Comparison

Tempo Lab Pro vs ScoreShelf

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

Head to head
About

Tempo Lab Pro

Features
Read full description

TempoLab Pro helps you practice and study audio your way. WHAT YOU CAN DO • Tempo — Slow down or speed up playback while keeping pitch stable (within the app's supported range). • Pitch — Shift by semitones to match your instrument or vocal range. • Loop — Repeat a section for focused practice. • Markers — Save positions and jump back to important moments. • Effects and practice — Five-band EQ and practice mode to shape your session. WORKFLOW Import audio from the Files app or share a file into TempoLab Pro. View waveform context, control playback, and export your adjusted audio when you need a file to keep or share. DESIGNED FOR Musicians, singers, dancers, language learners, and anyone who works with tempo and pitch. OPTIONAL UPGRADE Remove ads and unlock home screen customization (panel order and visibility). Purchase is optional; core playback features remain available without it. Terms of Use: https://zukiapps.com/tempoLabPro/terms Feedback We welcome your suggestions. Use Feedback in Settings, or email zuki.apps.dev@gmail.com.

About

ScoreShelf

Features
Read full description

ScoreShelf is a simple sheet music viewer designed to help you manage PDF scores comfortably on iPad. Import PDFs into your library, organize them as scores, and quickly resume practice from the last page you opened. With Apple Pencil support, you can write notes and marks directly on your scores, just like on paper. Bookmarks let you remember pages you often return to or important places in a score. You can also save current practice locations as “Practice Spots,” so you can return to the parts you want to work on next without searching. Practice History helps you look back on your practice in a quiet, visual way. You can view a calendar-style heatmap of your practice, see which scores you worked on in the past, and return directly to the score and page you were practicing. ScoreShelf is not an app that pushes you to practice or judges your progress. It is a quiet shelf for your daily practice, remembering the scores you need, your handwritten notes, your practice history, and the places you are working on. Main Features: ・Import and manage sheet music PDFs ・PDF score viewer ・Write with Apple Pencil ・Save handwritten notes per page ・Bookmarks ・Practice Spot management ・Practice History with calendar-style heatmap ・View previously practiced scores and pages ・Return directly to a score and page from practice history ・Remember the last opened page ・Show today’s time spent on each score If you manage sheet music as PDFs but find it hard to write notes, keep track of practice locations, or look back on what you have practiced, ScoreShelf is a simple and calm score management app for you.

Screenshots

Tempo Lab Pro4 screens
ScoreShelf1 screens

Verdict

The call

The clearest difference is in-app purchases: ScoreShelf at none against Tempo Lab Pro's 1. ScoreShelf also leads on ads (none vs shown). Tempo Lab Pro's advantage is iOS requirement (15.0 vs 18.6). On price, update cadence 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

Both are free to download. Tempo Lab Pro sells 1 one-off in-app purchase. ScoreShelf asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 10, 2026 and September 8, 2026 respectively.

Scorecard3 real differences · 3 level
Tempo Lab Pro versus ScoreShelf: the parameters behind the verdict, then further details
ParameterTempo Lab ProScoreShelf
PriceFreeFree
Update frequencyEvery 3 weeksEvery 3 weeks
AdsYesNo — better
In-app purchasesYesNo — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better18.6
Further details — not scored
Size59 MB14 MB
Age rating4+4+
DeveloperLior ZukmanHiroshi Kojima

In-app purchases

1 purchases

Tempo Lab Pro

One-time1
  • Tempo Lab Pro$3.99
None

ScoreShelf

No in-app purchases

Questions

Is Tempo Lab Pro free?
Tempo Lab Pro is free to download, with in-app purchases available.
Is ScoreShelf free?
ScoreShelf is free to download, with no in-app purchases.
Do Tempo Lab Pro or ScoreShelf have ads?
Tempo Lab Pro shows ads; ScoreShelf does not.
Which is updated more often, Tempo Lab Pro or ScoreShelf?
Tempo Lab Pro ships an update every 3 weeks, and ScoreShelf every 3 weeks. Most recently, Tempo Lab Pro was updated on September 10, 2026 and ScoreShelf on September 8, 2026.

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