Comparison

Primary Particle vs Picker Master

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Particle stabilization gameplay
  • Color-matching mechanic
  • Increasing difficulty
  • Score-based progression
  • Experiment simulation
Features
Read full description

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!

About

Picker Master

Features
Read full description

Master your precision with the ultimate target challenge! PICKER MASTER tests your accuracy and timing as you swipe to hit exact numbers on a spinning wheel. Can you achieve the perfect hit? TWO EXCITING GAME MODES: MAIN GAME - Complete 10 challenging rounds and compete for the highest score TRAINING MODE - Practice with any target number to perfect your skills FEATURES: Stunning visual effects and satisfying feedback Game Center leaderboards and achievements ULTIMATE CHALLENGE: Be the first to reach 1000 points! Progressive difficulty that keeps you engaged Smooth, responsive wheel picker controls Track your best scores and perfect hits HOW TO PLAY: Swipe the number wheel to target specific numbers. The closer you get, the more points you score. Perfect hits earn maximum points and trigger spectacular star effects! MASTER YOUR SKILLS: Start with training mode to practice hitting any number, then challenge yourself in the main game. Every round tests your precision - can you achieve a perfect score? REAL-WORLD BENEFITS: Master PICKER MASTER and become lightning-fast with iPhone picker controls! Perfect your skills for setting alarms, timers, and any app that uses wheel pickers. Turn everyday iPhone interactions into second nature! Download PICKER MASTER and prove your precision skills today!

Screenshots

Primary Particle4 screens
Picker Master4 screens

Verdict

The call

The clearest difference is in-app purchases: Primary Particle at none against Picker Master's 1. Primary Particle also leads on device support (3 vs 1) and iOS requirement (12.0 vs 18.2). Picker Master's advantage is update cadence (weekly vs every 8 months). On price and ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Picker Master sells 1 one-off in-app purchase. Primary Particle asks for nothing beyond the download.

UpkeepUpdate frequency

Primary Particle ships an update every 8 months, Picker Master weekly. The most recent releases landed on September 20, 2026 and September 16, 2026 respectively.

Scorecard4 real differences · 5 level
Primary Particle versus Picker Master: the parameters behind the verdict, then further details
ParameterPrimary ParticlePicker Master
PriceFreeFree
Rating5.0 (3 ratings) — better—
Number of ratings3 — better—
Update frequencyEvery 8 monthsWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS12.0 — better18.2
Further details — not scored
Size47 MB6 MB
Age rating4+4+
DeveloperStefan Schmittmartin zly

In-app purchases

None

Primary Particle

No in-app purchases

1 purchases

Picker Master

One-time1
  • Unlock Full Game & Training$1.99

Questions

Is Primary Particle free?
Primary Particle is free to download, with no in-app purchases.
Is Picker Master free?
Picker Master is free to download, with in-app purchases available.
Do Primary Particle or Picker Master have ads?
Neither Primary Particle nor Picker Master shows ads.
Which is updated more often, Primary Particle or Picker Master?
Primary Particle ships an update every 8 months, and Picker Master weekly. Most recently, Primary Particle was updated on September 20, 2026 and Picker Master on September 16, 2026.

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