Comparison

MusicMath vs DDP Player

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

Head to head
About

MusicMath

This musical tool offers a comprehensive suite of calculators for audio professionals and musicians. It includes converters for timecode, tempo, note frequencies, and sample lengths, alongside a tap tempo metronome and detailed note-to-frequency tables with customizable temperaments.

Highlights
  • Timecode calculator with frame format management
  • Tap tempo with metronome
  • Tempo to delay (milliseconds/hertz) converter
  • Note to frequency converter with temperaments
  • Sample length converter
  • Frequency to note converter
Features
Read full description

"MusicMath" is a musical tool that includes a timecode calculator, a tap tempo, a tempo to delay in milliseconds and hertz converter, a note to frequency table converter, a sample length converter, a tempo change converter, and a frequency to note converter. Timecode calculator: • Add and subtract timecodes or frames • Convert a number of frames to timecodes • Simultaneously convert the number of frames and the timecode • Conversion of timecode when changing the frame format • Managing frame formats 23.976 fps, 24 fps, 25 fps, 29.94 fps, 29.97 fps, 29.97 fps drop frame, 30 fps, 50 fps, 59.94 fps, 60 fps • Real-time display for formats 23.976 fps, 29.94 fps, 29.97 fps, 59.94 fps • Unlimited history calculations • History can be saved and exported to other applications Tap tempo: • Improved algorithm for impresize tap • Metronome • Transfer calculated tempo to other MusicMath tools Tempo to delay table: • Convert tempo to milliseconds and hertz • Convert for whole-note, half-note, quarter-note, eighth-note, sixteenth-note, thirty-note, and sixty-fourth-note for dotted notes and triplets Note to frequency table: • Convert MIDI notes to frequencies • Adjustable diapason and root note • One hundred selectable temperaments • Visualization of intervals in cents for each temperament • Taking into account the temperament for the calculation of frequencies • Plays piano sound when notes are touched Sample length converter: • Convert length between samples, milliseconds, and tempo Tempo change converter: • Calculates tempo change by ratio (%) and transposition Frequency to note converter: • Convert a frequency to the closest note and the cents needed • Plays the frequency

About

DDP Player

Listen to DDP images on your Apple device. This app allows artists and producers to review masters, checking CD text, ISRC codes, and track spacing. It supports loading DDPs from cloud storage, clipboard links, or iTunes.

Highlights
  • Reads DDP images
  • Supports industry-standard DDP protocol
  • Loads DDPs from Dropbox, clipboard, or iTunes
  • Displays CD text and ISRC codes
  • Shows track numbering and spacing
  • Requires desktop or OEM serial number/key
Features
Read full description

The Sonoris DDP Player is an app that reads DDP images to listen to on your Apple device. The industry standard DDP protocol is supported by all major CD and even vinyl pressing plants, and ensures an error free transfer and manufacture of your master. Whether you are an artist that wants to listen to the final DDP master of your new album or you are a studio owner or producer and want a efficient and quick way to have your masters approved, this app is for you. It can load DDPs directly from a Dropbox account, a download link in the clipboard memory or through the iTunes app. Once downloaded you can open the DDP and see any CD text and ISRC codes, track numbering and spacing, exactly as the mastering engineer has meant it. To use it you need one of these: • a serialnumber for the desktop version of the Sonoris DDP Player or DDP Creator. • a key for the (branded) Sonoris DDP Player OEM. Ask your mastering studio.

Screenshots

MusicMath4 screens
DDP Player3 screens

Verdict

The call

The clearest difference is price: DDP Player at Free against MusicMath's $9.99. DDP Player also leads on update cadence (every 3 months vs every 7 months) and iOS requirement (9.0 vs 13.0). MusicMath's advantage is rating (4.3 vs 3.0) and review sentiment (73% vs 50%). On 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

DDP Player is free to download; MusicMath costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

MusicMath holds the better App Store score, 4.3 against 3.0. That said, the two scores are not equally well evidenced: MusicMath has 12 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 73% of MusicMath's written reviews are positive against 50% of DDP Player's.

UpkeepUpdate frequency

MusicMath ships an update every 7 months, DDP Player every 3 months. The most recent releases landed on September 28, 2026 and June 11, 2026 respectively.

Scorecard7 real differences · 3 level
MusicMath versus DDP Player: the parameters behind the verdict, then further details
ParameterMusicMathDDP Player
Price$9.99Free — better
Rating4.3 (12 ratings) — better3.0 (2 ratings)
Positive reviews73.3% of reviews — better50.0% of reviews
Number of ratings12 — better2
Update frequencyEvery 7 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS13.09.0 — better
Further details — not scored
Size12 MB11 MB
Age rating4+4+
DeveloperLaurent ColsonPieter Stenekes

Customer experience

MusicMath

All ratings12 ratings
Positive75.0%
Neutral16.7%
Negative8.3%
Written reviews30 reviews
Positive73.3%
Neutral10.0%
Negative16.7%

DDP Player

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

None

MusicMath

No in-app purchases

None

DDP Player

No in-app purchases

Questions

Is MusicMath free?
MusicMath costs $9.99, with no in-app purchases.
Is DDP Player free?
DDP Player is free to download, with no in-app purchases.
Which has better reviews, MusicMath or DDP Player?
MusicMath is rated higher. MusicMath averages 4.3 out of 5 from 12 ratings, while DDP Player averages 3.0 from 2 ratings.
Do MusicMath or DDP Player have ads?
Neither MusicMath nor DDP Player shows ads.
Which is updated more often, MusicMath or DDP Player?
MusicMath ships an update every 7 months, and DDP Player every 3 months. Most recently, MusicMath was updated on September 28, 2026 and DDP Player on June 11, 2026.

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