Best Erowid Apps & Games

249+ iOS apps & games curated and reviewed

4.2 avg rating
20 free apps & games
Updated September 2026

From beginner-friendly picks to power-user tools, our erowid list covers 249+ iPhone apps and games updated through September 2026. Compare ratings, prices, and screenshots in one place.

Compare top Erowid Apps & Games (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1KnowDrugs Drug CheckingKnowDrugs Drug CheckingFree4.7★ (38)NoYesSep 2026
2Crowd CityCrowd CityFree4.7★ (1M)YesYesSep 2026
3Crowd RunnersCrowd RunnersFree4.5★ (1.5K)YesYesAug 2026
4CrowdVoltCrowdVoltFree5.0★ (28)NoNoSep 2026
5Crowd city - Crowd WarCrowd city - Crowd WarFreeNoNoMay 2026
6Crowd vs CrowdCrowd vs CrowdFree4.7★ (29)YesNoAug 2026
7Crowd Evolution!Crowd Evolution!Free4.3★ (85K)YesYesSep 2026
8Crowd TrackCrowd TrackFree5.0★ (5)NoNoMay 2026

Top Picks for Erowid

Crowd City#2

Crowd City by Voodoo

The real crowd experience!
Strong Contender
🎮 Games
4.7😐(1M ratings)
FreeAdsIn-App Purchases
Crowd City screenshot 1
Crowd City screenshot 2
Crowd City screenshot 3
Crowd City screenshot 4

Lead a growing crowd through the city, absorbing more people to become the largest. Outmaneuver and crush opponents with your overwhelming numbers to dominate the town. Experience the thrill of real crowd dynamics in this engaging game.

What We Love

  • 🎨 Beautiful graphics
  • 🕹️ Satisfying gameplay
  • 🕰️ Addictive and fun
  • 👍 Great for killing time

Room to Improve

  • 🕰️ Games too short
  • 🧠 AI opponents not challenging
  • 🔍 Lack of real player interaction
  • 📺 Too many ads
  • 🐛 Frequent crashes and glitches
  • 🔋 Battery draining issues
Crowd Runners#3

Crowd Runners by Rocketship Studios LLP

collect and grow crowd
Worth Considering
🎮 Games
4.5😞(1.5K ratings)
FreeAdsIn-App Purchases
Crowd Runners screenshot 1
Crowd Runners screenshot 2
Crowd Runners screenshot 3
Crowd Runners screenshot 4
Crowd Runners screenshot 5
Crowd Runners screenshot 6

Guide your growing crowd through challenging obstacle courses. Swipe to collect more people and expand your group while skillfully avoiding collisions with walls and other individuals. The goal is to amass the largest crowd possible.

What We Love

  • 👍 Fun game
  • 🚀 Fast gameplay

Room to Improve

  • 🐛 App bugs and crashes
  • 🔋 Too many ads
  • 🤖 Unresponsive app

More Erowid apps to explore

FAQ about Erowid

What are the best erowid apps & games for iPhone?
KnowDrugs Drug Checking tops our erowid apps & games ranking as of September 2026, with a 4.7-star average from 38 App Store ratings, and it's free to download.
Yes — 20 of the top erowid apps & games we rank are free to download, including KnowDrugs Drug Checking and Crowd City.
KnowDrugs Drug Checking has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 249+ erowid apps & games on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
KnowDrugs helps users access drug testing results, pill warnings, and drug alerts. It provides educational information on over 200 drugs, along with advice on harm reduction and safer use practices to minimize potential risks associated with substance consumption.
The app offers profiles for over 200 drugs, including stimulants like MDMA and amphetamine, depressants such as alcohol and benzodiazepines, and psychedelics like 2C-B, LSD, and DMT. This information covers wanted and unwanted effects, duration, interactions, and risks.