Best 404 Not Found Apps

6+ iOS apps curated and reviewed

5.0 avg rating

5 free apps

Updated May 2026

Every iPhone needs a few good 404 not found apps. We benchmark 6+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top 404 Not Found Apps (May 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	AiRise	Free	—	No	No	May 2026
2	PistePal: ski maps & tracking	Free	5.0★ (4)	No	Yes	Sep 2026
3	HTTP Journal	Free	5.0★ (2)	No	No	May 2026
4	URL Components	Free	5.0★ (1)	No	Yes	Aug 2026
5	URL Helper	$4.99	—	No	No	May 2026
6	404の海 - 404に届く手紙	Free	—	—	No	Jul 2026

Top Picks for 404 Not Found

AiRise by 404 Not Found

Your Smart Fitness Companion

Editor's Choice

💪 Health & Fitness

0.0(0 ratings)

Free

PistePal: ski maps & tracking by 404 Company Not Found LLC

Location sharing, nav & stats

Strong Contender

⚽ Sports

5.0(4 ratings)

FreeIn-App Purchases

PistePal: ski maps & tracking screenshot 1

PistePal: ski maps & tracking screenshot 2

PistePal: ski maps & tracking screenshot 3

PistePal: ski maps & tracking screenshot 4

PistePal: ski maps & tracking screenshot 5

PistePal: ski maps & tracking screenshot 6

Navigate and track your ski adventures with detailed trail maps and GPS. Share your location with friends, discover amenities, and replay your runs. Explore over 6,000 resorts worldwide with offline map support.

HTTP Journal by Zoe Cutler

Express Urself w/ 404s ;)

Worth Considering

📊 Productivity

5.0(2 ratings)

Free

Express your feelings using HTTP response codes. Track your moods, add comments, and visualize trends over time. A unique way to journal your emotions.

More 404 Not Found apps to explore

URL Components

Decode URLs Quickly!

Free

Instantly decode and inspect URLs, parsing components like scheme, host, path, and query parameters. Generate code snippets in Swift, curl, and JavaScript for debugging APIs and web links. Ideal for developers working with web requests and data.

Decode and inspect URLsParse URL componentsGenerate Swift code

FAQ about 404 Not Found

Are there free 404 not found apps for iPhone?

Yes — 5 of the top 404 not found apps we rank are free to download, including AiRise and PistePal: ski maps & tracking.

Does AiRise have ads or in-app purchases?

AiRise has no ads and has no in-app purchases, according to its App Store listing as of May 2026.

How many 404 not found apps are on the App Store?

We track 6+ 404 not found apps on the iOS App Store as of May 2026, ranked by rating, recency, and analysis of real user reviews.