Best Error404 Apps & Games

215+ iOS apps & games curated and reviewed

4.6 avg rating
20 free apps & games
Updated May 2026

Whether you're new to error404 or looking for an upgrade, our curated collection of 215+ iOS apps and games has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Top Picks for Error404

ERROR143#1

ERROR143 by Jenny Pham

Editor's Choice
๐ŸŽฎ Games
4.7๐Ÿ˜Š(4.5K ratings)
Free
ERROR143 screenshot 1
ERROR143 screenshot 2
ERROR143 screenshot 3
ERROR143 screenshot 4

Engage in a competitive hacking game where rivals challenge each other through digital exchanges. Experience a narrative of escalating digital duels and unexpected plot twists as you prove your hacking prowess.

What We Love

  • ๐Ÿ‘ Engaging gameplay
  • ๐ŸŽจ Beautiful art style
  • ๐Ÿ”Š Excellent voice acting
  • ๐Ÿค– Unique hacking mechanics

Room to Improve

  • ๐Ÿ•ฐ๏ธ Short story length
  • ๐Ÿค” Rushed romance development
  • ๐Ÿ› Occasional bugs and glitches
Spot the Differences#3

Spot the Differences by M2H B.V.

Worth Considering
๐ŸŽฎ Games
4.0๐Ÿ˜Š(495 ratings)
FreeIn-App Purchases
Spot the Differences screenshot 1
Spot the Differences screenshot 2
Spot the Differences screenshot 3

Engage your observation skills by finding subtle variations between pairs of stunning images. This game offers hours of entertainment with diverse categories and a competitive ranking system for players of all ages.

What We Love

  • ๐Ÿง  Brain-stimulating game
  • ๐Ÿ‘ Fun and entertaining
  • โฑ๏ธ Helps pass time
  • ๐Ÿง  Keeps mind sharp

Room to Improve

  • ๐Ÿ› Compatibility issues on certain devices
  • ๐Ÿ’ฐ Ads can be intrusive
  • ๐Ÿ•น๏ธ Lack of pause/save functionality

More Error404 apps to explore

4
CoinSnap: Coin Identifier
CoinSnap: Coin Identifier
CoinSnap: Coin Identifier
Value Guide & Collection
Free

Identify coins instantly with AI-powered recognition and a vast database. Explore detailed information, check values, and manage your collection. Perfect for hobbyists and collectors seeking to understand their numismatic treasures.

AI-powered coin recognitionGlobal coin databaseDetailed coin information
๐Ÿ” Reference
(287K)
freemium
5
Percent Error Calculator
Percent Error Calculator
Percent Error Calculator
Part of CalCon Calculator
Free
๐Ÿ”ง Utilities
(0)
6
FileMaker Reference
FileMaker Reference
FileMaker Reference
Debugging Guide for Developers
Free
๐Ÿ› ๏ธ Developer Tools
(0)
7
LCEDICT - Common Errors
LCEDICT - Common Errors
LCEDICT - Common Errors
Longman dictionary
Free
๐Ÿ“š Education
(1)
8
quantum error correction
quantum error correction
quantum error correction
by Sungjun Kim
Free
๐Ÿ“š Education
(0)
9
quantum error correction 2
quantum error correction 2
quantum error correction 2
by Sungjun Kim
Free
๐Ÿ“š Education
(0)
10
eero wifi system
eero wifi system
eero wifi system
by eero LLC
Free

Easily set up and manage your home WiFi system. Enjoy fast, reliable internet throughout your home with automatic updates for improved performance and security. Manage devices, share your network securely, and control internet access for screen time.

Easy setup in minutesAutomatic software updatesRemote network management
๐ŸŒŸ Lifestyle
(190K)
free with in-app purchases
11
MeChat - Interactive Stories
MeChat - Interactive Stories
MeChat - Interactive Stories
Make Your Choice
Free

Embark on interactive adventures where your decisions shape the narrative and character relationships. Explore diverse stories, from drama to sci-fi, and uncover hidden secrets. Engage with characters through dialogue, emojis, and even voice messages.

Interactive story choicesMultiple character archetypesBranching narrative paths
๐ŸŽฎ Games
(97K)
free with in-app purchases
12
Chess Opening Blunders
Chess Opening Blunders
Chess Opening Blunders
Chess Training
Free

Learn chess by studying common opening mistakes and traps. This app offers interactive lessons with over 1,250 exercises across more than 40 openings, acting as a personal coach to guide you through challenges.

Learn opening mistakes and trapsOver 1,250 instructive exercisesCovers more than 40 chess openings
๐ŸŽฎ Games
(241)
free with in-app purchases
13
Mahjong Error Boom
Mahjong Error Boom
Mahjong Error Boom
by Najma Yaqi
Free
๐ŸŽฎ Games
(0)
14
4 Pics: Find the odd word II
4 Pics: Find the odd word II
4 Pics: Find the odd word II
by Maribou Inc.
Free

This brain teaser challenges you to identify the outlier image among four. It's a fun word and quiz game with multiple languages and levels. Earn coins to help solve tricky puzzles.

Identify the odd word from four pictures13 levels with 260 puzzlesSkip and return to puzzles
๐ŸŽฎ Games
(85)
free with in-app purchases
15
Past Mistakes - Science Fiction dystopian Book app
Past Mistakes - Science Fiction dystopian Book app
Past Mistakes - Science Fiction dystopian Book app
Book with multiple endings.
Free

Experience a dystopian science fiction detective story where your choices shape the narrative and lead to multiple endings. Become the main character and uncover the secrets of a totalitarian future.

Interactive book with multiple endingsDystopian science fiction detective storyReader decisions change the story
๐ŸŽฎ Games
(68)
free
16
Common Error
Common Error
Common Error
by Le Thi Quynh Ny
Free
๐Ÿ“š Education
(0)
17
HORSCH Error Codes
HORSCH Error Codes
HORSCH Error Codes
Know What To Do
Free

This app helps agricultural professionals optimize machine settings and troubleshoot issues. It provides tools for selecting rotors, nozzles, and metering discs, and offers a quick lookup for machine error codes.

Rotor selection toolNozzle calculator and assistantMetering disc selection
๐Ÿ“Š Productivity
(2)
free
18
Obey Me! NB
Obey Me! NB
Obey Me! NB
โ€œShall we date?โ€ Series
Free

Embark on an otome adventure in the magical Devildom. Interact with seven unique demon brothers, make choices that shape the story, and engage in rhythm game quests. Build relationships and find your way back home.

Interactive story with choicesRhythm game questsSocial media interaction with characters
๐ŸŽฎ Games
(2.4K)
free with in-app purchases
19
Tile & Error: Words and Chaos
Tile & Error: Words and Chaos
Tile & Error: Words and Chaos
Build words, play with friends
Free

A word-building board game with a chaotic twist. Every game features a unique board with randomized bonus spaces and unpredictable Rainbow Space effects that can alter scores or tile availability. Play against AI or friends.

Randomized game boardsUnique bonus spacesRainbow Space effects
๐ŸŽฎ Games
(14)
free with in-app purchases
20
Spot The Differences โ€ข Classic
Spot The Differences โ€ข Classic
Spot The Differences โ€ข Classic
Traveling!
Free

Explore the world through a fun game of spotting differences. Kids can learn about countries, flags, and cultures while virtually traveling to new destinations. This app offers an engaging way to discover global landscapes and traditions.

Spot differences in imagesCollect country flagsLearn country names and flags
๐ŸŽฎ Games
(18)
free with in-app purchases

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