# jAmp Doubler vs MIDI Drum

The clearest difference is rating: jAmp Doubler at 5.0 against MIDI Drum's 3.7. jAmp Doubler also leads on in-app purchases (none vs 2) and update cadence (every 9 days vs every 3 weeks). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. MIDI Drum sells 2 one-off in-app purchases. jAmp Doubler asks for nothing beyond the download.

jAmp Doubler holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 4 and 3 respectively.

jAmp Doubler ships an update every 9 days, MIDI Drum every 3 weeks. The most recent releases landed on October 12, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | jAmp Doubler | MIDI Drum |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/jamp-doubler/id6475082851/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/midi-drum/id6475945376/reviews) |
| Number of ratings | **4** | 3 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 3 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 6 MB | 32 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jan Maes](https://appshunter.io/developer/1550506252) | [InstaChord Corp.](https://appshunter.io/developer/1579397634) |

## What reviewers say

### jAmp Doubler

[App page](https://appshunter.io/ios/app/jamp-doubler/id6475082851)

This audio plugin creates a stereo effect by introducing a subtle delay to one audio channel. It offers precise control over the delay time and can be managed via MIDI. Ideal for enhancing mono audio sources with a wider soundstage.

**Highlights:** Stereo widening effect, Adjustable delay time (0-50 microseconds), MIDI control, AUv3 plugin format, Enhances mono audio

**Features:** Vision Pro support

**In-app purchases:** none


### MIDI Drum

[App page](https://appshunter.io/ios/app/midi-drum/id6475945376)

Create and perform drum patterns with an 8-track sequencer. Connect to external instruments and apps via Bluetooth or USB MIDI. Share your creations and explore a library of user-made songs.

**Highlights:** 8-track drum sequencer, User-friendly interface, Live performance mode, General MIDI sound source, Bluetooth LE and USB MIDI support, Song library for sharing, Export Standard MIDI Files (paid add-on)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Save in proprietary format | $4.99 | one-time |
| Export as SMF | $4.99 | one-time |


## Frequently asked questions

### Is jAmp Doubler free?

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

### Is MIDI Drum free?

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

### Which has better reviews, jAmp Doubler or MIDI Drum?

jAmp Doubler is rated higher. jAmp Doubler averages 5.0 out of 5 from 4 ratings, while MIDI Drum averages 3.7 from 3 ratings.

### Do jAmp Doubler or MIDI Drum have ads?

Neither jAmp Doubler nor MIDI Drum shows ads.

### Which is updated more often, jAmp Doubler or MIDI Drum?

jAmp Doubler ships an update every 9 days, and MIDI Drum every 3 weeks. Most recently, jAmp Doubler was updated on October 12, 2026 and MIDI Drum on October 24, 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.*