Comparison

Additive Drum Machine vs Compositor NTP

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

Head to head
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.

About

Compositor NTP

Features
Read full description

Compositor NTP is a single solution for metronome and Ethernet education. It is a real-time device, which uses physical modeling as a source for NTP synchronous signal. Using the iOS version you can transform your iPhone into rhythm modeling station. You can adjust parameters visible on the screen using menus, dials and virtual keyboard. All of the dials smoothly interpolate for click-free performance. Compositor NTP is your entry point into the world of Ethernet communications. It dynamically updates the sound engine in accordance to IP address settings for three loopback channels. - Compositor NTP is an instrument that uses upper-level C++ programming, which makes it available as a pure 64-bit DSP application - First ever musical metronome with odometry - Convenient tempo and tone control - Natal chart of Constellations and month year cycle - Simulation of Solar System objects - Audio loopback and packet simulation - Telescope style control over reverberation channel

Screenshots

Additive Drum Machine4 screens
Compositor NTP1 screens

Verdict

The call

The clearest difference is update cadence: Compositor NTP at every 2 months against Additive Drum Machine's every 15 months. Additive Drum Machine's advantage is iOS requirement (14.5 vs 16.2). On price, ads, in-app purchases and device support 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

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

UpkeepUpdate frequency

Additive Drum Machine ships an update every 15 months, Compositor NTP every 2 months. The most recent releases landed on September 21, 2026 and October 3, 2026 respectively.

Scorecard2 real differences · 8 level
Additive Drum Machine versus Compositor NTP: the parameters behind the verdict, then further details
ParameterAdditive Drum MachineCompositor NTP
Price$2.99$2.99
Rating5.0 (3 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings3 — better—
Update frequencyEvery 15 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.5 — better16.2
Further details — not scored
Size2 MB4 MB
Age rating4+4+
DeveloperGiovanny BermudezRuslan Yusipov

In-app purchases

None

Additive Drum Machine

No in-app purchases

None

Compositor NTP

No in-app purchases

Questions

Is Additive Drum Machine free?
Additive Drum Machine costs $2.99, with no in-app purchases.
Is Compositor NTP free?
Compositor NTP costs $2.99, with no in-app purchases.
Do Additive Drum Machine or Compositor NTP have ads?
Neither Additive Drum Machine nor Compositor NTP shows ads.
Which is updated more often, Additive Drum Machine or Compositor NTP?
Additive Drum Machine ships an update every 15 months, and Compositor NTP every 2 months. Most recently, Additive Drum Machine was updated on September 21, 2026 and Compositor NTP on October 3, 2026.

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