Comparison

Chorus Lesson vs Loop Slower

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

Head to head
About

Chorus Lesson

This app functions as a MIDI player designed for personal choral practice. It allows users to isolate individual parts, adjust volume and panning, and change playback speed for tailored practice sessions. Standard MIDI files can be played, with additional song data available for purchase.

Highlights
  • MIDI player for choral practice
  • Mute, solo, volume, panning per part
  • Adjustable playback speed
  • Play standard MIDI files
  • Purchase song data in-app
Features
Read full description

Chorus Lesson is a kind of MIDI player, build for the use of personal lesson of chorus. The app allows you set mute, soloed, volume, panning and instrument for each part. You may check your melody line by enabling only your part. Then, sing hearing the overall flow and sound of other parts. You may also change the playing speed, you can practice your part carefully at your suitable tempo. You can play standard MIDI files with this app. In addition, we have a Song Data Shop in this app. You can purchase and download song data in-app purchase. These songs in the shop are originally created for use with this app. Currently, the number of songs is small, but we will gradually increase it. * Some MIDI files may not be played well because of too many parts in the file. We assume a midi file contains five to six parts of SATB and accompaniment piano + some more parts. And we recommend MIDI file of format type 1, although you may still use type 0. Interchangeablitiy: We have tested MIDI files generated by applications belows and some unknown apps. Finale(mac) Notion(iPad) Nanostudio2(iPad) Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Loop Slower

Features
Read full description

A simple tool that allows you to loop a section of a song and adjust the playback speed. Perfect for anyone who’s practicing an instrument and want to jam along at desired speed, or when transcribing a song. The app offers: - Changing playback speed - Looping particular section of a song - Saving loops and speed per song automatically - Searching and playing songs from your library (on device) - Searching and playing songs on Apple Music* - Recently played songs for quick access * playing full songs on Apple Music requires an active Apple Music subscription.

Screenshots

Chorus Lesson4 screens
Loop Slower4 screens

Verdict

The call

The clearest difference is in-app purchases: Loop Slower at none against Chorus Lesson's 10. Loop Slower also leads on price ($0.99 vs $2.99) and iOS requirement (17.1 vs 26.0). Chorus Lesson's advantage is update cadence (every 2 weeks vs every 12 months). On ads and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Chorus Lesson costs $2.99 and Loop Slower $0.99 up front. Chorus Lesson sells 10 one-off in-app purchases. Loop Slower asks for nothing beyond the download.

UpkeepUpdate frequency

Chorus Lesson ships an update every 2 weeks, Loop Slower every 12 months. The most recent releases landed on September 30, 2026 and September 17, 2026 respectively.

Scorecard4 real differences Β· 4 level
Chorus Lesson versus Loop Slower: the parameters behind the verdict, then further details
ParameterChorus LessonLoop Slower
Price$2.99$0.99 β€” better
Positive reviews0.0% of reviewsβ€”
Update frequencyEvery 2 weeks β€” betterEvery 12 months
AdsNoNo
In-app purchasesYesNo β€” better
MonetizationFree with in-app purchasesβ€”
DevicesiPhoneiPhone, iPad β€” better
Requires iOS26.017.1 β€” better
Further details β€” not scored
Size228 MB5 MB
Age rating4+9+
DeveloperNOKKEUSI Inc.Algirdas Gridziuska

In-app purchases

10 purchases

Chorus Lesson

One-time10
  • 30-days Trial for freeFree
  • BWV227 All throughFree
  • BWV226-1 Bars 1-145Free
Show 7 more
  • Trial for 14 daysFree
  • BWV226-2 Bars146-244$0.99
  • BWV226-3 Bars245-268$0.99
  • BWV226 Complete set$0.99
  • BWV225 Complete set$0.99
  • BWV228; FΓΌrchte dich nicht,...$0.99
  • BWV229; Komm, Jesu, komm$0.99
None

Loop Slower

No in-app purchases

Questions

Is Chorus Lesson free?
Chorus Lesson costs $2.99, and also offers in-app purchases.
Is Loop Slower free?
Loop Slower costs $0.99, with no in-app purchases.
Do Chorus Lesson or Loop Slower have ads?
Neither Chorus Lesson nor Loop Slower shows ads.
Which is updated more often, Chorus Lesson or Loop Slower?
Chorus Lesson ships an update every 2 weeks, and Loop Slower every 12 months. Most recently, Chorus Lesson was updated on September 30, 2026 and Loop Slower on September 17, 2026.

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