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Best Co404 Apps & Games

6+ iOS apps & games curated and reviewed

4.9 avg rating
5 free apps & games
Updated May 2026

From beginner-friendly picks to power-user tools, our co404 list covers 6+ iPhone apps and games updated through May 2026. Compare ratings, prices, and screenshots in one place.

Compare top Co404 Apps & Games (May 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Co404Co404Free—NoNoMay 2026
2i404i404Free5.0★ (1)NoNoMay 2026
3Offline Games - No Wifi GamesOffline Games - No Wifi GamesFree4.8★ (346K)YesYesJul 2026
4Denver CO2 Risk CalculatorDenver CO2 Risk CalculatorFree—NoNoMay 2026
5JingleCatJingleCatFree—YesNoMay 2026
6HVAC Superheat Subcooling CalcHVAC Superheat Subcooling Calc$4.99—NoNoJul 2026

Top Picks for Co404

i404#2

i404 by L. KEELEY CONSTRUCTION CO.

Action Planning
Strong Contender
💼 Business
5.0(1 ratings)
Free
i404 screenshot 1

This app helps users achieve their goals with a structured approach to action planning. It provides a framework for purposeful execution and results-driven progress.

Offline Games - No Wifi Games#3

Offline Games - No Wifi Games by Moreno Maio

Classic brain train minigames
Worth Considering
🎮 Games
4.8😊(346K ratings)
FreeAdsIn-App Purchases
#29in Games
Offline Games - No Wifi Games screenshot 1
Offline Games - No Wifi Games screenshot 2
Offline Games - No Wifi Games screenshot 3
Offline Games - No Wifi Games screenshot 4
Offline Games - No Wifi Games screenshot 5
Offline Games - No Wifi Games screenshot 6

A diverse collection of over 20 classic and modern minigames designed for all ages. Enjoy brain-training puzzles, word games, strategy challenges, and multiplayer options without needing an internet connection. Perfect for keeping your mind sharp and entertained anytime, anywhere.

What We Love

  • 🚀 Offline play
  • 👍 Wide variety of games
  • 💡 Adjustable difficulty levels
  • 🚀 Smooth performance

Room to Improve

  • 🐛 Ads still present even after paying to remove them
  • 🐛 Certain games have bugs or glitches
  • 👎 Lack of instructions/tutorials for some games

More Co404 apps to explore

4
Denver CO2 Risk Calculator
Denver CO2 Risk Calculator
Denver CO2 Risk Calculator
by Logico2 International AB
Free
🔧 Utilities
(0)
5
JingleCat
JingleCat
JingleCat
Cat for Rewards
Free
🌟 Lifestyle
(0)
6
HVAC Superheat Subcooling Calc
HVAC Superheat Subcooling Calc
HVAC Superheat Subcooling Calc
Refrigerant Charging PT Chart
$4.99
🔧 Utilities
(0)

FAQ about Co404

Are there free co404 apps & games for iPhone?
Yes — 5 of the top co404 apps & games we rank are free to download, including Co404 and i404.
Co404 has no ads and has no in-app purchases, according to its App Store listing as of May 2026.
We track 6+ co404 apps & games on the iOS App Store as of May 2026, ranked by rating, recency, and analysis of real user reviews.