Comparison

Solo Fighter vs Parallel Earth

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

Head to head
About

Solo Fighter

Features
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It's World War II and you're on your own. Fly your Spitfire through wave after wave of enemy fighters, take down the bosses and make it home. SIMPLE TO FLY Drag anywhere to steer, or tilt your phone. Your guns fire automatically, so you can focus on dodging and positioning. ARCADE ACTION • Endless enemy waves that get tougher as you go • Boss fights • Five weapon types with power-up upgrades • Specials and combo scoring CHASE THE HIGH SCORE Enter your initials on the high-score board and come back to beat it. Classic sprites from the original game, rebuilt for modern iPhones.

About

Parallel Earth

Features
Read full description

Parallel Earth (平蔌地球) 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!

Screenshots

Solo Fighter4 screens
Parallel Earth4 screens

Verdict

The call

The clearest difference is update cadence: Parallel Earth at every 3 months against Solo Fighter's every 76 months. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

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

UpkeepUpdate frequency

Solo Fighter ships an update every 76 months, Parallel Earth every 3 months. The most recent releases landed on November 6, 2026 and November 9, 2026 respectively.

Scorecard1 real difference Ā· 5 level
Solo Fighter versus Parallel Earth: the parameters behind the verdict, then further details
ParameterSolo FighterParallel Earth
PriceFreeFree
Update frequencyEvery 76 monthsEvery 3 months — better
AdsYesYes
In-app purchasesNoNo
DevicesiPhoneiPhone, iPad — better
Requires iOS17.017.0
Further details — not scored
Size37 MB185 MB
Age rating12+12+
DeveloperChain InterlynxSui Fai Law

In-app purchases

None

Solo Fighter

No in-app purchases

None

Parallel Earth

No in-app purchases

Questions

Is Solo Fighter free?
Solo Fighter is free to download, with no in-app purchases.
Is Parallel Earth free?
Parallel Earth is free to download, with no in-app purchases.
Do Solo Fighter or Parallel Earth have ads?
Both Solo Fighter and Parallel Earth show ads.
Which is updated more often, Solo Fighter or Parallel Earth?
Solo Fighter ships an update every 76 months, and Parallel Earth every 3 months. Most recently, Solo Fighter was updated on November 6, 2026 and Parallel Earth on November 9, 2026.

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