slaytheaccent
Edition 001 / Apr 2026
EN-US · EN-GB / 023 Dialects
2026 · 04 · 15№ 001 — Fascicule I

Pronunciation,
measured.

A phoneme-level coach for learners of English. Speak for three seconds. Read the map.

IPA · International Phonetic Alphabet
Fig. 01 · Hero plateSet on 12-col / 8px baseline
Section 02 — Specification§ II

The numbers,
flat.

No adjectives. Every value is a measurement. Read the column, pick a row.

coverage44 / 44Phonemes
dialects23en-US · en-GB · …
accuracy0.96Median F1
latency540Milliseconds
formatWeb · iOS · AndroidSurfaces
costFree · BetaNo card
Section 03 — MethodThree movements
01
Record

Speak a phrase for three seconds.

Your phone microphone. No card. No signup.

02
Score

We compare every phoneme to a native reference.

Three acoustic models vote. You get one number per sound.

03
Drill

Repeat the sounds you missed.

Five or six phonemes usually. The rest are already fine.

Section 04 — CoverageOne figure
44

Phonemes in English.
We score every one.

23 dialects. 1 method.

Section 05 — FeaturesFour, flat
[01]

Phoneme-level feedback

One number per sound. Not one number per session.

Core
[02]

Dialect aware

Pick en-US or en-GB. We measure against that reference, not a mix.

23 Dialects
[03]

No streaks. No leagues.

No confetti. No notifications. Open it when you want.

Quiet
[04]

Built by linguists

Phoneticians set the reference. Engineers wired the model.

Source
Section 06 — Quotation§
I had ten interviews this year. Nobody asked where I was from.
— A., Lagos → London · Six-month learner