MTI Player vs KMDB Keller
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MTI Player
This app allows users to play show scores using performance accompaniment recordings. It provides essential resources for musical theatre productions, offering immediate assistance for any emergencies during a show.
- Play show scores
- Performance accompaniment recordings
- Emergency production support
- Proprietary playback technology
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The MTI Player is Music Theatre International’s proprietary app designed to play a show’s score using the Performance Accompaniment Recording resource. For emergency help during your production, please contact 1-888-340-3505 for immediate assistance.
KMDB Keller
Engage with your favorite radio shows by sending personalized messages and topic suggestions. Stay updated with program schedules and social media feeds directly within the app.
- Send personalized audio shoutouts
- Receive show playing notifications
- Follow social media feeds
- Submit topic suggestions and ideas
- Browse program schedule
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KMDB Keller Rocks!
Screenshots
Verdict
The clearest difference is review sentiment: KMDB Keller at 100% against MTI Player's 14%. KMDB Keller also leads on rating (4.9 vs 2.6) and iOS requirement (13.0 vs 15.0). MTI Player's advantage is ads (none vs shown) and update cadence (every 6 months vs every 25 months). On price, ratings volume, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
KMDB Keller holds the better App Store score, 4.9 against 2.6. Both are backed by a comparable volume of ratings — 89 and 68 respectively. Written reviews point the same way: 14% of MTI Player's written reviews are positive against 100% of KMDB Keller's.
MTI Player ships an update every 6 months, KMDB Keller every 25 months. The most recent releases landed on November 6, 2026 and November 4, 2026 respectively.
| Parameter | MTI Player | KMDB Keller |
|---|---|---|
| Price | Free | Free |
| Rating | 2.6 (89 ratings) | 4.9 (68 ratings) — better |
| Positive reviews | 14.3% of reviews | 100.0% of reviews — better |
| Number of ratings | 89 — better | 68 |
| Update frequency | Every 6 months — better | Every 25 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 27 MB |
| Age rating | 4+ | 17+ |
| Developer | Music Theatre International | KMDB Keller |
Customer experience
MTI Player
KMDB Keller
In-app purchases
MTI Player
No in-app purchases
KMDB Keller
No in-app purchases









