Revocal Reverse Your Voice. Share the Reveal.
LVL1Level & Progression
COINS0
10/250
0
0
Pick your phrase
Hear it backwards
Learn to say it
Film it and reveal
Step 1

Choose your
Target Phrase

LIBRARYYOUR OWN
Forward—

“Twinkle twinkle little star,
how I wonder what you are.”

—
Why no chart hits

The library is public-domain melodies and phrases. Sing your own song a cappella any time — we just never ship someone else's master.

Step 2 · Guide Track

Now say that.

REVERSED—
0.5×0.75×1.0×LOOP
Chunks—
ABC
Plays0 / 20
▲  BACKWARDS LYRICS COACH · PRO

Phoneme-level respelling needs on-device speech recognition — not built yet. The Coach tab shows the design.

Step 3 · Record & CaptureTake 1
🎧  Headphones on. On speaker the guide track bleeds into your mic and comes back forwards over your voice.
3
GUIDE0.0s
TAP TO
ENABLE
MAX
8 s
Step 4 · Process & Reverse

Reverse it.

0%
✓Reverse audio
✓Decode + reverse video
✓Score against the target
—
—
Measured
Audio reverse—
Video decode—
Frames—

Score is envelope DTW against your target — a crude v1, deliberately forgiving.

Step 5

Share the Reveal

0:00
0:00
Reversed
TIKTOK
REELS
SAVE
MORE
Revocal Pro

Send it clean.

✓Unlimited recording time
✓Export with no watermark
✓No Revocal card at the end of a video
Best value Annual PassBilled yearly  Year
Weekly PassBilled weekly  Week

Renews until cancelled. Cancel any time in Settings.

Backwards Lyrics Coach · designtwinkle little star
✕

Design only. Needs phoneme recognition on device — not built.

Forward · what you hear1.62s
Reversed · what you sing1.62s
STRESS INSERTED AUDIO ONLY WIDTH = DURATION
Phone view · designWhat the engine would do
✕
Forward phones
t w ɪ ŋ k ə l  l ɪ t ə l  s t ɑː r
Reversed, then repaired
r ɑː t s  l ə t ɪ l  l ə k ə ŋ ɪ w t
Repairs applied · 1
Schwa inserted before ŋ+ə

/kŋ/ can't begin an English syllable. Without the schwa the phrase is unpronounceable.

Unrepairable · 1
Reversed /t/ in NGYOOTaudio only

Burst before closure. English has no pre-aspirated stop, so no spelling can carry it.

Call & response · designListen, then repeat
✕
Syllable 5 · inserted
kuh
/kə/
schwa inserted
Match88%

Hold to speak

Attempt 6 · designWhere it went wrong
✕
78
Recognisable+14 on attempt 5
Per syllable
Fix this first

TIL is landing unstressed.

Reversed, the emphasis lands on the second half. Drill syllables 3 and 6 together.

Engine

Diagnostics

Build
caphint · 14 Sep 23:16
Support
Guide while filming Off to test bleed vs. none
Echo cancellation Off = cleaner reversal
Extract FPS 15
Max width 360 px
Max take 8 s
App icon

Two assets, not one

iOS · 92%
Android · 68%
Mono
Measured
iOS squircle clipping0 px
Clips from98%
Android circle, 68%0 px
At real size
60
48
29
Palette

The gradient
is the mechanic

#2DD4BFTeal — forward
#22D3EECyan
#A855F7Purple
#E879C6Magenta — reversed

Teal is forward, magenta is reversed, and the sweep between them is the reverse.

Type

Outfit — display

Manrope — interface text

JetBrains Mono — 44.1 kHz

YOUR LINE
Press the mic to record your song or speech
Reverse a line

processing

2
✓Look up sounds2 words
Reverse the phonemesŋɪ.nrɔːm
Synthesise the voice—

Dictionary hit on both words — no guessing needed.

—

10/250
0
0

AI Voice
TRAIN · VIDEO 1
0:00
◀◀
say this
3
Word by word
Order reverses too. The last word is spoken first — the line reverses as one stream, not word by word.
REVERSED

They get the clip backwards first.

Plan
Revocal ProFree›
Restore purchases›
Capture
Countdown
Language · Auto
Language—›
Add a language—›
Restrictions
Limited Recording (10s)
End Card
Watermark
Ads
Ad privacy choices›
Permissions
Privacy
Diagnostics›
About
Version1.0
Rate Revocal›
Contact support›
Privacy policy & Terms›
LVL1Level & Progression
COINS0
10/250
0
0
Today0/3+15
+5
LVL1Level & Progression
COINS0
A
VS
B
Players
Best of
A0★ 0ROUND1 of 5★ 0B0
:
Best try
Prepare It
Perform it backwards
Record a line, hear it backwards, say it backwards, hear yourself forwards
Today's QuestStreak 0
EnglishVery easy+2
0/10

Figure out what the backwards audio says and get rewarded.

Challenge a friendCan they say it backwards?+50 when a new friend answers

Record a video or audio clip. Your friends hear it backwards and have to say it back.

Refer a friendGet +30 for each friend+30 when they join

Send your invite link to friends by text or chat.

#1You
3
!
TTS LAB✕