shapesynth vs Teraverse
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
shapesynth
Create unique retro-inspired sounds by drawing oscillator waveforms. This polyphonic synthesizer offers extensive modulation options, built-in effects, and recording capabilities. Seamlessly integrate with other music apps and hardware for a versatile creative experience.
- Draw custom oscillator waveforms
- 16-voice polyphony
- Arpeggiator and stereo delay
- Resonant filter
- Parameter modulation via keyboard, MPE, accelerometer
- Tape recorder with infinite overdubs
- Inter-app audio and AUv3 support
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Shape is a polyphonic synthesiser allowing the user to draw the shape of the oscillator waveform. The first half of the oscillator is represented by 32 blocks and the second half is its mirror, generating all sorts of possible raw retroish sounds. 16 pages per oscillator allows to interpolate between different shapes. Add effects like arpeggio, stereo delay and a resonant filter and record your sounds on a classic tape. Modulate any parameter with keyboard, MIDI MPE or the device accelerometer. Connect to other apps with AudioBus, IAA, AUv3 and midi. +++ 16 voice polyphony +++ 2 oscillators, draw your own shape +++ 3 oscillator mixing functions (add, subtract or multiply) +++ Lfo modulation with ADSR: envelope, pitch, duty cycle, square, page or filter +++ Record on tape with infinite overdubs (save, load, import, export) +++ Arpeggiator +++ Stereo delay +++ Resonant filter (low, band and high pass) +++ Modulate any parameter using keyboard, MIDI MPE or accelerometer (Built in or Sphero) +++ Mini linear sequencer with euclidean rhythm +++ On screen 25 key stylophone style keyboard +++ AudioBus, Inter App Audio and AUv3 +++ Ableton link or AUv3 host sync +++ CoreMIDI, IAA MIDI, Bluetooth MIDI, limited MPE and MIDI out +++ Audio Paste, files app drag’n drop or open with
Teraverse
Explore and manipulate sounds from a powerful polysynth. This companion app allows you to adapt existing sounds with simple parameters or discover entirely new sonic territories using a unique morphing engine. It offers extensive sound design capabilities for musicians.
- Sound exploration and adaptation
- Unique morphing engine
- Access to all Tera Pro sounds
- 128 voice polysynth
- MIDI Polyphonic Expression (MPE)
- 1800+ factory presets
- Standalone, AUv3, and IAA compatible
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Teraverse - The companion player for Tera Pro Explore the vast sound universe of Tera Pro sounds with this companion App. Have access to all sounds of Tera Pro and adapt them to your taste with a couple of parameters defining the primary attributes of its defining inner structure without being distracted from the complex modular polysynth beneath. Expand Tera Pro's sound universe with the unique morphing engine capable of extruding all subtleties in between two arbitrarily chosen sounds by using the modulation wheel or dragging your finger across the onscreen keyboard. Use the dice button to beam yourself into another part of the sound universe and enter territory no one else was there before. - 128 voice Polysynth - Tera Pro engine inside - All Sounds of Tera Pro - MIDI Polyphonic Expression (MPE) - Vintage voice modelling for organic warm sound character - 1800+ Factory presets included - Standalone, AUv3 and IAA compatible - Ableton Link - Bluetooth MIDI
Screenshots
Verdict
shapesynth and Teraverse both sit at 4.9 stars, but that hides the real split: 83% of Teraverse's written reviews are positive against 65% of shapesynth's. Teraverse also leads on update cadence (every 4 weeks vs every 2 months) and price ($2.99 vs $4.99). shapesynth's advantage is iOS requirement (9.0 vs 12.0). On rating, ads, in-app purchases and device support 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
shapesynth costs $4.99 and Teraverse $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 4.9 for shapesynth against 4.8 for Teraverse. Both are backed by a comparable volume of ratings — 24 and 112 respectively. Written reviews are what separate them: 65% of shapesynth's written reviews are positive against 83% of Teraverse's.
shapesynth ships an update every 2 months, Teraverse every 4 weeks. The most recent releases landed on September 25, 2026 and September 23, 2026 respectively.
| Parameter | shapesynth | Teraverse |
|---|---|---|
| Price | $4.99 | $2.99 — better |
| Rating | 4.9 (24 ratings) — better | 4.8 (112 ratings) |
| Positive reviews | 65.0% of reviews | 83.3% of reviews — better |
| Number of ratings | 24 | 112 — better |
| Update frequency | Every 2 months | Every 4 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 8 MB | 330 MB |
| Age rating | 4+ | 4+ |
| Developer | Erik Sigth | Harry Gohs |
Customer experience
shapesynth
Teraverse
In-app purchases
shapesynth
No in-app purchases
Teraverse
No in-app purchases









