Comparison

MetroBPM vs Lead Sheets XML

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

Head to head
About

MetroBPM

This app provides a real-time tempo detector and metronome for musicians. It uses your device's microphone to analyze rhythmic music and offers customizable metronome sounds and visualizations. Optimized for live performance with a modern design and live activity support.

Highlights
  • Real-time tempo detection
  • Live metronome with selectable sounds
  • Tempo history plot
  • Tap-to-detect tempo
  • App icon shortcuts
  • Live Activity & Dynamic Island support
Features
Read full description

Measure your tempo for practice and live performance. MetroBPM combines a Live Tempo Detector with a Metronome in your pocket. It uses your device's microphone to detect tempo from percussive/rhythmic music in Real-Time. Designed for drummers, percussionists, dance musicians and DJs. - Features - • Real-time detection of tempo from rhythmic music • Tempo history plot • Metronome with selectable sounds • Tap-to-detect tempo • Clock / timer for live performance or practice • Quickly launch frequently used tempo by tap-hold app icon • No Ads or Subscription - Modern Design - • Optimized for live on-stage use on iPhone, iPhone Duo and iPad • Dark mode for low-power usage on OLED displays • Live Activity & Dynamic Island Support (monitor and control from Home Screen, Lock Screen and supported Watch OS) Note: Tempo detection optimized for rhythmic / percussive music in quadruple, 6/8 time signatures, performance may vary. Works best with live music in low background noise.

About

Lead Sheets XML

Effortlessly transpose musical scores in real-time. Load MusicXML files, select your desired key and clef, and instantly generate a clear, readable score on your mobile device. Ideal for singers, instrumentalists, and those using transposing or alternate clef instruments.

Highlights
  • Transpose MusicXML files on the fly
  • Switch between treble, bass, and alto clefs
  • Automatic transposition for Bb and other instruments
  • Export transposed scores as PDFs
  • Works offline
  • Import from cloud storage
Features
Read full description

Lead Sheets XML is built for any musician who has ever needed to transpose music in the moment. Load a MusicXML lead sheet, pick your key and clef, and get a clean, readable score in seconds — no desktop software, no reprinting.  WHO IT'S FOR  Singers: transpose any chart to your key and share a clean PDF with your band and accompanist in seconds.  Instrumentalists: adjust the key on the fly to match your singer, or accommodate a last-minute key change without reprinting a thing.  Bb instruments (or any other transposing instrument): always have your music in the right transposition — no more mental math mid-rehearsal.  "Alternate clef" instruments (viola, cello, you know who you are) : switch any treble-clef chart to alto/tenor/bass clef instantly, and adjust the octave to fit your range.  WHAT IT DOES  - Renders MusicXML files directly on your iPhone or iPad — no conversion needed  - Transpose to any key with a tap  - Switch between treble, bass, and alto clef  - Shift octaves up or down  - Set your instrument once — Bb, Eb, F, etc... and transposition is automatic on every file you open  - Export a correctly transposed PDF to share or print  - Works offline — no internet connection required  - Open files from iCloud Drive, Google Drive, Dropbox, or any cloud storage compatible with iOS - Import and save files locally for offline access  - Export to PDF to use with forScore and MobileSheets TESTED BY MUSICIANS - Used by musicians on stage, workshops, and rehearsals. Beta tested by singers and instrumentalists. MUSICXML COMPATIBILITY  - Works with MusicXML files exported from Sibelius, Finale, MuseScore, Dorico, and iReal Pro.  - Requires iOS 14.0 or later.

Screenshots

MetroBPM4 screens
Lead Sheets XML4 screens

Verdict

The call

The clearest difference is price: MetroBPM at $3.99 against Lead Sheets XML's $9.99. Lead Sheets XML's advantage is iOS requirement (15.6 vs 17.6). On rating, ratings volume, 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

MetroBPM costs $3.99 and Lead Sheets XML $9.99 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 MetroBPM against 5.0 for Lead Sheets XML. Both are backed by a comparable volume of ratings — 6 and 5 respectively.

UpkeepUpdate frequency

MetroBPM ships an update every 3 weeks, Lead Sheets XML monthly. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 8 level
MetroBPM versus Lead Sheets XML: the parameters behind the verdict, then further details
ParameterMetroBPMLead Sheets XML
Price$3.99 — better$9.99
Rating5.0 (6 ratings)5.0 (5 ratings)
Positive reviews—100.0% of reviews
Number of ratings6 — better5
Update frequencyEvery 3 weeks — betterMonthly
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS17.615.6 — better
Further details — not scored
Size7 MB12 MB
Age rating4+4+
DeveloperQi YangRichard Zobel

Customer experience

MetroBPM

All ratings6 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Lead Sheets XML

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

MetroBPM

No in-app purchases

None

Lead Sheets XML

No in-app purchases

Questions

Is MetroBPM free?
MetroBPM costs $3.99, with no in-app purchases.
Is Lead Sheets XML free?
Lead Sheets XML costs $9.99, with no in-app purchases.
Which has better reviews, MetroBPM or Lead Sheets XML?
MetroBPM and Lead Sheets XML are both rated 5.0 out of 5 on the App Store, from 6 and 5 ratings respectively.
Do MetroBPM or Lead Sheets XML have ads?
Neither MetroBPM nor Lead Sheets XML shows ads.
Which is updated more often, MetroBPM or Lead Sheets XML?
MetroBPM ships an update every 3 weeks, and Lead Sheets XML monthly. Most recently, MetroBPM was updated on October 30, 2026 and Lead Sheets XML on October 31, 2026.

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