microTERA vs MIDI File Generator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
microTERA
Explore unique sonic textures with this waveshaping synthesizer. Generate novel sound patches randomly or program them with detailed controls. Includes a variety of built-in effects and advanced sequencing capabilities.
- Waveshaper with user programmable shape
- Random sound patch generation
- Sequencer with programmable steps
- Built-in effects (Chorus, Phaser, Reverb, etc.)
- Over 150 factory sounds
- Audiobus and Ableton Link compatible
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Waveshaping Synthesis is a type of distortion synthesis that can create dynamic spectra in a controlled way. In waveshaping, it is possible to change the spectrum with the amplitude of the sound. A simple example of this method is the clipping caused by overdriving an audio amplifier. These simple method creates an astonishing variety of sounds which are very unique and can't be reproduced by any other contemporary synth! microTERA gives you also a method of getting randomly generated sound patches in a way you never experienced before: roll the dice! Every single try gives you a new unique sound patch, really every try, promised… Waveshaping Synthesis • Wavehaper with user programmable shape • Spectral shape specification • Three sine oscillators • Feedback input for noise components • 4 Low frequency oscillators • 4 Envelopes with tempo sync • 64 time/level segments per envelope • Monophonic or polyphonic with 16 voices. • Over 150 factory sounds • Uses programmable sequences with up to 32 steps. • Can trigger single notes and chords. • Unique randomizer generates Arpeggios with 100% usability. • 32 Arpeggios included, unlimited useer arpeggios possible. • For each step you can program tie, accent, transposition and note order Effects • Chorus • Phaser • Distortion (Tape/Tube/...) • Echo/Delay • Reverb Global • Audiobus compatible (Input slot) with state saving • Support for Ableton Link. • Inter App Audio compatible. • CoreMIDI / Virtual MIDI • Audio recorder with Metronome. • Upload to SoundCloud and File Export. • Audio pasteboard.
MIDI File Generator
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MIDI FIle Generator makes it easy to create MIDI files for sampling music synthesizers. The results can be imported into any Digital Audio Workstation (DAW) app that supports Standard MIDI files. Select the start note, end note, and interval in semitones. Then select the velocities you want. Finally adjust the duration and decay of the note, and the silence between individual notes.
Screenshots
Verdict
The clearest difference is device support: MIDI File Generator at 3 against microTERA's 1. microTERA's advantage is iOS requirement (11.0 vs 16.6). On price, update cadence, ads and in-app purchases 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
microTERA costs $1.99 and MIDI File Generator $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
microTERA ships an update every 4 months, MIDI File Generator every 6 months. The most recent releases landed on October 5, 2026 and October 19, 2026 respectively.
| Parameter | microTERA | MIDI File Generator |
|---|---|---|
| Price | $1.99 | $1.99 |
| Rating | 4.9 (8 ratings) — better | — |
| Positive reviews | 81.0% of reviews | — |
| Number of ratings | 8 — better | — |
| Update frequency | Every 4 months — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPad | iPhone, iPad, Mac — better |
| Requires iOS | 11.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 24 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Harry Gohs | Conifer Productions Oy |
In-app purchases
microTERA
No in-app purchases
MIDI File Generator
No in-app purchases









