooting: Simple controls, explosive action, and tons of enemies to blast! - Unique vertical gameplay: Defend from below, watch the skies, and master the art of ground-to-air combat. - Thrilling story: Experience the grit and determination of defending your homeland against all odds. - Realistic visuals and sound: Immerse yourself in the heat of battle with stunning graphics and bone-crushing explosions. - Pick-up-and-play fun: Perfect for casual players looking for a quick burst of action. Download Sky Defense: War Duty now and become a hero! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://horusent.com/privacy-policy/

Screenshots

Sub Command4 screens
Sky Defense4 screens

Verdict

The call

The clearest difference is review sentiment: Sky Defense at 50% against Sub Command's 0%. Sky Defense also leads on price (Free vs $0.99) and rating (4.6 vs 3.3). Sub Command's advantage is in-app purchases (none vs 32) and ads (none vs shown). On 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 Defense is free to download; Sub Command costs $0.99 up front. Sky Defense sells 32 one-off in-app purchases. Sub Command asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Sky Defense holds the better App Store score, 4.6 against 3.3. That said, the two scores are not equally well evidenced: Sky Defense has 11K ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 0% of Sub Command's written reviews are positive against 50% of Sky Defense's.

UpkeepUpdate frequency

Sub Command ships an update every 10 months, Sky Defense every 2 months. The most recent releases landed on September 26, 2026 and October 17, 2026 respectively.

Scorecard9 real differences · 1 level
Sub Command versus Sky Defense: the parameters behind the verdict, then further details
ParameterSub CommandSky Defense
Price$0.99Free — better
Rating3.3 (4 ratings)4.6 (11K ratings) — better
Positive reviews0.0% of reviews50.0% of reviews — better
Number of ratings411K — better
Update frequencyEvery 10 monthsEvery 2 months — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS7.0 — better13.0
Further details — not scored
Size29 MB313 MB
Age rating9+12+
DeveloperJay LuoHorus

Customer experience

Sub Command

All ratings4 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews4 reviews
Positive0.0%
Neutral25.0%
Negative75.0%

Sky Defense

All ratings11,237 ratings
Positive88.8%
Neutral7.5%
Negative3.7%
Written reviews88 reviews
Positive50.0%
Neutral11.4%
Negative38.6%

Bugs and requests

Sub Command

Not enough reviews yet to summarise bugs or requests.

Sky Defense

Reported bugs

2 issues
  • Unable to summon airstrike
  • Game only supported to level 180

Requested features

2 requests
  • New updates and levels
  • Translator for chat

In-app purchases

None

Sub Command

No in-app purchases

32 purchases

Sky Defense

One-time32
  • Remove Ads End Game$1.99
  • Twin M2 Browning Sale 50%$1.99
  • Small Starter Pack$1.99
Show 29 more
  • Pocket of Gold$2.99
  • 9K111 Fagot Sale 30%$2.99
  • Twin M2 Browning Sale 30%$2.99
  • Pocket of Gold First Purchase$2.99
  • Extra Pack$4.99
  • Bag of Gold$4.99
  • Twin Type 92 Sale 50%$4.99
  • Unique Handful of Gold$4.99
  • Twin M2 Browning$4.99
  • Medium Starter Pack$4.99
  • Handful of Gold First Purchase$4.99
  • Twin Type 92 Sale 30%$6.99
  • Extra Starter Pack$6.99
  • Twin Type 92$9.99
  • Twin M.A 306 Sale 50%$9.99
  • PILE OF CASH$9.99
  • Package 7 Days$9.99
  • Pile of Gold$9.99
  • Pile of Gold First Purchase$9.99
  • Special Pack Sale 20%$18.99
  • BAG OF CASH$19.99
  • Bag of Gold$19.99
  • Bag of Gold Bonus 800 Gold$19.99
  • Twin MG42 BBQ$19.99
  • Bag of Gold First Purchase$19.99
  • Special Pack$23.99
  • Twin Sentry Chaingun$24.99
  • Case of Gold$29.99
  • CASE OF CASH$29.99

Questions

Is Sub Command free?
Sub Command costs $0.99, with no in-app purchases.
Is Sky Defense free?
Sky Defense is free to download, with in-app purchases available.
Which has better reviews, Sub Command or Sky Defense?
Sky Defense is rated higher. Sub Command averages 3.3 out of 5 from 4 ratings, while Sky Defense averages 4.6 from 11K ratings.
Do Sub Command or Sky Defense have ads?
Sky Defense shows ads; Sub Command does not.
Which is updated more often, Sub Command or Sky Defense?
Sub Command ships an update every 10 months, and Sky Defense every 2 months. Most recently, Sub Command was updated on September 26, 2026 and Sky Defense on October 17, 2026.

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