Comparison

Polymeter vs Tromix

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

Head to head
About

Polymeter

This metronome helps musicians practice complex time signatures and changing meters without constant resets. Create custom sequences, save them as songs, and share with bandmates.

Highlights
  • Combine multiple time signatures
  • Reorder bars with drag & drop
  • Create custom meters
  • Save and recall song sequences
  • Share songs with other musicians
Features
Read full description

Polymeter is a metronome designed for musicians who work with changing time signatures, odd meters, and complex arrangements so you never have to reset your click again. Key Features • Seamlessly combine multiple time signatures (4/4, 3/4, 6/8, 5/4, 7/8, 9/8) into a single continuous sequence. • Reorder instantly: drag & drop bars into the exact order you need • Custom meters: set custom beats + note values,, • Save & recall: save your sequence, title, and tempo as a song and reload anytime • Share a song to fellow musicians or band mates and they’ll be able to open it right in the app. Happy practicing!

About

Tromix

This comprehensive music tool offers a precision metronome, a 16-track drum machine with custom sample import, and a professional tuner. It also features a smart training system with multi-day plans and various exercise modes to enhance musical skills.

Highlights
  • Precision metronome with custom time signatures
  • 16-track drum machine with sample import
  • Professional tuner with pitch history
  • Smart training plans and exercises
  • Polyrhythm and ghost mode for rhythm training
  • Setlist management and performance HUD
  • iCloud sync across devices
Read full description

Tromix — The All-in-One Rhythm Workstation for Musicians Precision Beats × Drum Machine × Tuner × Smart Training PRECISION METRONOME • Sample-accurate audio engine, rock-solid timing • 30–300 BPM, standard + custom time signatures (up to 32 beats) • 6 tones: Digital, Woodblock, Rimshot, Bell, Soft, Deep • Per-beat subdivision & accent control (eighth notes through octuplets) • Quick presets: Front/Back Sixteenth, Dotted Eighth, Shuffle & more 16-TRACK DRUM MACHINE • 16 GM drum sounds with color-coded step grid • Velocity editing, Swing, 1–8 bars, 1/4 to 1/32 resolution • Pro mixer: per-track volume, pan, Mute/Solo, real-time meters • Custom sample import — use your own drum sounds • Random groove generator with creativity slider • MIDI & audio (WAV/M4A) import/export for DAW integration • Save, share & batch manage presets PROFESSIONAL TUNER • YIN algorithm — real-time note, octave & frequency detection • Precision cents gauge with green in-tune glow • Pitch history waveform for intonation tracking • 20+ presets: Guitar, Bass, Ukulele, Violin, Cello, Banjo & more • Adjustable A4 (430–450 Hz), reference tone playback • 3 sensitivity levels for different scenarios TRAINING PLAN SYSTEM • Multi-day plans: metronome, gradient, polyrhythm & drum exercises • Calendar view with streak tracking • Statistics: practice time, completion rate, BPM progress curves • Built-in templates, AI-generated plans, free training mode • Practice reminders + streak break warnings • Share beautiful statistics cards SMART TRAINING • BPM Gradient: smooth transition from start to end speed • Step Increase: auto speed-up every N bars/seconds • Multi-Signature Sequences: mixed time signatures, tempos & loops + WAV export SONG MODE • 60+ section labels: Intro, Verse, Chorus, Bridge, Solo & more • Setlist management with search & batch operations • Full-screen Performance HUD: auto-advance, countdown cue beats • One-tap WAV export for rehearsals POLYRHYTHM VISUALIZATION • Four rhythm layers (3:2, 5:4, 7:11…) • Animated ring view to master cross-rhythms GHOST MODE • Alternating silent/audible measures — train your inner clock • Random mode with adjustable difficulty DYNAMIC ISLAND & LIVE ACTIVITY • Real-time BPM & time signature on Dynamic Island • Lock Screen controls: play/pause & adjust BPM without unlocking iCLOUD SYNC • Settings, presets & training data sync across all devices automatically MULTI-PLATFORM • iPhone: immersive portrait layout • iPad: dedicated large-screen layout with sidebar navigation • Mac (Apple Silicon): native macOS experience CUSTOMIZATION • Custom backgrounds: photo, solid color, or gradient • 6 color themes with dark/light/system modes • Liquid glass button effects PRIVACY All data stored locally | AI uses your own API Key | No data collected — ever Tromix — Everything you need, from daily practice to the stage. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://ucnrl77h8uh3.feishu.cn/wiki/Mruxw5JOkiLcAjkOYo9c7nIqnFe

Screenshots

Polymeter2 screens
Tromix4 screens

Verdict

The call

The clearest difference is rating: Tromix at 5.0 against Polymeter's 4.5. Tromix also leads on update cadence (monthly vs every 3 months). Polymeter's advantage is monetization model (free vs freemium) and ratings volume (4 vs 1). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Polymeter sells 1 one-off in-app purchase and Tromix sells 4 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Tromix holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

UpkeepUpdate frequency

Polymeter ships an update every 3 months, Tromix monthly. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

Scorecard4 real differences · 6 level
Polymeter versus Tromix: the parameters behind the verdict, then further details
ParameterPolymeterTromix
PriceFreeFree
Rating4.5 (4 ratings)5.0 (1 ratings) — better
Positive reviews0.0% of reviews—
Number of ratings4 — better1
Update frequencyEvery 3 monthsMonthly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree — betterFreemium
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.018.0
Further details — not scored
Size5 MB12 MB
Age rating4+4+
DeveloperJack Gruber金承 谢

In-app purchases

1 purchases

Polymeter

One-time1
  • Polymeter Pro$4.99
4 purchases

Tromix

Subscriptions3
  • Pro Monthly7 Days trial$0.991 Month
  • Pro Quarterly7 Days trial$1.993 Months
  • Pro Yearly7 Days trial$5.991 Year
One-time1
  • Pro Lifetime$9.99

Questions

Is Polymeter free?
Polymeter is free to download, with in-app purchases available.
Is Tromix free?
Tromix is free to download, with in-app purchases available.
Which has better reviews, Polymeter or Tromix?
Tromix is rated higher. Polymeter averages 4.5 out of 5 from 4 ratings, while Tromix averages 5.0 from 1 ratings.
Do Polymeter or Tromix have ads?
Neither Polymeter nor Tromix shows ads.
Which is updated more often, Polymeter or Tromix?
Polymeter ships an update every 3 months, and Tromix monthly. Most recently, Polymeter was updated on October 30, 2026 and Tromix on October 31, 2026.

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