Comparison

Parallel Earth vs Heliovoid

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

Head to head
About

Parallel Earth

Features
Read full description

Parallel Earth (平行地球) is a fast-paced 2D horizontal shooter featuring stunning parallax space backgrounds, 3 unique pilots, and 6 intense acts of increasing challenge. FEATURES: • 3 distinct pilots with unique abilities • 6 acts with powerful boss battles • EXCEED system for unleashing ultimate attacks • Energy-based gameplay with rewarded ad refills • Japanese voice acting and immersive BGM • Stunning parallax space environments Choose your pilot, master the EXCEED system, and defend the Parallel Earth from alien invaders!

About

Heliovoid

Experience a handcrafted retro space shooter with classic side-scrolling combat. Navigate six unique stages filled with diverse enemies and massive bosses, all playable offline and without ads.

Highlights
  • Classic side-scrolling combat
  • Six handcrafted stages
  • Unique enemy behaviors
  • Colossal boss battles
  • Offline play
  • No ads
Features
Read full description

Pilot your ship through hostile cosmic worlds in Heliovoid, a classic side-scrolling space shooter. Dodge enemy formations, navigate dangerous hazards, and face colossal bosses. Play the full campaign offline with no ads. SIX HANDCRAFTED STAGES Push deeper into a strange cosmic frontier. Each stage brings its own enemies, environments, hazards, soundtrack, and final confrontation. LEARN THE PATTERNS. FIND YOUR OPENING. Fight enemy ships, walkers, turrets, and void creatures with distinct movement and attack patterns. Use positioning and timing to survive—and strike when an opening appears. COLOSSAL BOSS BATTLES Face massive bosses with distinct attack phases, mechanics, and vulnerable points. Learn each encounter and make every opening count. CLASSIC ARCADE COMBAT For fans of horizontal shoot ’em ups: focused combat, deliberate stage design, and atmospheric sci-fi worlds. OFFLINE. NO ADS. Enjoy the full campaign without an internet connection or advertising interruptions.

Screenshots

Parallel Earth4 screens
Heliovoid4 screens

Verdict

The call

The clearest difference is ads: Heliovoid at none against Parallel Earth's shown. Heliovoid also leads on update cadence (every 10 days vs every 3 months). On price, in-app purchases, 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Parallel Earth ships an update every 3 months, Heliovoid every 10 days. The most recent releases landed on November 9, 2026 and November 10, 2026 respectively.

Scorecard2 real differences · 7 level
Parallel Earth versus Heliovoid: the parameters behind the verdict, then further details
ParameterParallel EarthHeliovoid
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 3 monthsEvery 10 days — better
AdsYesNo — better
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.017.0
Further details — not scored
Size185 MB178 MB
Age rating12+4+
DeveloperSui Fai LawNX Gentech, LLC

In-app purchases

None

Parallel Earth

No in-app purchases

None

Heliovoid

No in-app purchases

Questions

Is Parallel Earth free?
Parallel Earth is free to download, with no in-app purchases.
Is Heliovoid free?
Heliovoid is free to download, with no in-app purchases.
Do Parallel Earth or Heliovoid have ads?
Parallel Earth shows ads; Heliovoid does not.
Which is updated more often, Parallel Earth or Heliovoid?
Parallel Earth ships an update every 3 months, and Heliovoid every 10 days. Most recently, Parallel Earth was updated on November 9, 2026 and Heliovoid on November 10, 2026.

Other comparisons