# PSA1000 Jr vs Additive Drum Machine

The clearest difference is price: Additive Drum Machine at $2.99 against PSA1000 Jr's $14.99. PSA1000 Jr's advantage is ratings volume (21 vs 3). On rating, review sentiment, update cadence and ads there is nothing between them.

PSA1000 Jr costs $14.99 and Additive Drum Machine $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for PSA1000 Jr against 5.0 for Additive Drum Machine. That said, the two scores are not equally well evidenced: PSA1000 Jr has 21 ratings behind it against 3, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

PSA1000 Jr ships an update every 17 months, Additive Drum Machine every 15 months. The most recent releases landed on October 15, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | PSA1000 Jr | Additive Drum Machine |
| --- | --- | --- |
| Price | $14.99 | **$2.99** |
| Rating | [5.0 (21 ratings)](https://appshunter.io/ios/app/psa1000-jr/id1498486583/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/additive-drum-machine/id1658242894/reviews) |
| Number of ratings | **21** | 3 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 15 months** |
| Monetization | Paid | Paid |
| Size | 21 MB | 2 MB |
| Requires iOS | 15 | **14.5** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nembrini Audio](https://appshunter.io/developer/1493296895) | [Giovanny Bermudez](https://appshunter.io/developer/1658242896) |

## What reviewers say

### PSA1000 Jr

[App page](https://appshunter.io/ios/app/psa1000-jr/id1498486583)

This audio plugin emulates a classic '90s analog guitar preamp, offering rich saturation for guitars, keyboards, bass, and vocals. It includes modern features like a dry/wet mix knob and phase reverse for enhanced versatility in recording and mixing.

**Highlights:** Analog saturation emulation, Dry/Wet mix knob, Phase Reverse switch, In and Out level controls, Standalone, AUv3, and IAA support

**Features:** Vision Pro support

**In-app purchases:** none


### Additive Drum Machine

[App page](https://appshunter.io/ios/app/additive-drum-machine/id1658242894)

Create unique drum beats with additive rhythm and traditional drum machine functionality. Design sequences of any length and structure, easily switching steps on and off to craft complex patterns. Ideal for practicing odd meters and exploring diverse rhythmic structures.

**Highlights:** Additive rhythm concept, Traditional drum machine interface, Customizable sequence length, Step sequencing, Odd meter support, Symmetrical and asymmetrical rhythms

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

**In-app purchases:** none


## Frequently asked questions

### Is PSA1000 Jr free?

PSA1000 Jr costs $14.99, with no in-app purchases.

### Is Additive Drum Machine free?

Additive Drum Machine costs $2.99, with no in-app purchases.

### Which has better reviews, PSA1000 Jr or Additive Drum Machine?

PSA1000 Jr and Additive Drum Machine are both rated 5.0 out of 5 on the App Store, from 21 and 3 ratings respectively.

### Do PSA1000 Jr or Additive Drum Machine have ads?

Neither PSA1000 Jr nor Additive Drum Machine shows ads.

### Which is updated more often, PSA1000 Jr or Additive Drum Machine?

PSA1000 Jr ships an update every 17 months, and Additive Drum Machine every 15 months. Most recently, PSA1000 Jr was updated on October 15, 2026 and Additive Drum Machine on October 7, 2026.

---

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