Spermicidor vs Reactor Shift
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
Reactor Shift
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.
- 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
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FREE TO PLAY! Shoot, Shoot, Shoot! Reactor Shift is a fast, satisfying reactor-battle game where every shot can trigger a massive chain reaction. Aim your energy volley, break through charged blocks, and watch the arena erupt as balls ricochet through targets, power nodes, and explosive cores. Build longer combos, earn tactical rewards, and use your upgrades at the perfect moment to keep the reaction alive. Features: • Fire multi-ball volleys and create huge chain reactions • Face Leviathan boss encounters every 5 levels • Target boss cores while they move, deploy shields, and call in reinforcements • Unlock powerful tools including Orb, Freeze, Laser, Bomb, Reset, Aim, and Rebound • Activate Rebound Bands to send falling balls back into the arena for extended combos • Earn score multipliers and extra tactical rewards for high-impact volleys • Revive after a loss to gain extra shots and push the reactor field back • Progress from quick early stages to demanding late-game reactor battles • Enjoy neon sci-fi visuals, impact effects, particle bursts, and reactive sound Every level is a new puzzle. Find the angle, choose the right power, and turn one precise shot into a reactor-breaking cascade. Can you survive the shift?
Screenshots
Verdict
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.
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.
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.
| Parameter | Spermicidor | Reactor Shift |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (2 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 1 | 2 — better |
| Update frequency | Every 2 weeks | Fortnightly — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | Ad-supported |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 11.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 471 MB | 249 MB |
| Age rating | 17+ | 4+ |
| Developer | Casey Audelo | Ariadna Campos |
Customer experience
Spermicidor
Reactor Shift
In-app purchases
Spermicidor
No in-app purchases
Reactor Shift
No in-app purchases
Questions
Is Spermicidor free?
Is Reactor Shift free?
Which has better reviews, Spermicidor or Reactor Shift?
Do Spermicidor or Reactor Shift have ads?
Which is updated more often, Spermicidor or Reactor Shift?
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