Primary Particle vs Atomic Fusion Rush
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Primary Particle
A fun puzzle game where players help a scientist stabilize particles in an experiment. Catch particles of the correct color to keep the experiment going and increase your score. Beware of tricky particles that appear as your skill level rises.
- Particle stabilization gameplay
- Color-matching mechanic
- Increasing difficulty
- Score-based progression
- Experiment simulation
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Art & Game Design by Ben Jelter Programming by Stefan Schmitt A fun puzzle game for everybody! Help Dr. Hadron with his particle experiment. Keep the particles stable for as long as possible so Dr. Hadron can study them. Don't let the particles escape or the experiment will end. Catch the particles... but make sure they're the right color! As your skill increases, so does your score. Watch out for tricky particles as your level increases. The particle collider cost $9 Billion. Don't waste it!
Atomic Fusion Rush
Fuse atoms in a 2048-style puzzle game to discover elements and compounds. Progress through campaign levels, complete daily quests, and unlock power-ups. Become an alchemist and complete the periodic table.
- Fuse matching atoms
- Discover compounds and molecules
- 100 campaign levels
- Daily quests and streak rewards
- Unlockable power-ups
- Collection tracking
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Atomic Fusion Rush is a science-inspired merge puzzle where you fuse atoms in 2048-style, discover compounds as you go, and discover the periodic table. HOW IT WORKS • Merge matching atoms to create higher elements • Complete campaign levels with unique goals • Discover compounds and composed molecules to expand your collection and get awarded bonus points • Use power-ups to recover from tough board states. Power-ups unlocks as you progress and can be upgraded • Earn coins from gameplay and optional rewarded ads GAME MODES • Campaign progression across 100 levels • Special levels to unlock powerups, bosses and compound forming • Daily quests and streak rewards - with Leaderboards that reset every day • Collection tracking for elements and compounds • Profile milestones and achievement goals OPTIONAL PURCHASES • Coin packs for faster progression • One-time Pro upgrade to remove forced interstitial ads and daily bonus coins • Purchases are managed through Apple’s in-app purchase system Built for short sessions and long-term progression, Atomic Fusion Rush blends strategy, planning, and satisfying chain reactions. Become the alchemist you always wanted to be by completing the Periodic Table and find all the Secret Molecules.
Screenshots
Verdict
The clearest difference is in-app purchases: Primary Particle at none against Atomic Fusion Rush's 5. Primary Particle also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.0). Atomic Fusion Rush's advantage is update cadence (every 5 days vs every 8 months). On price, rating, ratings volume 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. Atomic Fusion Rush sells 5 one-off in-app purchases. Primary Particle asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for Primary Particle against 5.0 for Atomic Fusion Rush. Both are backed by a comparable volume of ratings — 3 and 5 respectively.
Primary Particle ships an update every 8 months, Atomic Fusion Rush every 5 days. The most recent releases landed on October 24, 2026 and October 16, 2026 respectively.
| Parameter | Primary Particle | Atomic Fusion Rush |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) | 5.0 (5 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 3 | 5 — better |
| Update frequency | Every 8 months | Every 5 days — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 47 MB | 61 MB |
| Age rating | 4+ | 4+ |
| Developer | Stefan Schmitt | Erik Abrahamsson |
Customer experience
Primary Particle
Atomic Fusion Rush
In-app purchases
Primary Particle
No in-app purchases
Atomic Fusion Rush
- 5 coins$0.99
- 20 coins$2.99
- Pro Lab Pack - Lifetime$4.99
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- 50 coins$5.99
- 100 coins$9.99
Questions
Is Primary Particle free?
Is Atomic Fusion Rush free?
Which has better reviews, Primary Particle or Atomic Fusion Rush?
Do Primary Particle or Atomic Fusion Rush have ads?
Which is updated more often, Primary Particle or Atomic Fusion Rush?
Other comparisons
