Comparison

NLogSynth PRO vs Deep Synth

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

Head to head
About

NLogSynth PRO

This app is a professional virtual analog synthesizer for iOS, offering a low-latency sound engine with extensive editing capabilities. It supports various inter-app audio and MIDI protocols, allowing for integration with DAWs and external controllers. Create and export custom sounds and recordings with studio-quality audio.

Highlights
  • Virtual analog low-latency sound engine
  • Extensive sound editing with over 150 parameters
  • Support for AudioUnit v3, AudioBus 3, Inter-App Audio
  • Full MIDI implementation and Core MIDI compatibility
  • Studio quality 44.1 kHz Stereo CD quality audio
  • 224 factory sounds and user banks
  • Multi-effect section with delay, chorus, reverb, and more
Features
Read full description

Professional Virtual Analogue Synthesizer supporting AudioUnit v3, AudioBus 3, Inter-App Audio and Core MIDI compatible apps & interfaces. Versatile iOS synth with professional grade virtual analogue low latency sound engine: - Play it from on-screen keyboard - Use MIDI keyboards & controllers via MIDI interfaces - Connect to your digital audio workstation via MIDI interfaces - Play NLogSynth from other iOS apps using virtual Core MIDI - Synchronize NLog via MIDI Clock to other apps or devices - Make audio or MIDI recordings on the run and share your files - Export patches & recordings Supports external MIDI input and output via CoreMIDI compatible interfaces and class compliant USB MIDI interfaces. Full MIDI implementation including velocity control, pitch bend, sustain pedal, modulation wheel, program & bank change, polyphonic after touch, channel pressure and assignable midi controller & MIDI Sync receiving mode. ::: Follow @nlogmusic at Twitter! ::: ::: Featured in How to Make a Noise: iPad Synthesizers Edition (http://noisesculpture.com/ipad) the most widely read synthesizer book ::: - 224 IMPRESSIVE FACTORY SOUNDS  - including fresh new sound set by the producer 7 Skies - ENDLESS options for SOUND EDITING     - Over 150 parameters     - 3 user banks with 96 slots   - STUDIO QUALITY sounds     - Professional 44.1 kHz Stereo CD quality     - 32bit floating point engine     - Highly efficient algorithms - STAGE safe KEYBOARD implementation     - SLIDING & LOCK option     - Double manual option     - POLY, MONO & LEGATO modes     - Velocity control     - Different key sizes - Fully customizable EXPRESSION CONTROL     - Realistic PITCH BEND and MOD WHEEL implementation     - X/Y dimensional controller     - 4 customizable PERFORMANCE knobs     - Keyboard with VERTICAL modulation control - Incredible FAT & RICH:     - New filter implementation for SMOOTH and JUICY control with 7 FILTER types     - UNISONO mode for up to 4 parallel sounds with detune, delay and panning control === SOUND editing features === - 4 Oscillators with 20 waveforms:     - classic analogue SIN, SAWTOOTH, TRIANGLE and SQUARE     - 16 additional carefully designed wavetables  - True PWM pulse-width modulation - Frequency mod - Ring mod - Noise generator - 2 Filter with 7 filter types     - Low, High & Band Passes     - Finest sweeps & smoothest cutoff tuning     - Carefully resonating     - 12 & 24dB option for steepness - 4 ADSR Envelope generators     - Velocity controlled attack time - Slope control - 4 Modulation LFOs     - Sample & hold     - Fade in delay - Modulation Matrix - 4 Modulation slots each modulating 3 destinations - Multi-effect section     - Stereo delay with x-feed & filter     - chorus - flanger - phaser     - distortion - reverb - parametric EQ

About

Deep Synth

Create unique sounds with this FM synthesizer app. It features real-time wave manipulation, multiple sound effects, and MIDI keyboard support. Explore dynamic sound design with its intuitive interface.

Highlights
  • Real-time wave form editing
  • Simple envelope filter
  • Reverb and tremolo effects
  • Polyphonic keyboard with 5 octaves
  • MIDI keyboard support
  • AUV3 Audio Unit instrument
Read full description

Unique synth with AUV3 (Audio Unit) and midi keyboard support! You can touch and change the wave and hear the difference. Deep Synth also has: - simple envelope filter - reverb effect - tremolo sound effect - hair - high frequency modulation. - 5 points wave form modulation - polyphonic keyboard - 5 octaves range selector - point vibe to make your wave dynamic - build-in resonator effect - supports MIDI keyboards via USB (full velocity and pitch shift support) - works as Audio Unit instrument plug-in AUV3 The sound generator inside the synthesizer is producing the exact wave form as the one you have created. You can control the position and width of the picks in real time. The synth app has fast and capable piano keyboard. It is fully polyphonic and you can play in 5 octaves.

Screenshots

Deep Synth3 screens

Verdict

The call

The clearest difference is rating: NLogSynth PRO at 4.6 against Deep Synth's 4.0. NLogSynth PRO also leads on review sentiment (83% vs 50%) and ratings volume (33 vs 2). Deep Synth's advantage is price ($4.99 vs $8.99) and update cadence (monthly vs every 2 months). On 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

NLogSynth PRO costs $8.99 and Deep Synth $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

NLogSynth PRO holds the better App Store score, 4.6 against 4.0. That said, the two scores are not equally well evidenced: NLogSynth PRO has 33 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 83% of NLogSynth PRO's written reviews are positive against 50% of Deep Synth's.

UpkeepUpdate frequency

NLogSynth PRO ships an update every 2 months, Deep Synth monthly. The most recent releases landed on October 1, 2026 and October 4, 2026 respectively.

Scorecard7 real differences · 3 level
NLogSynth PRO versus Deep Synth: the parameters behind the verdict, then further details
ParameterNLogSynth PRODeep Synth
Price$8.99$4.99 — better
Rating4.6 (33 ratings) — better4.0 (2 ratings)
Positive reviews83.1% of reviews — better50.0% of reviews
Number of ratings33 — better2
Update frequencyEvery 2 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPadiPhone, iPad, iPod — better
Requires iOS13.010.0 — better
Further details — not scored
Size25 MB9 MB
Age rating4+4+
Developertempo rubatoAleksandar Mlazev

Customer experience

NLogSynth PRO

All ratings32 ratings
Positive87.5%
Neutral3.1%
Negative9.4%
Written reviews166 reviews
Positive83.1%
Neutral7.8%
Negative9.0%

Deep Synth

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive50.0%
Neutral25.0%
Negative25.0%

In-app purchases

None

NLogSynth PRO

No in-app purchases

None

Deep Synth

No in-app purchases

Questions

Is NLogSynth PRO free?
NLogSynth PRO costs $8.99, with no in-app purchases.
Is Deep Synth free?
Deep Synth costs $4.99, with no in-app purchases.
Which has better reviews, NLogSynth PRO or Deep Synth?
NLogSynth PRO is rated higher. NLogSynth PRO averages 4.6 out of 5 from 33 ratings, while Deep Synth averages 4.0 from 2 ratings.
Do NLogSynth PRO or Deep Synth have ads?
Neither NLogSynth PRO nor Deep Synth shows ads.
Which is updated more often, NLogSynth PRO or Deep Synth?
NLogSynth PRO ships an update every 2 months, and Deep Synth monthly. Most recently, NLogSynth PRO was updated on October 1, 2026 and Deep Synth on October 4, 2026.

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