MonitorMix vs Number System Trainer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MonitorMix
Control individual mix, matrix, and auxiliary buses wirelessly from your mobile device. Performers can easily adjust their assigned buses without complex settings, creating personalized group adjustments for simplified control.
- Wireless personal mixing
- Control MIX/MATRIX/AUX buses
- Individual performer control
- Simplified settings
- Customizable group settings
- One-fader level adjustment
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The MonitorMix application for the Yamaha Digital Mixer RIVAGE PM/DM7/DM5/DM3/CL/QL/TF series allows individual wireless MIX/MATRIX/AUX mixing from iPhone, iPad or iPod touch devices. Each performer can have convenient control over the MIX/MATRIX/AUX buses assigned to them, without having to deal with complex settings or parameters. They can also create personal Group settings for even easier adjustment: all levels on just one fader, for example.
Number System Trainer
Learn and master the Nashville Number System for music. This app offers interactive modules to help musicians of all levels understand chord progressions, transpose songs, and improve their ear training. It's designed for quick learning and on-the-fly musical communication.
- Interactive learning modules
- Chord reading and identification
- Instant transposition
- Ear training exercises
- Visual chord shapes
- Circle of 4ths & 5ths reference
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Number System Trainer teaches you the Nashville Number System — the method worship musicians and session players use to learn songs fast, transpose on the fly, and communicate with any musician in any key. Whether you're a beginner who only knows 3 chords or an experienced worship leader, this app meets you where you are. 6 INTERACTIVE MODULES • Learn — A 5-step intro to how the number system works • Read Charts — 4 levels from basic chords to slash chords • Transpose — Move full progressions to any key instantly • Ear Training — 3 levels, identify chords just by listening • Play Along — See piano and guitar shapes in every key, with capo tips built in • Circle of 4ths & 5ths — Tap any key to see all 7 chords No login required. Works instantly.
Screenshots
Verdict
The clearest difference is review sentiment: Number System Trainer at 100% against MonitorMix's 16%. Number System Trainer also leads on rating (5.0 vs 3.0) and update cadence (weekly vs every 7 months). MonitorMix's advantage is monetization model (free vs free with in-app purchases) and ratings volume (87 vs 10). On price, ads, 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.
Number System Trainer holds the better App Store score, 5.0 against 3.0. That said, the two scores are not equally well evidenced: MonitorMix has 87 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 16% of MonitorMix's written reviews are positive against 100% of Number System Trainer's.
MonitorMix ships an update every 7 months, Number System Trainer weekly. The most recent releases landed on September 21, 2026 and September 14, 2026 respectively.
| Parameter | MonitorMix | Number System Trainer |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (87 ratings) | 5.0 (10 ratings) — better |
| Positive reviews | 16.1% of reviews | 100.0% of reviews — better |
| Number of ratings | 87 — better | 10 |
| Update frequency | Every 7 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 16 | 15.0 — better |
| Further details — not scored | ||
| Size | 67 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Yamaha Corporation of America | Brandon Oaks |
Customer experience
MonitorMix
Number System Trainer
Bugs and requests
MonitorMix
Reported bugs
65 issues- IP address won't recognize '0'
- IP address deleting zeros when entering manually
- Cannot type IP addresses manually on iPhone
- App requests access to local network but doesn't show in settings
- iPhone stuck synchronizing
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- No audio with TF
- App doesn't auto-rotate
- List text difficult to read
- Network infrastructure issues
- Does not work with CL3
- Does not work with CL5 or QL5
- No audio with TF
- App doesn't find M7CL
- Does not work with QL5 on iPhone
- No connection for months
- Cannot connect TF5
- Connectivity issues
- New update not working on iOS
- New update issues
- Connection issue
- Won't connect
- Lock channel is TERRIBLE
- Connectivity issues
- Amazing app that breaks often
- Nope!
- Issues
- Can not connect TF5
- MM on iPhone
- Won’t work iPhone/DM7
- Was working perfectly.
- Recent update broke connection
- Not working on iPhone 11 Pro
- Would be 5 stars if it still worked
- Update broke app
- Worked on my iPad until recent update
- Cannot connect to TF5
- Issues connecting in current release
- LS9 unsupported??
- Is Yamaha planning to fix this app?
- Needs Fixed Update
- No longer working
- Happy
- This is a game changer!!!!
- Works great with QL5
- Cannot connect
- Will not connect
- App doesn’t work on Iphone
- Good except one key drawback
- BIG HELPER!!!!!
- Yamaha monitor mix
- Not usable.
- App doesn’t auto rotate
- A small request...
- Doesn't work QL5
- Wrong FIRMWARE
- Works awesome!
- Will not find M7CL
- No go with TF1 and D-Link router
- Does Not Work - Period
- EQ accessibility needed
- Tech Director
- Does not see the QL5
- Not working on CL5 or QL5
- No audio with TF
- Does not work with CL3
Requested features
4 requests- Keep phone awake while using app
- Control GEQ and PEQ for monitor
- Admin control over GEQ/PEQ activation
- Lighter text color for network list
Number System Trainer
Not enough reviews yet to summarise bugs or requests.
In-app purchases
MonitorMix
No in-app purchases
Number System Trainer
No in-app purchases
Questions
Is MonitorMix free?
Is Number System Trainer free?
Which has better reviews, MonitorMix or Number System Trainer?
Do MonitorMix or Number System Trainer have ads?
Which is updated more often, MonitorMix or Number System Trainer?
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