Comparison

Stria vs Unique for iPhone

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

Head to head
About

Stria

This app is a multilevel interactive sound synthesizer that utilizes Frequency Modulation and Wavetable Additive techniques. It offers extensive control over oscillators, pitch grids, and effects, with support for various audio and MIDI connections.

Highlights
  • Multilevel interactive sound synthesizer
  • Up to 240 FM or Wavetable Additive Oscillators
  • Five Spectral Pitch Grid Generators
  • MIDI Pad With Scale Grid
  • Extensive effects chain (Doppler, Glitch Gen, Reverb, etc.)
  • Snapshots Presets Morphing Pad
  • Control Manager LFO for Parameters
Features
Read full description

Stria is rated as a Killer App by Apps4iDevices. Multilevel Interactive Sound Synthesizer Idea and Csound-Orchestra by Eugenio Giordani “Stria” is the title of a very important composition by John Chowning and I would like to say that this computer music piece represents the manifest of Frequency Modulation technique applied to audio synthesis, invented by Mr. Chowning himself. + Audiobus and Inter-App Audio support + Up to 240 Frequency Modulation Oscillators or simple Wavetable Additive + Five Spectral Pitch Grid Generators (Geometric, Harmonic, Fibonacci, Scalar, Temperated) + MIDI Pad With Scale Grid + Effects chain: Doppler, Chopper, Glitch Gen, Sync Grain, Spectral Arpeggiator, FDN Reverb, Dynamic Compressor/Expander + Snapshots Presets Morphing Pad + Control Manager LFO for Parameters + Midibus, Virtual Midi and Network: 14 bit NRPN controllers + Capture Master Audio Output + File Manager, sharing common audio files via iTunes, Dropbox and AudioCopy + Post Fx Chain: Doppler, Chopper, Out Of Range, Sync Granulator, Spectral Arpeggiator, Reverb FDN, Dynamisc Processor + Bluetooth A2DP High Quality + etc...

About

Unique for iPhone

Create unique analog synth sounds with a wide sonic spectrum. Explore classic and gritty tones with versatile oscillators, filters, and built-in effects. Features a unique Vowel Filter for distinctive vocal-like textures.

Highlights
  • Multiple oscillator waveforms
  • Analog filter types
  • Vowel Filter with formant stringing
  • LFO and envelope modulation
  • Recordable XY field and sequencer
  • Dual effect units
  • Audio Unit v3 support
Read full description

“Unique sounds like syrup with dirt kicked into it. If Bootsy Collins, Roger Troutman and Daft Punk would have met up in Studio 54 to create a soft-synth, for sure something like Unique would have come out of it…” Sound & Recording Mag Unique was made for fun and vibes: Analogue sound, intense modulation and a killer set of features, delivering an amazing sonic spectrum that’s full of character: Classy sounds, powerful, warm… sometimes gritty. Each of the 2 oscillators offers a selection of 5 waveforms: sawtooth and pulse waves are here, along with noise, triple saw and triple FM waves. There's also an additional sub-oscillator strapped into the master section for added oomph. The internal controllers will bring in the dynamics: an LFO and an envelope, there's a recordable XY field & a sequencer. Use these to modulate any knob – a simple long tap will do. The sound springs to life when it hits the filter section. Needless to say, analogue high-pass, low-pass and band-pass varieties are in place, along with a comb filter. Standards aside, the actual intention behind this project, the Vowel Filter, also became its outstanding feature: string together two or four vowel formants and play them back in a multitude of ways. Once you’ve built your sound, there’s tons of sound polish in two chained multi-effect units. Features • Sawtooth, Triple Saw, Pulse, Triple FM, Noise with tonal Filter, Sub Sine • 5 Filters with 5 Modulators each • Duophone Arpeggiator • Vowel Filter • Two Effect Sections • Audio Unit v3 • Ableton Link Kit • MIDI Learn & Host Automation • 300 groovy presets by various artists

Screenshots

Stria4 screens
Unique for iPhone4 screens

Verdict

The call

The clearest difference is review sentiment: Stria at 91% against Unique for iPhone's 44%. Stria also leads on rating (5.0 vs 3.8). Unique for iPhone's advantage is update cadence (every 4 weeks vs every 5 months) and price ($4.99 vs $9.99). On ratings volume, ads, in-app purchases and monetization model 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

Stria costs $9.99 and Unique for iPhone $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Stria holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 35 and 27 respectively. Written reviews point the same way: 91% of Stria's written reviews are positive against 44% of Unique for iPhone's.

UpkeepUpdate frequency

Stria ships an update every 5 months, Unique for iPhone every 4 weeks. The most recent releases landed on August 31, 2026 and September 21, 2026 respectively.

Scorecard5 real differences · 5 level
Stria versus Unique for iPhone: the parameters behind the verdict, then further details
ParameterStriaUnique for iPhone
Price$9.99$4.99 — better
Rating5.0 (35 ratings) — better3.8 (27 ratings)
Positive reviews91.1% of reviews — better44.0% of reviews
Number of ratings35 — better27
Update frequencyEvery 5 monthsEvery 4 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.612.0 — better
Further details — not scored
Size19 MB35 MB
Age rating4+4+
DeveloperapeSoftSugar Bytes GmbH

Customer experience

Stria

All ratings35 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews45 reviews
Positive91.1%
Neutral4.4%
Negative4.4%

Unique for iPhone

All ratings27 ratings
Positive66.7%
Neutral7.4%
Negative25.9%
Written reviews25 reviews
Positive44.0%
Neutral8.0%
Negative48.0%

In-app purchases

None

Stria

No in-app purchases

None

Unique for iPhone

No in-app purchases

Questions

Is Stria free?
Stria costs $9.99, with no in-app purchases.
Is Unique for iPhone free?
Unique for iPhone costs $4.99, with no in-app purchases.
Which has better reviews, Stria or Unique for iPhone?
Stria is rated higher. Stria averages 5.0 out of 5 from 35 ratings, while Unique for iPhone averages 3.8 from 27 ratings.
Do Stria or Unique for iPhone have ads?
Neither Stria nor Unique for iPhone shows ads.
Which is updated more often, Stria or Unique for iPhone?
Stria ships an update every 5 months, and Unique for iPhone every 4 weeks. Most recently, Stria was updated on August 31, 2026 and Unique for iPhone on September 21, 2026.

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