Comparison

iSequence HD vs microTERA

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

Head to head
About

iSequence HD

Create professional music on your iPad with an intuitive 8-track sequencer, a vast library of instruments, and flexible mixing with DSP effects. Record, edit, and arrange loops, beats, and melodies in real-time, controlling every aspect of your music project.

Highlights
  • 8-track sequencer
  • 160+ built-in instruments
  • Custom instrument sampler
  • Real-time recording and automation
  • Step sequencer and FX editor
  • Flexible mixer with DSP effects
  • Wi-Fi file sharing
Read full description

iSequence is a long-running iPad music app appreciated for its speed, simplicity, and distinctive workflow. Build beats, melodies, and arrangements with an intuitive 8-track sequencer with 32-step patterns, shape sounds with its sampler, and mix everything with flexible DSP effects. Whether you are sketching loops or building full tracks, iSequence keeps music creation direct and hands-on. FAST, FLUID WORKFLOW Create patterns, record parts in real time, and edit them without interrupting playback. Switch between tracks, instruments, step sequencing, and automation as you build your song. iSequence is built for sketching ideas quickly, jamming with loops, and arranging complete tracks in a simple, focused environment. INSTRUMENTS • 160 built-in instruments, including acoustic sounds, drum kits, pads, leads, sweeps, and ambient textures • Additional sound banks available in the BankShop • Play with the on-screen piano keyboard or drum pads • Create custom instruments with the built-in sampler • Supports CoreMIDI and MIDI instruments REAL-TIME RECORDING AND AUTOMATION • Record notes as you play • Change tracks and instruments during playback • Use the metronome and slowdown mode for easier recording • Record parameter changes in real time STEP SEQUENCER • 8 tracks with FX curve editing • 32 steps per row / pattern • Instruments are not tied to tracks, allowing flexible sequencing and layering • Edit notes with the piano keyboard, drum pads, and other controls • Adjust note duration, panning, velocity, and gliss • Copy, paste, move, and transpose patterns and selections • Arrange patterns into full song structures MIXER AND EFFECTS • Adjust tempo, master volume, and shuffle • Mute, solo, and set levels for each track • Route tracks to 5 configurable effect channels • Includes Filter, Reverb, Flanger, Delay, Ring Modulator, EQ, Lo-Fi Crusher, Live Looper, and Distortion SAMPLER • Import, record, or paste samples to build custom instruments • Edit loop points, ADSR envelope, and sample mapping • Slice loops and synchronize them to tempo automatically FILE SHARING • Export songs as HSQ, MIDI, or WAV • Import samples and presets • Copy tracks to the audio clipboard • Import HSQ songs

About

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.

Highlights
  • 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
Read full description

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.

Verdict

The call

The clearest difference is price: iSequence HD at Free against microTERA's $1.99. iSequence HD also leads on ratings volume (33 vs 8). microTERA's advantage is rating (4.9 vs 4.2) and in-app purchases (none vs 8). On review sentiment, update cadence, ads 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

CostPrice · In-app purchases · Ads · Monetization

iSequence HD is free to download; microTERA costs $1.99 up front. iSequence HD sells 8 one-off in-app purchases. microTERA asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

microTERA holds the better App Store score, 4.9 against 4.2. Both are backed by a comparable volume of ratings — 33 and 8 respectively. Written reviews point the same way: 77% of iSequence HD's written reviews are positive against 81% of microTERA's.

UpkeepUpdate frequency

iSequence HD ships an update every 3 months, microTERA every 4 months. The most recent releases landed on October 14, 2026 and October 5, 2026 respectively.

Scorecard6 real differences · 4 level
iSequence HD versus microTERA: the parameters behind the verdict, then further details
ParameteriSequence HDmicroTERA
PriceFree — better$1.99
Rating4.2 (33 ratings)4.9 (8 ratings) — better
Positive reviews76.6% of reviews81.0% of reviews — better
Number of ratings33 — better8
Update frequencyEvery 3 months — betterEvery 4 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPadiPad
Requires iOS15.611.0 — better
Further details — not scored
Size156 MB24 MB
Age rating4+4+
DeveloperBeepStreetHarry Gohs

Customer experience

iSequence HD

All ratings32 ratings
Positive78.1%
Neutral0.0%
Negative21.9%
Written reviews222 reviews
Positive76.6%
Neutral9.0%
Negative14.4%

microTERA

All ratings8 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews21 reviews
Positive81.0%
Neutral14.3%
Negative4.8%

Bugs and requests

iSequence HD

Reported bugs

4 issues
  • Crashes on startup or during use
  • Issues with sample loading and playback
  • Inconsistent behavior with certain features
  • Compatibility problems with newer iOS versions

Requested features

6 requests
  • Expanded track count
  • More effects and sound design capabilities
  • Audiobus and Inter-App Audio integration
  • Improved sample import and management
  • Support for more time signatures and rhythms
Show 1 more
  • Ability to save and load full projects

microTERA

Not enough reviews yet to summarise bugs or requests.

In-app purchases

8 purchases

iSequence HD

One-time8
  • Funny farm bank$1.99
  • Chiptunes bank$1.99
  • Acoustic bank$2.99
Show 5 more
  • Electro/house bank$2.99
  • Trance waves$2.99
  • Loops vol.1$2.99
  • Loops vol.2$2.99
  • Beat elements bank$2.99
None

microTERA

No in-app purchases

Questions

Is iSequence HD free?
iSequence HD is free to download, with in-app purchases available.
Is microTERA free?
microTERA costs $1.99, with no in-app purchases.
Which has better reviews, iSequence HD or microTERA?
microTERA is rated higher. iSequence HD averages 4.2 out of 5 from 33 ratings, while microTERA averages 4.9 from 8 ratings.
Do iSequence HD or microTERA have ads?
Neither iSequence HD nor microTERA shows ads.
Which is updated more often, iSequence HD or microTERA?
iSequence HD ships an update every 3 months, and microTERA every 4 months. Most recently, iSequence HD was updated on October 14, 2026 and microTERA on October 5, 2026.

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