Comparison

Poly Talkbox by ElectroSpit vs NERD Synth A2x + AUv3

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

Head to head
About

Poly Talkbox by ElectroSpit

Create professional talkbox sounds and melodies with a versatile keyboard interface. Explore various scales and harmonies, and add expressive effects like vibrato and pitch bends. Ideal for musicians and beginners alike.

Highlights
  • Classic Sawtooth Talkbox Sound
  • Programmable harmonies and chords
  • 30-key chromatic keyboard
  • Jam Stack for improvisation
  • Vibrato, modulation, and pitch bends
  • 9 popular scales
Features
Read full description

Poly Talkbox Synth by ElectroSpit is designed from the ground up for playing talkbox on the ElectroSpit ESX-1 mobile talkbox or any traditional talkbox, and comes with the perfect talkbox sound. The user interface is optimized for playing pro-quality melodies and harmonies with a keyboard layout that lets you fly. 30+ keys on your phone screen give you more room to express yourself. Easily add vibrato, modulation and pitch bends by dragging your fingers side to side or with the on screen pitchbend and modulation wheels to increase the funk and soul in your talkbox sound. You can also use pressure or shake to add vibrato. No musical training? No problem! Just slide your finger on the Jam Stack and get funky. The intuitive Jam stack allows you to improvise in one of 9 popular scales in any key. Technical Features: -Classic Sawtooth Talkbox Sound -Programmable harmonies -Programmable backing chords -30 key chromatic keyboard -Octave Transpose -Key Transpose -Pitchbend Wheel -Modulation Wheel -Portamento -Glide Time -9 Popular Scales like Blues and Pentatonic -Fine Tuning -works with ESX-1 Mobile Talkbox or any traditional talkbox - Selectable color skins - vertical keyboard mode Minimum Requirements: iPad 5th Gen, iPhone 6s, iOS 14 or better. iPhone 6s Plus or better recommended

About

NERD Synth A2x + AUv3

This virtual analog synthesizer offers a powerful and intuitive sound design experience, inspired by classic hardware. Explore over 40 classic waveforms, a versatile arpeggiator, step sequencer, and lush effects to craft unique electronic music.

Highlights
  • Virtual Analog Synthesizer
  • 40+ Classic Waveforms
  • Arpeggiator
  • Step Sequencer
  • Lush Effects Suite
  • Four-voice Unison
  • AUv3 Plugin Support
Features
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Inspired by the classic sounds of the Nord Lead A1** This is not a Rompler. This is a SYNTH.  "I’m impressed. The sounds are FAT, the effects are LUSH, and the interface is a JOY to use."  – Audio News Room "This is not a clone, this is BEYOND the hardware, it's a completely new, fantastic beast" – Jade Starr, How to App "An excellent release...app captures the soul of the Nord Lead A1 Synthesizer"  – Synth Anatomy "An iOS-based homage to a virtual analogue classic!" – Music Radar / Keyboard Magazine Not imitation, it's Innovation! https://audiokitpro.com/redsynth With Nerd Synth, you’ll have access to all 40+ of the classic lead A1 waveforms! Plus, we gave it some RAW MODERN POWER. FULLY LOADED w/ 550+ presets by Analog Matthew, Electronisounds, DMT Cymatics, Moby Pixel, Red Sky Lullaby, and more NOTE: This is a synth, and contains no hardware preset samples. All presets are completely original. One low price includes Lifetime License and all Features Easy to use. Easy to get great tone! NERD SYNTH A2X: • 64-voice, Retro VA-Synth • Include all 40+ of the Nord A1 waveforms • Arpeggiator! Classic Hardware-style Arp, with extra features • Vintage-style Step Sequencer that can be routed to specific layers • A proper filter envelope ADSR! • NEW: 2x Oversampled Oscillators • 3 LFOs. Fun Routings. LFOs can modify other LFOs • Microtonality, World Scales and Western Scales! • TouchPads! 2 fun assignable pads, -= Create NORD-style SUPER SAWS =- ++ Four-voice Unison with the tap of a button ++ 3 different algorithms: Regular, HYPER, and BEAST! "Astoundingly great sounding and intuitive synth app!" – The GarageBand Guide Modeled sound: It's like a time-capsule. Imagine if there were iPads in 2003? Complete with that "cold" VA sound that ruled the dance floors and stages ADDITIONAL FEATURES: • FX: Glorious Reverb, Analog Tape Delay, Distortion, Flanger, Chorus, Crush, and more. • On board "Record" button, no external hardware required • Works with a MIDI Keyboard EXCLUSIVE TO THIS APP: • "SUPER FM" wild pitch drop controls! Modeled after digital VA-Synths, complete with vintage digital aliasing for old-school vibe! • Crazy aggressive RING MODULATION distortion – It's like robots talking, or fighting? You decide! COOL: • iPad version has "stacked" views for maximum onscreen control! Tap the current Nav Button at the top to change the bottom view • This is a Premium App: No iAP, No Ads, No subscriptions! Use as a plug-in in DAWs like GarageBand & Logic for iPad, Cubasis, AUM, and more! NOTE: This is not a hardware clone, it's a completely new synth. If you're looking for a ROMpler like the "Stage" series, this app may not be for you. This is a SYNTH, not a rompler. All the presets here are new and original. Giving you fresh new sounds that are completely tweak-able This is not a 1:1 clone and will not load hardware presets. Please note that this app's sound is closer to the A1, which is a different sound from the NL1/NL2X. ** This app has no affiliation or endorsement by Clavia DMI AB. This app is not a clone of any their synths, including the Nord Lead and Nord Lead A1. While we were inspired by their wonderful and iconic work, this app is not trying to copy those synths. We created something completely new. It's a synth for synth nerds :) LEGAL STUFF: All product names and images, trademarks and artists names are the property of their respective owners, which are in no way associated or affiliated with the creators of this app, including AudioKit, AudioKit Pro, LLC, and the other contributors. Any use of these names and images does not imply any cooperation or endorsement by Clavia Digital Musical Instruments. Nord Lead, Nord Lead 2X, Nord, and Nord Lead A1 are Clavia trademarks and properties. We appreciate their amazing work in creating such classic and inspiring instruments.

Screenshots

Poly Talkbox by ElectroSpit4 screens
NERD Synth A2x + AUv34 screens

Verdict

The call

The clearest difference is ratings volume: NERD Synth A2x + AUv3 at 1.4K against Poly Talkbox by ElectroSpit's 2. Poly Talkbox by ElectroSpit's advantage is update cadence (every 5 days vs fortnightly) and review sentiment (100% vs 89%). On rating, 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

Poly Talkbox by ElectroSpit costs $4.99 and NERD Synth A2x + AUv3 $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Poly Talkbox by ElectroSpit against 4.9 for NERD Synth A2x + AUv3. That said, the two scores are not equally well evidenced: NERD Synth A2x + AUv3 has 1.4K ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 100% of Poly Talkbox by ElectroSpit's written reviews are positive against 89% of NERD Synth A2x + AUv3's.

UpkeepUpdate frequency

Poly Talkbox by ElectroSpit ships an update every 5 days, NERD Synth A2x + AUv3 fortnightly. The most recent releases landed on October 17, 2026 and October 21, 2026 respectively.

Scorecard4 real differences · 6 level
Poly Talkbox by ElectroSpit versus NERD Synth A2x + AUv3: the parameters behind the verdict, then further details
ParameterPoly Talkbox by ElectroSpitNERD Synth A2x + AUv3
Price$4.99 — better$5.99
Rating5.0 (2 ratings) — better4.9 (1.4K ratings)
Positive reviews100.0% of reviews — better89.0% of reviews
Number of ratings21.4K — better
Update frequencyEvery 5 days — betterFortnightly
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.0 — better14.4
Further details — not scored
Size4 MB242 MB
Age rating4+4+
DeveloperElectroSpit Inc.AudioKit Pro

Customer experience

Poly Talkbox by ElectroSpit

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

NERD Synth A2x + AUv3

All ratings1,342 ratings
Positive99.1%
Neutral0.6%
Negative0.3%
Written reviews163 reviews
Positive89.0%
Neutral7.4%
Negative3.7%

Bugs and requests

Poly Talkbox by ElectroSpit

Not enough reviews yet to summarise bugs or requests.

NERD Synth A2x + AUv3

Reported bugs

2 issues
  • Doesn't fit properly in Logic Pro for iPad
  • Keyboard keys get stuck when using a controller

Requested features

4 requests
  • Dark mode option
  • Undo/redo functionality
  • Improved Logic Pro integration
  • Ability to change color scheme

In-app purchases

None

Poly Talkbox by ElectroSpit

No in-app purchases

None

NERD Synth A2x + AUv3

No in-app purchases

Questions

Is Poly Talkbox by ElectroSpit free?
Poly Talkbox by ElectroSpit costs $4.99, with no in-app purchases.
Is NERD Synth A2x + AUv3 free?
NERD Synth A2x + AUv3 costs $5.99, with no in-app purchases.
Which has better reviews, Poly Talkbox by ElectroSpit or NERD Synth A2x + AUv3?
Poly Talkbox by ElectroSpit is rated higher. Poly Talkbox by ElectroSpit averages 5.0 out of 5 from 2 ratings, while NERD Synth A2x + AUv3 averages 4.9 from 1.4K ratings.
Do Poly Talkbox by ElectroSpit or NERD Synth A2x + AUv3 have ads?
Neither Poly Talkbox by ElectroSpit nor NERD Synth A2x + AUv3 shows ads.
Which is updated more often, Poly Talkbox by ElectroSpit or NERD Synth A2x + AUv3?
Poly Talkbox by ElectroSpit ships an update every 5 days, and NERD Synth A2x + AUv3 fortnightly. Most recently, Poly Talkbox by ElectroSpit was updated on October 17, 2026 and NERD Synth A2x + AUv3 on October 21, 2026.

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