Comparison

NumericTadpole vs Discovery AUv3 Synth

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

Head to head
About

NumericTadpole

Create MIDI data for music production using a numeric interface. This app allows you to input note position, pitch, length, and velocity to generate musical sequences for other applications. It does not produce sound itself, requiring an external sound module.

Highlights
  • Numeric data input for notes
  • Adjustable note position, length, and velocity
  • MIDI data generation
  • Table and data views
  • Song and track management
  • 16 tracks available
Features
Read full description

This is a music sequencer using numeric data. This app is for making MIDI data to send to an another app applied to virtual MIDI. This app doesn't have any sound generation. You have to choose a destination sound module on the setting page. The modules applied to virtual MIDI are listed in MIDI setting page. If you don't select any module, the default sound module is selected by OS. Data are four elements, position, note, length, and velocity. Position shows the time a note start at. Position is displayed in two ways, MEASURE / BEAT / TICK or MEASURE / TICK. The resolution of a beat is 48. Note is pitch.(0-127) Note is displayed in two ways, number (60) or name (C4). Length shows how long a note continues. Length is displayed in two ways, BEAT / TICK or TICK. The resolution of a beat is 48. Velocity shows how strong note is.(0-127) You can change how to display on setting page. Table view: you can see data in the graphic table. Data view: you can see and control numeric data. The view shows position, note, length, velocity from left to right. Direction: you can move the focus cell to up, down, right or left. Ins/Del: you can insert or delete a note. Number: you can enter numbers to a focused cell or increase/decrease a focused number. Play: you can play or stop the song. you can choose to play all tracks or only focused track. Song tab: you can change a song, enter a song name, change the tempo of a song. Track tab: you can change a track, see and change some track parameters. 16 tracks are prepared. Setting: pops up the setting page.

About

Discovery AUv3 Synth

This powerful virtual analog synthesizer offers a vast sound library and advanced features for musicians and sound designers. Create complex sounds with multi-layering, morphing parameters, and built-in effects. Import classic synth patches and utilize rhythmic tools for unique sonic exploration.

Highlights
  • 4 Layers Per Patch
  • Over 3,500 Presets
  • Nord Lead 2 Patch Import
  • Parameter Morphing
  • Built-in Effects (Chorus, Phaser, Delay)
  • Advanced Filters (8 types)
  • Gate and Arpeggiator
Features
Read full description

Discovery Synth AUv3 is a powerful virtual analog synthesizer, inspired by the iconic Clavia Nord Lead 2. With a robust feature set designed for musicians and sound designers, it delivers exceptional sound quality and flexibility. Key features include: • 4 Layers Per Patch: Stack layers to create complex, evolving sounds. • Over 3,500 Presets: Explore a vast collection of sounds, including percussion sets and Nord Lead 2 patches. • Nord Lead 2 Patch Import: Seamlessly import patches from the Clavia Nord Lead 2 and 2X for authentic sound recreation. • Parameter Morphing: Smoothly transition between parameter states for dynamic, evolving soundscapes. • Built-in Effects: Includes Chorus, Phaser, Panning Delay, and Gate for creative sound manipulation. • 128 Patch Memories per Bank: Organize and store your sounds efficiently. • Advanced Filters: Choose from 8 filter types, including LowPass, HighPass, BandPass, Formant, and an 8-tap Phaser. • Gate and Arpeggiator: Create rhythmic patterns with the built-in gate and arpeggiator synced to your host tempo. • Automation via MIDI CC (check the MIDI CC table in the PDF manual on the discoDSP Discovery page). Whether standalone or integrated as an AUv3, Discovery Synth provides all the tools you need to craft unique, high-quality sounds with ease. Dive into its intuitive interface and unlock your creative potential today!

Screenshots

NumericTadpole4 screens
Discovery AUv3 Synth1 screens

Verdict

The call

The clearest difference is review sentiment: Discovery AUv3 Synth at 76% against NumericTadpole's 0%. Discovery AUv3 Synth also leads on update cadence (weekly vs every 2 months) and ratings volume (6 vs 1). NumericTadpole's advantage is price ($2.99 vs $19.99) and rating (5.0 vs 4.3). On ads, in-app purchases, monetization model 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

NumericTadpole costs $2.99 and Discovery AUv3 Synth $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

NumericTadpole holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Discovery AUv3 Synth has 6 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 0% of NumericTadpole's written reviews are positive against 76% of Discovery AUv3 Synth's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

NumericTadpole ships an update every 2 months, Discovery AUv3 Synth weekly. The most recent releases landed on August 12, 2026 and October 22, 2026 respectively.

Scorecard5 real differences · 5 level
NumericTadpole versus Discovery AUv3 Synth: the parameters behind the verdict, then further details
ParameterNumericTadpoleDiscovery AUv3 Synth
Price$2.99 — better$19.99
Rating5.0 (1 ratings) — better4.3 (6 ratings)
Positive reviews0.0% of reviews76.2% of reviews — better
Number of ratings16 — better
Update frequencyEvery 2 monthsWeekly — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.515.0 — better
Further details — not scored
Size4 MB42 MB
Age rating4+4+
DeveloperMotonari HibiDiscoDSP LLC

Customer experience

NumericTadpole

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral100.0%
Negative0.0%

Discovery AUv3 Synth

All ratings6 ratings
Positive83.3%
Neutral0.0%
Negative16.7%
Written reviews21 reviews
Positive76.2%
Neutral0.0%
Negative23.8%

In-app purchases

None

NumericTadpole

No in-app purchases

None

Discovery AUv3 Synth

No in-app purchases

Questions

Is NumericTadpole free?
NumericTadpole costs $2.99, with no in-app purchases.
Is Discovery AUv3 Synth free?
Discovery AUv3 Synth costs $19.99, with no in-app purchases.
Which has better reviews, NumericTadpole or Discovery AUv3 Synth?
NumericTadpole is rated higher. NumericTadpole averages 5.0 out of 5 from 1 ratings, while Discovery AUv3 Synth averages 4.3 from 6 ratings.
Do NumericTadpole or Discovery AUv3 Synth have ads?
Neither NumericTadpole nor Discovery AUv3 Synth shows ads.
Which is updated more often, NumericTadpole or Discovery AUv3 Synth?
NumericTadpole ships an update every 2 months, and Discovery AUv3 Synth weekly. Most recently, NumericTadpole was updated on August 12, 2026 and Discovery AUv3 Synth on October 22, 2026.

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