# Tonestack Kit — Guitar Amp Tonestack Tool

> Guitar Amp Tonestack Tool (iPhone/iPad app by Just the Wind, LLC.)

- Source: https://appshunter.io/ios/app/tonestack-kit/id6753660312 (this page in markdown: same URL + `.md`)
- Developer: [Just the Wind, LLC](https://appshunter.io/developer/1812075030)
- Category: Utilities, Music
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 15.0 · 22 MB
- Languages: American English
- Released: 2025-10-30
- Data updated: 2026-05-30
- User reviews in markdown: https://appshunter.io/ios/app/tonestack-kit/id6753660312/reviews.md

## What is Tonestack Kit?

EDIT AND VIEW THE FREQUENCY RESPONSE OF CLASSIC GUITAR AMPLIFIER TONE CIRCUITS

Interactive controls allow you to view the frequency response changes in real-time as you manipulate tone control knobs and switches. Long-tap on the chart to see detailed response information.

UP TO 27 REAL-WORLD CLASSIC GUITAR AMPLIFIER TONE CIRCUITS

9 circuits included with the free app:
1959, AB763, Bone Ray, DR103, E-Series, Flex Tilt, James, Tilt & Top Boost

18 additional circuits added with a single in-app purchase:
1974X Normal Channel, 1974X Tremolo Channel, 2555X, 5F2A, 60TC, 6162, 6G6B, 6G7, 6G8, Baxandall, Bridged-T, Bridged-T (Alternate Version), Centurion, James w/ Shift Control, Moonlight, Overdrive Special, Voigt, YGM3

EDIT CIRCUIT COMPONENT VALUES
Edit resistor, capacitor, inductor, voltage source and potentiometer values.
7 potentiometer tapers available.
Convert to standard component values at the touch of a button.
See the effect on frequency response.

LOAD, SAVE & SHARE CIRCUIT EDITS
Save and load edited circuits.
Share frequency response images or export curves as .csv files and import them into a spreadsheet.
Share schematic images or save them to your device.

EXTENSIVE SETTINGS
Editable circuit names
'Dark' and 'Light' themes
Preferred resistor series
'Treble-Middle-Bass' or 'Bass-Middle-Treble' knob order
Chart decibel range
Number of sampled points
Guitar and Bass fundamental frequency highlighting
& More!

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Full App Unlock | $6.99 | one-time |



## Version history (last 2 releases)

### 2.0.1 — 2025-11-16

This version fixes a bug when loading previously saved circuit edits.

### 2.0.0 — 2025-10-30

No release notes.

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## Related topics

[tonestack kit](https://appshunter.io/ios/topics/tonestack-kit) · [tonestack](https://appshunter.io/ios/topics/tonestack)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-30.*