Spermicidor vs Parallel Earth
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Spermicidor
Pilot a shrinking ship through unknown territories, destroying enemies and collecting power-ups. This retro-inspired arcade shooter combines casual runner mechanics with high-octane combat.
- Retro shooter gameplay
- Casual runner mechanics
- Enemy destruction
- Power-up collection
- Touchscreen controls
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You've done the unthinkable....you forgot to use protection. Only with your shrinking ship can you prevent this mistake. Spermicidor is a spin on the classic retro shooters that have been seen through time at your favorite arcade. A casual runner mixed with the high octane of destroying enemies while cruising through parts unknown. HOW TO PLAY: * Touch the screen to move and shoot enemies * Collect power ups to enhance your ship
Parallel Earth
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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!
Screenshots
Verdict
The clearest difference is update cadence: Spermicidor at every 2 weeks against Parallel Earth's every 3 months. Spermicidor also leads on iOS requirement (11.0 vs 17.0). On price, ads, in-app purchases and device support 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Spermicidor ships an update every 2 weeks, Parallel Earth every 3 months. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.
| Parameter | Spermicidor | Parallel Earth |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 weeks — better | Every 3 months |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 11.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 471 MB | 185 MB |
| Age rating | 17+ | 12+ |
| Developer | Casey Audelo | Sui Fai Law |
In-app purchases
Spermicidor
No in-app purchases
Parallel Earth
No in-app purchases
Questions
Is Spermicidor free?
Is Parallel Earth free?
Do Spermicidor or Parallel Earth have ads?
Which is updated more often, Spermicidor or Parallel Earth?
Other comparisons
