# Spermicidor vs Reactor Shift

The clearest difference is iOS requirement: Spermicidor at 11.0 against Reactor Shift's 17.0. On price, rating, review sentiment and ratings volume there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Spermicidor against 5.0 for Reactor Shift. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Spermicidor ships an update every 2 weeks, Reactor Shift fortnightly. The most recent releases landed on October 24, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Spermicidor | Reactor Shift |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/spermicidor/id1638227577/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/reactor-shift/id6785297214/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 2 weeks | **Fortnightly** |
| Monetization | Ad-supported | Ad-supported |
| Size | 471 MB | 249 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Casey Audelo](https://appshunter.io/developer/1618631863) | [Ariadna Campos](https://appshunter.io/developer/6775694544) |

## 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


### Reactor Shift

[App page](https://appshunter.io/ios/app/reactor-shift/id6785297214)

A neon arcade puzzle game where players aim energy orbs to break targets and reactor cores. Utilize strategic bounces, special power-ups, and unlockable orb types to clear challenging levels. It offers simple controls with deep strategic gameplay.

**Highlights:** Physics-based aiming with bounce path preview, Break targets and reactor cores, Utilize bombs, lasers, and freeze modules, Unlock new orb types and cannon styles, Collect energy cells and timed gifts, Replay levels for strategy improvement

**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 Reactor Shift free?

Reactor Shift is free to download, with no in-app purchases.

### Which has better reviews, Spermicidor or Reactor Shift?

Spermicidor and Reactor Shift are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do Spermicidor or Reactor Shift have ads?

Both Spermicidor and Reactor Shift show ads.

### Which is updated more often, Spermicidor or Reactor Shift?

Spermicidor ships an update every 2 weeks, and Reactor Shift fortnightly. Most recently, Spermicidor was updated on October 24, 2026 and Reactor Shift on October 12, 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.*