Comparison

Barrel Defender vs Evolvace E2

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

Head to head
About

Barrel Defender

Defend your energy barrels from alien invaders in this retro arcade space shooter. Enjoy simple, intuitive controls and blast through waves of enemies with various weapons and challenging boss fights.

Highlights
  • Two game modes: endless and wave
  • 25 alien-filled waves
  • Variety of aliens and movement patterns
  • Boss enemy battles
  • Weapon power-ups
  • Easy finger-slide controls
Features
Read full description

Barrel Defender is an old school retro Arcade Shooter. Protect your Energy Barrels, collect extra weapons and blast away waves of aliens! Barrel Defender is easy to control. Your spacecraft follows the slide of your finger and is in 'auto shoot' mode. It is the ideal game for the casual player and retro fans. Enjoy blasting aliens... Features: - two game modes ( 'endless' and 'wave' mode ) - fight your way through 25 alien filled waves - tons of different aliens and movement pattern - fight boss enemies - collect extra weapons - beautiful space sci-fi environment - easy to control - quite easy, well known game play

About

Evolvace E2

Features
Read full description

Evolved online real time showdown shooter.  The marvelous battle between Evolvace E2s which surpass Evolvace begins.  More unique battleships which evolved to E2.  In addition to E2s, all E1s appear. Battle of the 12 battleships. Can you beat the E2s with the E1s?  Solo, watch, local match, and world match are all featured.  'Evolvace' was just the begining.  The marvelous E2's appear!!! The overwhelming destructive power!!! Which battleship is the strongest???  GuardaceRE E2・・・Cross RemzE2 equipped. Having both the high attack power and the high defensive ability.  EvolvaceP E2・・・The docking type RemzP E2 equipped. Having the overwhelming destructive power.  EvolvaceD E2・・・Hyper Gravity Shield equipped. Having the ultimate defensive system undetectable.  EvolvaceR E2・・・Decimal RemzR E2 equipped. The strongest 360°Remz attack clear enemies up.  EvolvaceS E2・・・New weapons equipped. A combination of a variety of attacks causes the ruinous destruction.  EvolvaceM E2・・・The 2nd edition of Dark-matter Energy Generator equipped. Ruling the space, it gets the dark fort.  Why do Evolvaces have to evolve?  What is the new enemy that Guardace is menaced by.  The conclusion of Resurrace trilogy!!!

Screenshots

Barrel Defender4 screens
Evolvace E24 screens

Verdict

The call

The clearest difference is in-app purchases: Barrel Defender at none against Evolvace E2's 2. Barrel Defender also leads on price ($0.99 vs $4.99). Evolvace E2's advantage is update cadence (every 8 months vs every 39 months). On ads, device support and iOS requirement 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

Barrel Defender costs $0.99 and Evolvace E2 $4.99 up front. Evolvace E2 sells 2 one-off in-app purchases. Barrel Defender asks for nothing beyond the download.

UpkeepUpdate frequency

Barrel Defender ships an update every 39 months, Evolvace E2 every 8 months. The most recent releases landed on October 31, 2026 and October 24, 2026 respectively.

Scorecard3 real differences · 7 level
Barrel Defender versus Evolvace E2: the parameters behind the verdict, then further details
ParameterBarrel DefenderEvolvace E2
Price$0.99 — better$4.99
Rating4.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 39 monthsEvery 8 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.6
Further details — not scored
Size33 MB87 MB
Age rating9+4+
DeveloperStefan PreussTetsuyoshi Morikawa

In-app purchases

None

Barrel Defender

No in-app purchases

2 purchases

Evolvace E2

One-time2
  • Addition$0.99
  • Stage clear button$0.99

Questions

Is Barrel Defender free?
Barrel Defender costs $0.99, with no in-app purchases.
Is Evolvace E2 free?
Evolvace E2 costs $4.99, and also offers in-app purchases.
Do Barrel Defender or Evolvace E2 have ads?
Neither Barrel Defender nor Evolvace E2 shows ads.
Which is updated more often, Barrel Defender or Evolvace E2?
Barrel Defender ships an update every 39 months, and Evolvace E2 every 8 months. Most recently, Barrel Defender was updated on October 31, 2026 and Evolvace E2 on October 24, 2026.

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