Comparison

Unique for iPhone vs TB Lowtone

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

Head to head
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

About

TB Lowtone

This app is an innovative bass synthesizer and AUv3 plugin that uses loudness-domain harmonic synthesis for deeper, more consistent bass sounds. It features multiple oscillators, modulation options, and built-in effects, plus an AI randomizer for creating new patches.

Highlights
  • Loudness-domain harmonic synthesis
  • 3 analog-simulated oscillators
  • Voltage-controlled noise synthesizer
  • AI randomizer for patch generation
  • Extended LFOs and ADSR envelope
  • Pro quality effects (reverb, chorus, delay)
  • AUv3 plugin support
Read full description

TB Lowtone is an innovative bass synthesizer app and AUv3 plug-in featuring three analog-simulated, voltage-controlled oscillators with a large variety of waveform algorithms, continuous pulse-width modulation (PWM), Frequency Modulation (FM) and oscillator hard sync, complemented by a voltage-controlled noise synthesizer, parameter modulation a re-designed non-linear voltage controlled filter. TB Lowtone is the world's first bass synthesizer featuring loudness-domain harmonic synthesis, creating deeper, more consistent and production-ready bass sounds compared to conventional synthesizers operating in the (linear) amplitude domain. TB Lowtone also features an AI randomizer that generates new patches with a single click, and which learns from the patches you have already created to generate new, personalized patches! Loudness-domain synthesis Loudness perception of tones and harmonics is known to be highly non-linear and intricately frequency and level dependent. Equal loudness contours, or Fletcher-Munson curves demonstrate this drastic effect for sine tones, which is especially relevant for low frequencies. The loudness of a synthesizer bass note, and all its individual harmonics, will therefore depend strongly on what note you play on your synth's keyboard. To overcome the resulting inconsistencies in loudness and timbre, TB Lowtone features innovative, loudness-domain synthesis algorithms that adjust each harmonic individually to compensate for loudness deviations across frequency. Modulation and FX TB Lowtone provides two extended low-frequency oscillators (X-LFOs) featuring a wide range of waveforms. The LFOs can be beat and key synced, with a configurable onset delay and a specific number of cycles to run. In addition, a conventional ADSR envelope with configurable onset delay is provided. To top if all off, a gate editor designed to quickly put together modern production modulation patterns is available as well to modulate a range of VCO, VCN and VCF parameters. Reverb, chorus, and delay effects and a high-quality peak limiter are provided to produce production-ready sounds. Features: - 3 VCOs plus a VCN featuring a wide range of waveform algorithms - All VCOs support hard sync, pulse-width modulation (PWM) and frequency modulation (FM) - Lots of filter types for spectral shaping - 2 LFOs, one extra envelope and a gate editor for parameter modulation - Pro quality effects (reverb, chorus, delay, peak limiter) - Unique loudness domain synthesis algorithms - A smart randomiser that learns from your patches - AUv3 with resizable UI and dozens of color themes to choose from - Preset management including import and export options - Undo, redo, A/B switching What you should know: - Licenses acquired for this platform are not compatible with other platforms. - Audio Unit (AUv3) extensions require an iPad mini 2, iPad 4 or later models.

Screenshots

Unique for iPhone4 screens
TB Lowtone2 screens

Verdict

The call

The clearest difference is rating: TB Lowtone at 4.4 against Unique for iPhone's 3.8. TB Lowtone also leads on review sentiment (85% vs 44%) and device support (3 vs 1). Unique for iPhone's advantage is price ($4.99 vs $9.99) and update cadence (monthly vs every 3 months). 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

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

ReceptionRating · Positive reviews · Number of ratings

TB Lowtone holds the better App Store score, 4.4 against 3.8. Both are backed by a comparable volume of ratings — 27 and 14 respectively. Written reviews point the same way: 44% of Unique for iPhone's written reviews are positive against 85% of TB Lowtone's.

UpkeepUpdate frequency

Unique for iPhone ships an update monthly, TB Lowtone every 3 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

Scorecard6 real differences · 4 level
Unique for iPhone versus TB Lowtone: the parameters behind the verdict, then further details
ParameterUnique for iPhoneTB Lowtone
Price$4.99 — better$9.99
Rating3.8 (27 ratings)4.4 (14 ratings) — better
Positive reviews44.0% of reviews84.6% of reviews — better
Number of ratings27 — better14
Update frequencyMonthly — betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS17.613.0 — better
Further details — not scored
Size38 MB13 MB
Age rating4+4+
DeveloperSugar Bytes GmbHToneBoosters

Customer experience

Unique for iPhone

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

TB Lowtone

All ratings14 ratings
Positive85.7%
Neutral7.1%
Negative7.1%
Written reviews13 reviews
Positive84.6%
Neutral15.4%
Negative0.0%

In-app purchases

None

Unique for iPhone

No in-app purchases

None

TB Lowtone

No in-app purchases

Questions

Is Unique for iPhone free?
Unique for iPhone costs $4.99, with no in-app purchases.
Is TB Lowtone free?
TB Lowtone costs $9.99, with no in-app purchases.
Which has better reviews, Unique for iPhone or TB Lowtone?
TB Lowtone is rated higher. Unique for iPhone averages 3.8 out of 5 from 27 ratings, while TB Lowtone averages 4.4 from 14 ratings.
Do Unique for iPhone or TB Lowtone have ads?
Neither Unique for iPhone nor TB Lowtone shows ads.
Which is updated more often, Unique for iPhone or TB Lowtone?
Unique for iPhone ships an update monthly, and TB Lowtone every 3 months. Most recently, Unique for iPhone was updated on October 29, 2026 and TB Lowtone on October 24, 2026.

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