Spacecell vs Alien Evolution
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Spacecell
Embark on a first-person space exploration journey across six unique levels. Collect energy to fuel your ship, navigate through asteroid fields, and manage your ship's armor to avoid starting over. Experience a visually stunning and atmospheric space adventure.
- First-person space exploration
- Six distinct levels
- Collect energy for fuel
- Maneuver and accelerate
- Avoid asteroid collisions
- Beautiful graphics
- Atmospheric game world
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Space Journey is a first-person space simulator. You will explore 6 levels: Asteroid Belt, Supernova, Orion, Infinite Space, Nebula and Dark Void. Explore the infinite space and collect red gas clouds to accumulate them into energy. Each gas cloud gives you 5% of your fuel. You can accelerate and maneuver, each acceleration takes 5% of your fuel, maneuvers take 1%-5% depending on your speed. If you run out of fuel, the ship will start to decelerate slowly. Avoid collisions with drifting asteroids, as this will damage ship's armour. If you run out of armour, the level will start from the beginning and all collected gas clouds will be lost. – Beautiful Graphic – Atmospheric Ambient and Game World Controls: Left Trigger – Maneuver Tap – Accelerate
Alien Evolution
Control a small alien organism, devour cells and smaller creatures to grow and evolve into a powerful kaiju monster. Unleash rage mode to dominate the neon space world and climb the food chain.
- Devour cells and monsters to evolve
- Mutate into giant titan kaiju forms
- Unleash devastating RAGE mode
- Explore a neon alien universe
- Easy one-hand io controls
- Grow and dominate the food chain
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Alien Evolution: Kaiju Monster is a neon io-style action game where you control a tiny alien organism and devour everything in your path to evolve into a galaxy-crushing kaiju monster. Start as a small mutant creature drifting through deep space. Hunt glowing cells, swallow smaller monsters, and absorb their DNA to grow bigger and stronger. The more you eat, the faster you evolve — from a fragile alien spore into a massive, unstoppable titan beast that dominates the universe. Every cell you devour fills your evolution bar and charges your RAGE mode. Trigger RAGE to smash through swarms of alien creatures, blast enemy monsters, and feed your endless hunger. Climb the food chain, hunt bigger prey, and become the apex predator of the galaxy. GAME FEATURES ▶ EAT & EVOLVE — Devour cells and monsters to grow your alien beast and unlock powerful new evolution forms ▶ KAIJU MONSTER FORMS — Mutate from a tiny organism into a giant titan kaiju with stunning neon designs ▶ RAGE MODE — Unleash devastating power and rampage through enemy swarms ▶ NEON SPACE WORLD — Explore a glowing alien universe packed with strange creatures and cosmic monsters ▶ EASY io CONTROLS — Simple one-hand gameplay with a deep evolution system that's hard to put down ▶ GROW & DOMINATE — Collect orbs, power up your beast, and rise to the top of the food chain Whether you love io games, monster-eating action, or kaiju rampage adventures, Alien Evolution: Kaiju Monster delivers addictive eat-and-grow gameplay you can enjoy anytime, anywhere. Download now, begin your alien evolution, and grow into the most terrifying kaiju monster in the galaxy!
Screenshots
Verdict
The clearest difference is review sentiment: Alien Evolution at 100% against Spacecell's 0%. Alien Evolution also leads on rating (4.7 vs 3.0) and update cadence (monthly vs every 13 months). Spacecell's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price 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. Alien Evolution sells 1 one-off in-app purchase. Spacecell asks for nothing beyond the download.
Alien Evolution holds the better App Store score, 4.7 against 3.0. Both are backed by a comparable volume of ratings — 2 and 7 respectively. Written reviews point the same way: 0% of Spacecell's written reviews are positive against 100% of Alien Evolution's.
Spacecell ships an update every 13 months, Alien Evolution monthly. The most recent releases landed on October 5, 2026 and October 1, 2026 respectively.
| Parameter | Spacecell | Alien Evolution |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) | 4.7 (7 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 2 | 7 — better |
| Update frequency | Every 13 months | Monthly — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 161 MB | 117 MB |
| Age rating | 4+ | 12+ |
| Developer | Dennis Esie | Kittipong Rukpanitmanee |
Customer experience
Spacecell
Alien Evolution
In-app purchases
Spacecell
No in-app purchases
Alien Evolution
- VIP Pass$2.99
Questions
Is Spacecell free?
Is Alien Evolution free?
Which has better reviews, Spacecell or Alien Evolution?
Do Spacecell or Alien Evolution have ads?
Which is updated more often, Spacecell or Alien Evolution?
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