apex vs App, What's the Difference?

Which to use

“apex” is a noun and “App” is a name - they look or sound alike but fill different roles in a sentence.

#10,981
“apex” frequency rank: #1,445
“App” frequency rank: 12426
confusion score

Side-by-Side Comparison

Feature	apex	App
Definition	The highest or the greatest part of something, especially forming a point.	A surname from German.

Letter map: apex vs App

Shared letters muted; letters that set apex and App apart highlighted. Shared run: 2.

4 ch

apex

3 ch

App

Spelling & Dictionary Insight

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: apex is anoun and Appaname. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 12426, derived from the frequency rank of both members and their visual similarity.

apex is recorded at frequency rank #10,981, classified as anoun, pronounced /ˈeɪ.pɛks/. App is at rank #1,445, tagged as aname.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 12426, this pair ranks #481,641 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of apex vs App

Shared letters: ap. Private to "apex": ex. Private to "App": -.

"apex" · 4 letters · shape VCVC · "App" · 3 letters · shape VCC

Known mistypes of this pair

apex ← aepx · apexx · appex · apxe · paex

Frequently Asked Questions

Can "apex" and "App" be used interchangeably?

No - they are not even the same part of speech. "apex" is a noun and "App" a name, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "apex" or "App"?

"App" is the more common of the two: it sits at frequency rank #1,445 in our English list, against #10,981 for "apex". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

You've compared "apex" and "App". Here's where to go from here.

Full dictionary entry for "apex" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "App" - compare definitions side by side with the headword page. Word entry
This pair ranks #481,641 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
"apex" and "App" also get mixed up with nearby pairs, the highest-scored neighbour is "apex vs APL". Nearby pair
Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.