Solo Fighter vs Parallel Earth
Price, ratings, monetisation and update history for both games, side by side ā with what reviewers say about each.
Solo Fighter
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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.
Parallel Earth
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Parallel Earth (å¹³č”å°ē) 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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
| Parameter | Solo Fighter | Parallel Earth |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 76 months | Every 3 months ā better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPad ā better |
| Requires iOS | 17.0 | 17.0 |
| Further details ā not scored | ||
| Size | 37 MB | 185 MB |
| Age rating | 12+ | 12+ |
| Developer | Chain Interlynx | Sui Fai Law |
In-app purchases
Solo Fighter
No in-app purchases
Parallel Earth
No in-app purchases








