Comparison

Space Cadet Defender vs HELI HELL 2024

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

Head to head
About

Space Cadet Defender

Defend Earth from alien invaders in this fast-paced arcade shooter. Progress through 50 unique levels, upgrade your ship with powerful enhancements, and face off against challenging boss battles. Compete with friends by viewing local and world high scores.

Highlights
  • Fast-paced arcade gameplay
  • 50 unique levels
  • Ship upgrades
  • Boss battles
  • Unique power-ups
  • Score viewing
Features
Read full description

FEATURES: - Fast paced, exciting invaders style arcade game. - 50 Unique levels, can you pass them all? - Enhance your ship with powerful upgrades. - Boss levels with powerful Alien Overlords. - Unique powerups. - View friends scores, both local and world. - Save and restore in-progress games. These are troubling times. Earth’s very existence is threatened. Alien invaders from outer space have been sent to destroy our planet. You have been called up to repel their attack. You must plan your battle strategy well and upgrade your fighter ship as the fight progresses to defeat the increasingly advanced alien space craft. Beware, their powerful overlords are watching and will join the fight to help the alien forces destroy us. We’re counting on you. Earth is counting on you. You can do it, you are a Space Cadet!

About

HELI HELL 2024

Pilot a helicopter through intense aerial combat, dodging bullets and destroying enemies. Upgrade weapons and customize your chopper to face waves of adversaries and massive bosses in this retro-inspired bullet hell shooter.

Highlights
  • 6 helicopters
  • 22 upgradable weapons
  • Over 50 enemy units
  • Massive bosses
  • Retro-inspired levels
  • High score competition
Features
Read full description

GET TO THE CHOPPAAAAAA! Unleash the fury of the skies in HELI HELL – the ultimate bullet hell shmup that will test your mettle and your trigger finger! Dive into a relentless arcade experience where the sky is your battlefield and danger comes from every angle. Your mission: pilot a battle-hardened helicopter through waves of relentless enemies, dodging a maelstrom of bullets and obliterating adversaries with a formidable arsenal at your fingertips. SHOW NO MERCY! FEATURES: - 6 helicopters (and more to come) - 22 upgradable weapons - Over 50 different enemy units - MASSIVE. HEAVY. BOSSES. Prepare for vertical mayhem as you ascend through retro-inspired levels, each packed with unique challenges and ruthless bosses. HELI HELL combines the nostalgia of classic shooters with the intense action of modern bullet hell games. Rack up high scores, compete with players worldwide, and etch your name in the annals of high-flying heroes. With every level, the onslaught intensifies, pushing your skills to the limit as you navigate through the chaos of non-stop bullet storms. Customize your chopper, unlock devastating weapons, and show no mercy as you blast through enemy lines. Whether you're a seasoned shmup veteran or a newcomer to the arcade shooter genre, HELI HELL offers an adrenaline-pumping, sky-dominating adventure that's not for the faint of heart. Join the aerial assault, embrace the bullet hell, and become the ultimate sky warrior in HELI HELL – where victory is only a shot away!

Screenshots

Space Cadet Defender4 screens
HELI HELL 20244 screens

Verdict

The call

The clearest difference is rating: HELI HELL 2024 at 4.6 against Space Cadet Defender's 4.1. HELI HELL 2024 also leads on ratings volume (217 vs 23). Space Cadet Defender's advantage is ads (none vs shown) and iOS requirement (3.1 vs 15.0). On price, review sentiment, update cadence and in-app purchases 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. Space Cadet Defender sells 8 one-off in-app purchases and HELI HELL 2024 sells 11 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

HELI HELL 2024 holds the better App Store score, 4.6 against 4.1. That said, the two scores are not equally well evidenced: HELI HELL 2024 has 217 ratings behind it against 23, so its average is the more settled of the two. Written reviews point the same way: 75% of Space Cadet Defender's written reviews are positive against 78% of HELI HELL 2024's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on July 15, 2026 and September 27, 2026 respectively.

Scorecard4 real differences · 6 level
Space Cadet Defender versus HELI HELL 2024: the parameters behind the verdict, then further details
ParameterSpace Cadet DefenderHELI HELL 2024
PriceFreeFree
Rating4.1 (23 ratings)4.6 (217 ratings) — better
Positive reviews74.6% of reviews77.7% of reviews — better
Number of ratings23217 — better
Update frequencyEvery 2 monthsEvery 2 months
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS3.1 — better15.0
Further details — not scored
Size5 MB674 MB
Age rating4+12+
DeveloperSixHourSoft LLCNikita Efremov

Customer experience

Space Cadet Defender

All ratings23 ratings
Positive69.6%
Neutral13.0%
Negative17.4%
Written reviews63 reviews
Positive74.6%
Neutral9.5%
Negative15.9%

HELI HELL 2024

All ratings217 ratings
Positive90.8%
Neutral4.1%
Negative5.1%
Written reviews529 reviews
Positive77.7%
Neutral7.8%
Negative14.6%

Bugs and requests

Space Cadet Defender

Not enough reviews yet to summarise bugs or requests.

HELI HELL 2024

Reported bugs

3 issues
  • Restore purchases not working
  • Game progress not syncing across devices
  • Invisible mines in certain levels

Requested features

4 requests
  • More levels and content updates
  • Ability to customize helicopters
  • Manual firing option
  • In-game music

In-app purchases

8 purchases

Space Cadet Defender

One-time8
  • Level Pack 1$0.99
  • Cannon Upgrade$0.99
  • Artillery Upgrade$0.99
Show 5 more
  • Shield Upgrade$0.99
  • Nuke Power Upgrade$0.99
  • Engine Speed Upgrade$0.99
  • Nuke Pack of 20$0.99
  • Extra Life$0.99
11 purchases

HELI HELL 2024

One-time11
  • Permanent Magnet$0.99
  • Piggy bank$0.99
  • Piggy bank$1.99
Show 8 more
  • Wad of money$1.99
  • Wad of money$2.99
  • War cooperative$2.99
  • President's slush fund$3.99
  • War cooperative$4.99
  • Government support$6.99
  • President's slush fund$9.99
  • Government support$19.99

Questions

Is Space Cadet Defender free?
Space Cadet Defender is free to download, with in-app purchases available.
Is HELI HELL 2024 free?
HELI HELL 2024 is free to download, with in-app purchases available.
Which has better reviews, Space Cadet Defender or HELI HELL 2024?
HELI HELL 2024 is rated higher. Space Cadet Defender averages 4.1 out of 5 from 23 ratings, while HELI HELL 2024 averages 4.6 from 217 ratings.
Do Space Cadet Defender or HELI HELL 2024 have ads?
HELI HELL 2024 shows ads; Space Cadet Defender does not.
Which is updated more often, Space Cadet Defender or HELI HELL 2024?
Space Cadet Defender ships an update every 2 months, and HELI HELL 2024 every 2 months. Most recently, Space Cadet Defender was updated on July 15, 2026 and HELI HELL 2024 on September 27, 2026.

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