MTI RehearScore vs The Score Stack
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MTI RehearScore
This app provides a virtual accompanist for musicians and theater performers. It offers full musical scores with adjustable tempos, looping capabilities, and the ability to isolate or remove individual vocal tracks. Users can also transpose songs, jump to specific measures, and add cuts or vamps.
- Virtual accompanist for rehearsals
- Adjustable tempo and looping
- Isolate/remove vocal tracks
- Transpose songs to different keys
- Jump to any measure
- Add cuts and vamps
- Save and distribute changes
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Learn your music and run rehearsals right from your mobile device using the new RehearScore App! Sometimes, finding a rehearsal pianist that meets your budgeting and scheduling needs can be challenging. The new RehearScore® is a complete digital rendition of the Piano-Conductor Score, sequenced by a top Broadway accompanist, precisely the way the composer intended. Every musical number (including scene changes, dance music, and underscoring) is recorded in its entirety so you can rehearse even if you don’t have a pianist. ● Every cast member can have access to RehearScore® ○ Simply download the App right from the App Store to access your show! ● Conduct dance or choral rehearsals. ○ With the ability to change the tempo and loop a dance break, you can run multiple rehearsals at once without the need of a separate pianist or recording. ● Find the right key – transpositions are easy. ○ Adjust your songs into the key that best suits your performer. ● Isolate, increase, or remove any particular vocal line. ○ Because each singer’s part has been recorded on a separate track, it can be played back with or without accompaniment (or louder or softer, relative to the accompaniment). ● Click and jump to any measure. ○ Measure numbers match each individual score. ● Add cuts and vamps. ○ Edit the songs down to the specific cutting you need and find the perfect number of vamps you’ll need in each song. ● Save your changes. ○ After adjusting the songs, save your changes to distribute to your cast and crew. For more information on Music Theatre International and RehearScore, please visit https://www.mtishows.com/marketplace/resource/pre-performance/rehearscore.
The Score Stack
This app helps music groups collaborate by providing tools for sharing sheet music, practice tracks, and managing group members. It includes integrated messaging and a calendar for scheduling events and rehearsals.
- Group creation and customization
- Sheet music and practice track uploads
- Member roles and permissions
- Integrated messaging and announcements
- Event and rehearsal calendar
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Everything your chorus needs, in one app. Sheet music, practice tracks, the rehearsal calendar, and the group chat - together, on every singer's phone, and working offline when the rehearsal room has no signal. MUSIC AND PRACTICE TRACKS Scores and part-dominant learning tracks in the same place, so a singer can read and listen without switching apps. Everything downloads to the phone, so it still opens when there is no signal. DIRECTOR'S MARKINGS Mark up a score once and push it to the whole section. Everyone rehearses from the same breath marks and cuts. CALENDAR AND RSVPS Rehearsals and performances with attendance responses, plus a feed your singers can subscribe to in their own calendar app. MESSAGING THAT STAYS Group and section conversations that do not scroll away, with announcements that reach everyone. SETLISTS AND SHOWTIME Build the setlist for a concert and publish a live program page. Put a QR code on the printed program and the audience follows along. FOR BARBERSHOP CHAPTERS A built-in tag library with all four parts recorded, alongside your chapter's sheet music, section tracks and rehearsal schedule. GET YOUR SINGERS IN QUICKLY Share one QR code at rehearsal and the room joins at once, or read out the short join code for anyone who has to install the app first. WHO IT IS FOR Barbershop choruses and quartets, community choirs, church and worship teams, school and college choirs, and small ensembles of every kind. Free for groups of 8 or fewer. No card required.
Screenshots
Verdict
The clearest difference is review sentiment: The Score Stack at 100% against MTI RehearScore's 31%. The Score Stack also leads on rating (5.0 vs 2.8) and update cadence (every 2 weeks vs every 3 months). MTI RehearScore's advantage is ratings volume (195 vs 15) and iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and monetization model 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
The Score Stack holds the better App Store score, 5.0 against 2.8. That said, the two scores are not equally well evidenced: MTI RehearScore has 195 ratings behind it against 15, so its average is the more settled of the two. Written reviews point the same way: 31% of MTI RehearScore's written reviews are positive against 100% of The Score Stack's.
MTI RehearScore ships an update every 3 months, The Score Stack every 2 weeks. The most recent releases landed on October 16, 2026 and October 15, 2026 respectively.
| Parameter | MTI RehearScore | The Score Stack |
|---|---|---|
| Price | Free | Free |
| Rating | 2.8 (195 ratings) | 5.0 (15 ratings) — better |
| Positive reviews | 31.2% of reviews | 100.0% of reviews — better |
| Number of ratings | 195 — better | 15 |
| Update frequency | Every 3 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 13 MB | 65 MB |
| Age rating | 4+ | 4+ |
| Developer | Music Theatre International | Hunter John Adam |
Customer experience
MTI RehearScore
The Score Stack
Bugs and requests
MTI RehearScore
Reported bugs
14 issues- Audio doesn't work on specific iOS versions (iOS 15.4, iOS 16, iPhone 7)
- Sound fails intermittently despite correct volume settings
- App crashes and closes unexpectedly
- Music disappears mid-playback requiring restart
- Practice loop skips random measures
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- Vocal parts not clearly labeled or inconsistently named
- Rhythm timing sounds off and clunky
- App stops playing when notifications arrive
- Device sleep/screen lock stops playback
- Inconsistent performance between iPhone and iPad
- Login credentials don't work after app reinstall
- Missing vocal parts for certain musicals
- Audio output inconsistency across devices
- Vamp sections have synchronization issues
Requested features
15 requests- Display full lyrics on screen (karaoke-style)
- Allow background audio playback while using other apps
- Prevent device from sleeping during playback
- Add diverse MIDI instrument options for vocal parts
- Support for landscape mode and iPad multitasking
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- Measure-by-measure forward/backward navigation buttons
- Save default track mix settings per show
- Auto-advance feature for vamps
- Website/desktop version for broader device compatibility
- Better documentation of ringer requirement
- Ability to edit/cut measures for modified arrangements
- Different instruments for singers vs accompaniment
- Improved drag bar sensitivity for seeking
- Keep phone awake during playback
- Account creation prompts for new users
The Score Stack
Not enough reviews yet to summarise bugs or requests.
In-app purchases
MTI RehearScore
No in-app purchases
The Score Stack
No in-app purchases
Questions
Is MTI RehearScore free?
Is The Score Stack free?
Which has better reviews, MTI RehearScore or The Score Stack?
Do MTI RehearScore or The Score Stack have ads?
Which is updated more often, MTI RehearScore or The Score Stack?
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