Comparison

MusicMath vs DelayTool

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

DelayTool

This application helps musicians and sound engineers calculate precise timing values for musical subdivisions. It automatically updates a table of milliseconds and Hertz based on the entered tempo, ideal for setting up delays and oscillators.

Highlights
  • BPM calculator
  • Tempo input and tap tempo
  • Automatic table updates
  • Calculates milliseconds and Hertz
  • Supports common musical subdivisions
  • Precise delay and oscillator setup
Features
Read full description

DelayTool is a simple BPM calculator for producers, engineers, and musicians. Enter or tap the tempo and watch the table of values update automagically. For each common musical subdivision, you will see times (in milliseconds and Hertz) for the current tempo. Just what you need to precisely set up delays and oscillators!

Screenshots

MusicMath4 screens
DelayTool1 screens

Verdict

The call

The clearest difference is rating: DelayTool at 5.0 against MusicMath's 4.3. DelayTool also leads on price ($0.99 vs $9.99). MusicMath's advantage is update cadence (every 7 months vs every 42 months) and device support (4 vs 2). On review sentiment, ratings volume, ads and in-app purchases 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

MusicMath costs $9.99 and DelayTool $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

DelayTool holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 12 and 5 respectively. Written reviews complicate that: 73% of MusicMath's written reviews are positive against 67% of DelayTool's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

MusicMath ships an update every 7 months, DelayTool every 42 months. The most recent releases landed on September 19, 2026 and September 18, 2026 respectively.

Scorecard5 real differences · 5 level
MusicMath versus DelayTool: the parameters behind the verdict, then further details
ParameterMusicMathDelayTool
Price$9.99$0.99 — better
Rating4.3 (12 ratings)5.0 (5 ratings) — better
Positive reviews73.3% of reviews — better66.7% of reviews
Number of ratings12 — better5
Update frequencyEvery 7 months — betterEvery 42 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad
Requires iOS13.0 — better26.0
Further details — not scored
Size12 MB2 MB
Age rating4+4+
DeveloperLaurent ColsonJoel Perry

Customer experience

MusicMath

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

DelayTool

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive66.7%
Neutral33.3%
Negative0.0%

In-app purchases

None

MusicMath

No in-app purchases

None

DelayTool

No in-app purchases

Questions

Is MusicMath free?
MusicMath costs $9.99, with no in-app purchases.
Is DelayTool free?
DelayTool costs $0.99, with no in-app purchases.
Which has better reviews, MusicMath or DelayTool?
DelayTool is rated higher. MusicMath averages 4.3 out of 5 from 12 ratings, while DelayTool averages 5.0 from 5 ratings.
Do MusicMath or DelayTool have ads?
Neither MusicMath nor DelayTool shows ads.
Which is updated more often, MusicMath or DelayTool?
MusicMath ships an update every 7 months, and DelayTool every 42 months. Most recently, MusicMath was updated on September 19, 2026 and DelayTool on September 18, 2026.

Other comparisons