App Store
Version 1.0 · 2026-10-19
No release notes were provided for this version.
Too little checked to say Store information only. We haven’t analysed this app or read its reviews yet.
Not yet tested.
The store currently lists version 1.0, updated 2026-10-19.






Store screenshots supplied by the developer.
Letternaut brings classic hangman to Apple Watch with a space-themed twist. Guess hidden words and save your spaceman before it floats away.
HOW TO PLAY
Rotate the Digital Crown or swipe the letter carousel to choose a letter, then tap to guess. A category hint helps narrow the possibilities. Each wrong guess assembles your spaceman piece by piece. Reveal the full word before your guesses run out.
THREE DIFFICULTY LEVELS
* Easy: 8 wrong guesses, 4–5 letter words, common vocabulary
* Medium: 7 wrong guesses, 5–6 letter words, familiar vocabulary
* Hard: 6 wrong guesses, 6-letter words, mixed vocabulary
FEATURES
* Designed specifically for Apple Watch
* Play directly on Apple Watch.…
From the developer’s store description.
For developers and the curious
The evidence, sources, measurements and versions behind every label above.
No review analysis published for this app.
“Not assessed” means we could not measure it. It is never a zero and never a pass.
No package has been scanned for this app, so nothing is published about what it ships. That is an absence of evidence, not a finding.
Supporting measurements: not a complete list of possible harms or positives. Measurement vocabulary 1.4 · how these are measured
Not yet tested. No analysis has been run for this app, so there is no version or date to report.
Each store’s release notes, as the developer wrote them. They are the developer’s words, not ours.
No release notes were provided for this version.
letternautWhat the stores publish. Store ratings are the stores’ numbers, not Appworthy’s, and are never averaged across stores.
No itemized purchase list is available for this listing.
Not yet tested. No analysis has been published for this app, so there is no method to describe for it yet. A missing label is not a clean bill of health: it means nothing has been read, not that nothing is wrong.
Write to [email protected], or use the form. Name the finding, the app version and the evidence that needs correcting. Factual corrections are free and never depend on buying anything.