# JDS Labs Core DSP vs Changes

The clearest difference is in-app purchases: JDS Labs Core DSP at none against Changes's 1. JDS Labs Core DSP also leads on iOS requirement (15.0 vs 27.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Changes sells 1 one-off in-app purchase. JDS Labs Core DSP asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | JDS Labs Core DSP | Changes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (10 ratings)](https://appshunter.io/ios/app/jds-labs-core-dsp/id6758478316/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | — |
| Size | 76 MB | 9 MB |
| Requires iOS | **15.0** | 27.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [JDS Labs, Inc.](https://appshunter.io/developer/1843908047) | [Warren Labs](https://appshunter.io/developer/6792763836) |

## What reviewers say

### JDS Labs Core DSP

[App page](https://appshunter.io/ios/app/jds-labs-core-dsp/id6758478316)

This app allows users to control their JDS Labs Element IV headphone amplifier and DAC. It offers extensive customization options for audio settings, including parametric EQ, crossfeed, and volume.

**Highlights:** 12-band parametric EQ control, Access to 8,000+ headphone presets, Adjustable crossfeed, loudness, soundstage, balance, and volume, Store and manage EQ profiles for headphones and speakers, Configure device settings

**In-app purchases:** none


### Changes

[App page](https://appshunter.io/ios/app/changes-nashville-numbers/id6792763834)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Changes Pro | $14.99 | one-time |


## Frequently asked questions

### Is JDS Labs Core DSP free?

JDS Labs Core DSP is free to download, with no in-app purchases.

### Is Changes free?

Changes is free to download, with in-app purchases available.

### Do JDS Labs Core DSP or Changes have ads?

Neither JDS Labs Core DSP nor Changes shows ads.

### Which is updated more often, JDS Labs Core DSP or Changes?

JDS Labs Core DSP ships an update every 3 weeks, and Changes every 3 weeks. Most recently, JDS Labs Core DSP was updated on October 24, 2026 and Changes on October 25, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*