Comparison

Polemo vs Grothm

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

Head to head
About

Polemo

Features
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Commute-Ready, Play music directly from your device's folders—no file duplication, no extra storage waste. Your songs stay where they belong. Key Features Auto-Sync Lyrics Instantly find lyrics from global databases. No more manual tagging—just pure listening. 27+ Format Support FLAC, ALAC, MP3, WAV… and beyond. Studio-quality sound with customizable EQ. Lightning-Fast Performance Open 100MB+ lossless files in 1 second. Safe Driving Mode HUD-style controls keep your eyes on the road. Tap once to skip, swipe to adjust volume. Why You’ll Love It Zero Storage Drama – Never lose original files Subway-Proof Playback – Works 100% offline Battery-Friendly – Uses less power than streaming apps Perfect For • Train commuters • Gym sessions • Road trips • Focus work No Ads. No Subscriptions. Just Music.

About

Grothm

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Grothm is a structured practice tracker with a professional metronome built in. Plan sessions, automate tempo changes, and track time, BPM, goals, and progress over time. TRAIN WITH A PLAN Build focused routines for warm-ups, rudiments, speed, technique, and repertoire. AUTOMATE TEMPO TRAINING Use multiple automatic tempo modes to develop speed without adjusting the metronome by hand. TRACK EVERY SESSION Automatically record practice time, tempo, goals, and completion history. SEE YOUR PROGRESS Review growth curves and time-range reports to understand how your practice develops. PROFESSIONAL METRONOME Train with precise timing, advanced subdivisions, dotted notes, automatic tempo changes, and speeds up to 350 BPM. FOCUSED CYBERPUNK DESIGN A clear, immersive interface built for focused practice. PRIVATE AND DISTRACTION-FREE No account. No ads. No internet required. Your data stays on your device. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Polemo4 screens
Grothm4 screens

Verdict

The call

The clearest difference is price: Grothm at Free against Polemo's $5.99. Polemo's advantage is in-app purchases (none vs 1) and update cadence (every 9 days vs every 3 weeks). On ads 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

Grothm is free to download; Polemo costs $5.99 up front. Grothm sells 1 one-off in-app purchase. Polemo asks for nothing beyond the download.

UpkeepUpdate frequency

Polemo ships an update every 9 days, Grothm every 3 weeks. The most recent releases landed on September 19, 2026 and September 13, 2026 respectively.

Scorecard4 real differences · 2 level
Polemo versus Grothm: the parameters behind the verdict, then further details
ParameterPolemoGrothm
Price$5.99Free — better
Update frequencyEvery 9 days — betterEvery 3 weeks
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPod — betteriPhone
Requires iOS12.0 — better18
Further details — not scored
Size46 MB7 MB
Age rating4+4+
Developer力 王雒敏 郭

In-app purchases

None

Polemo

No in-app purchases

1 purchases

Grothm

One-time1
  • Grothm Pro$4.99

Questions

Is Polemo free?
Polemo costs $5.99, with no in-app purchases.
Is Grothm free?
Grothm is free to download, with in-app purchases available.
Do Polemo or Grothm have ads?
Neither Polemo nor Grothm shows ads.
Which is updated more often, Polemo or Grothm?
Polemo ships an update every 9 days, and Grothm every 3 weeks. Most recently, Polemo was updated on September 19, 2026 and Grothm on September 13, 2026.

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