Your App's Name Is Also a Search Ranking Factor
A website's name and its SEO are two separate concerns. An app's name isn't — it's a direct input into App Store and Google Play's own search ranking, alongside your description and keyword field. A name with a relevant word woven in naturally can measurably out-rank a purely invented one for that search term inside the store itself.
That's a real pull toward descriptive names, but it fights against brand recall the moment real competitors with clean, ownable names sit next to you in a results grid. The App Store gives you a separate keyword field, invisible to users, specifically so you don't have to make that tradeoff in the title itself — use it for keyword coverage and keep the visible name clean.
Naming Around App Store Character Limits
iOS App Store titles are capped at 30 characters, and Google Play expects similar brevity for a name to render cleanly across device sizes and search cards. A name that reads fine on a pitch deck can get awkwardly truncated the moment it's live in a store listing.
- Count your name at 30 characters before committing to it, including any tagline suffix you plan to add.
- Test how it looks on a small phone screen, not just a laptop mockup — icons and titles compete for very little horizontal space.
- Leave descriptive positioning to the subtitle field rather than stretching the name itself to explain the app.
Why This Tool Checks .app More Carefully
The .app extension runs through Google's own registry infrastructure, and its shared availability-check endpoint enforces unusually strict rate limits compared to most other extensions. This tool paces and retries .app checks specifically to work within that limit rather than firing requests as fast as possible — so a .app result here can take a little longer, but it's a real, current answer rather than one that got throttled mid-check.
One upside of that same registry: .app requires HTTPS on every registered domain by default, so there's no unencrypted version of your app's site that could accidentally go live — a small but genuine security default most other extensions don't force on you.
.com vs .app — And Why You Might Want Both
.app signals exactly what you are before anyone reads a word of copy, and it's a natural fit for a product that lives primarily inside app stores rather than as a full website. .com remains what most people still type from memory or assume by default if they hear about your app rather than find it through a store search.
Many app makers register both — .app for the product itself, .com as a marketing site or simple redirect. Checking both here up front tells you whether that dual strategy is actually available before you commit to a name.
Renaming an App Later Costs More Than You'd Expect
A website rebrand mostly costs you search rankings and backlinks you'll rebuild over time. An app rebrand costs more directly: your App Store listing's accumulated ratings, reviews, and keyword-ranking history are tied to that listing, and a name change can reset how the store's algorithm treats your search visibility, not just how it looks.
That makes the name-and-domain decision worth getting right before submission rather than after — checking real availability now is cheaper than a mid-flight rename once you've built up reviews you don't want to lose.