# Spermicidor vs Parallel Earth

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.

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.

## The numbers

| Metric | Spermicidor | Parallel Earth |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/spermicidor/id1638227577/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 2 weeks** | Every 3 months |
| Monetization | Ad-supported | — |
| Size | 471 MB | 185 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 12+ |
| Developer | [Casey Audelo](https://appshunter.io/developer/1618631863) | [Sui Fai Law](https://appshunter.io/developer/1889201616) |

## What reviewers say

### Spermicidor

[App page](https://appshunter.io/ios/app/spermicidor/id1638227577)

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.

**Highlights:** Retro shooter gameplay, Casual runner mechanics, Enemy destruction, Power-up collection, Touchscreen controls

**Features:** macOS Compatibility

**In-app purchases:** none


### Parallel Earth

[App page](https://appshunter.io/ios/app/parallel-earth/id6763534884)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Spermicidor free?

Spermicidor 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 Spermicidor or Parallel Earth have ads?

Both Spermicidor and Parallel Earth show ads.

### Which is updated more often, Spermicidor or Parallel Earth?

Spermicidor ships an update every 2 weeks, and Parallel Earth every 3 months. Most recently, Spermicidor was updated on October 24, 2026 and Parallel Earth on October 19, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*