Comparison

PSA1000 Jr vs Additive Drum Machine

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

PSA1000 Jr

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
Read full description

The PSA1000 Jr Analog Saturation Unit plugin is a modern recreation of a '90s classic analog guitar preamp which is used in recording studios all around the world! It is used and "abused" for recording and characterizing not only guitars but also electric pianos, organs, synthesizers, electric basses and many other instruments. The original unit has found its place even in the mix stage for processing all type of sounds, as drum rooms, percussions, vocals, kicks, snares and sound fx too! For creating the PSA1000 Jr Analog Saturation Unit plugin, Nembrini Audio has carefully modeled the original analog circuits and finely refined it by ear as all its products. Nembrini Audio also adds new features that brings the PSA1000 Analog Saturation Unit plugin to modern days: - Dry/Wet mix knob for both channels - Phase Reverse switch to take advantage of the original phase changes in the real analog unit when used in parallel - In and Out level knobs for maximum versatility Works as a standalone app, AudioUnit v3 effect, or Inter-App Audio effect

About

Additive Drum Machine

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
Read full description

With Additive Drum Machine you can create drum beats using the concept of “additive rhythm” in combination with the sounds and ease of use of a traditional drum machine. Construct step sequences of any length and structure by the chaining of "long" and "short" beats. Then switch on and off individual steps to create a drum pattern. Whether used as a practice tool or composition sketchpad, its intuitive interface allows you to easily make drum patterns that use odd meters, symmetrical and asymmetrical rhythmic structures, and various subdivisions of the pulse. With Additive Drum Machine your musical imagination is the limit.

Screenshots

PSA1000 Jr1 screens
Additive Drum Machine4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 8 level
PSA1000 Jr versus Additive Drum Machine: the parameters behind the verdict, then further details
ParameterPSA1000 JrAdditive Drum Machine
Price$14.99$2.99 — better
Rating5.0 (21 ratings)5.0 (3 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings21 — better3
Update frequencyEvery 17 monthsEvery 15 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS1514.5 — better
Further details — not scored
Size21 MB2 MB
Age rating4+4+
DeveloperNembrini AudioGiovanny Bermudez

Customer experience

PSA1000 Jr

All ratings21 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Additive Drum Machine

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

PSA1000 Jr

No in-app purchases

None

Additive Drum Machine

No in-app purchases

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.

Other comparisons