Comparison

Roboto AUv3 Singing Synth vs Glyph Cube

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Roboto AUv3 Singing Synth

Create synthesized singing voices by drawing melodies and typing lyrics. Offers ten distinct voice presets, extensive vocal parameter control, and automation curves. Export your creations as WAV audio or MIDI files.

Highlights
  • Piano roll melody editor
  • Lyric input per note
  • Ten voice presets
  • Vocal parameter automation
  • WAV audio export
  • MIDI file export
  • AUv3 and standalone support
Features
Read full description

Write a melody, type a word on each note, and Roboto sings it. A synthesized singing voice with ten presets, automation curves, WAV and MIDI export. AUv3 and standalone. Roboto is a singing voice synthesizer. Write a melody in the piano roll, type a word on each note, and Roboto sings it. No samples are used: the voice comes from a glottal pulse source, five formant resonators and shaped noise for the consonants. An animated robot face follows the voice with its LED eyes and mouth, next to a live waveform and the lyrics lit in time. PIANO ROLL AND LYRICS • Draw the melody in the piano roll and type a word on each note • A note named + sings the next syllable of the previous word • English words are turned into phonemes by built-in rules and a word list • Phonemes can be typed directly, for example S-T-R-IY-T • Select notes with a box, then move, duplicate, cut, copy and paste them • A note named - keeps singing the vowel before it at a new pitch • 23 built-in songs to try, in every language TEXT TAB • The whole song as text, one entry per note in the form word:note:beats • Type a song from scratch or paste one in LANGUAGES • Sings in English, German, French, Spanish, Japanese, Russian, Finnish, Swedish, Italian and Portuguese • Spelling rules for each language and vowels measured from native speakers VOICE • Ten voice presets: Default, Robot, Soprano, Bass, Child, Whisper, Choir, Opera, Giant, Alien • Transpose and tempo, with optional sync to the host • Glide: how fast the pitch slides between legato notes • Vibrato depth and rate, jitter and breath • Consonant level and length • Formant shift (vocal tract size) and formant bandwidth • Reverb and double track • Sliders show their value on the thumb, and above your finger while you drag AUTOMATION • Curves along the song for volume, pitch bend, vibrato depth, breath, formant shift and chorus • Curve points snap to the grid and are sized for touch • All voice parameters can be automated by the host MIDI • Keys from C1 upwards sing from the matching bar for as long as they are held • Keys on MIDI channel 2 change the sung pitch live without changing the words, sliding between keys at the Glide speed • Controllers drive volume, vibrato, breath, formant shift and chorus • Bluetooth MIDI in the standalone app EXPORT • WAV audio • MIDI file with notes, lyrics, tempo and the curves as controllers AUv3 + STANDALONE Run Roboto as a standalone app on iPhone and iPad, or as an AUv3 instrument inside any AUv3 host.

About

Glyph Cube

This pocket beat machine, shaped like a metallic cube, offers a unique way to create music. Spin it to access different instruments like a drum sequencer, melody roll, and sample slicer. Tap glyphs to build patterns and record your jams.

Highlights
  • Drum sequencer with 8 glyphs
  • Melody roll with scales
  • Sample slicer for playable pads
  • Record jams with mic
  • No account, ads, or tracking
Features
Read full description

Glyph Cube is a pocket beat machine shaped like a metallic cube. Each face is an instrument: a drum sequencer, a melody roll, and a sample slicer. Spin it to switch, tap glyphs to build a pattern, and flick it hard to watch your beat spiral across the faces. - Eight glowing drum glyphs: kick, snare, clap, hat, open hat, rim, tom, bell - Melody roll with scales and octave controls - Slice any sample into playable pads - Record your jams with the mic - No account, no ads, no tracking Spin the cube. Find the groove.

Screenshots

Roboto AUv3 Singing Synth1 screens
Glyph Cube4 screens

Verdict

The call

The clearest difference is update cadence: Glyph Cube at every 3 days against Roboto AUv3 Singing Synth's every 9 days. Roboto AUv3 Singing Synth's advantage is iOS requirement (15.0 vs 17.0). On price, rating, ratings volume and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Roboto AUv3 Singing Synth against 5.0 for Glyph Cube. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

UpkeepUpdate frequency

Roboto AUv3 Singing Synth ships an update every 9 days, Glyph Cube every 3 days. Both last shipped on November 6, 2026.

Scorecard2 real differences · 8 level
Roboto AUv3 Singing Synth versus Glyph Cube: the parameters behind the verdict, then further details
ParameterRoboto AUv3 Singing SynthGlyph Cube
PriceFreeFree
Rating5.0 (3 ratings)5.0 (2 ratings)
Positive reviews33.3% of reviews—
Number of ratings3 — better2
Update frequencyEvery 9 daysEvery 3 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size18 MB36 MB
Age rating4+4+
DeveloperDiscoDSP LLCtodd cunningham

Customer experience

Roboto AUv3 Singing Synth

Written reviews3 reviews
Positive33.3%
Neutral0.0%
Negative66.7%

Glyph Cube

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Roboto AUv3 Singing Synth

No in-app purchases

None

Glyph Cube

No in-app purchases

Questions

Is Roboto AUv3 Singing Synth free?
Roboto AUv3 Singing Synth is free to download, with no in-app purchases.
Is Glyph Cube free?
Glyph Cube is free to download, with no in-app purchases.
Which has better reviews, Roboto AUv3 Singing Synth or Glyph Cube?
Roboto AUv3 Singing Synth and Glyph Cube are both rated 5.0 out of 5 on the App Store, from 3 and 2 ratings respectively.
Do Roboto AUv3 Singing Synth or Glyph Cube have ads?
Neither Roboto AUv3 Singing Synth nor Glyph Cube shows ads.
Which is updated more often, Roboto AUv3 Singing Synth or Glyph Cube?
Roboto AUv3 Singing Synth ships an update every 9 days, and Glyph Cube every 3 days. Most recently, Roboto AUv3 Singing Synth was updated on November 6, 2026 and Glyph Cube on November 6, 2026.

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