# jAmp IR vs Chord Scribe

The clearest difference is in-app purchases: jAmp IR at none against Chord Scribe's 3. Chord Scribe's advantage is update cadence (every 2 days vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Chord Scribe sells 3 in-app purchases, starting at $2.99 per month. jAmp IR asks for nothing beyond the download.

jAmp IR ships an update every 2 weeks, Chord Scribe every 2 days. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | jAmp IR | Chord Scribe |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (15 ratings)](https://appshunter.io/ios/app/jamp-ir/id6476031801/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Monetization | Free | — |
| Size | 1 MB | 37 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Jan Maes](https://appshunter.io/developer/1550506252) | [Austin Anderson](https://appshunter.io/developer/1865496078) |

## What reviewers say

### jAmp IR

[App page](https://appshunter.io/ios/app/jamp-ir/id6476031801)

This tool loads impulse responses for guitar and bass amp cabinet simulation. It allows mixing two impulse responses and offers fine control over filters, gain, and phase. The app includes five high-quality impulse responses.

**Highlights:** Impulse response loader, Cabinet simulator for guitar and bass, Mix two impulse responses, High and low pass filters, Gain control, Phase inversion

**Features:** Vision Pro support

**In-app purchases:** none


### Chord Scribe

[App page](https://appshunter.io/ios/app/chord-scribe/id6815927747)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chord Scribe Pro Monthly | $2.99 | per month |
| Chord Scribe Pro Yearly | $29.99 | per year |
| Chord Scribe Pro Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is jAmp IR free?

jAmp IR is free to download, with no in-app purchases.

### Is Chord Scribe free?

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

### Do jAmp IR or Chord Scribe have ads?

Neither jAmp IR nor Chord Scribe shows ads.

### Which is updated more often, jAmp IR or Chord Scribe?

jAmp IR ships an update every 2 weeks, and Chord Scribe every 2 days. Most recently, jAmp IR was updated on October 24, 2026 and Chord Scribe on October 8, 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.*