Comparison

Sound Safe vs PolyRhythmic Metronome

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

Head to head
About

Sound Safe

This app helps pets overcome noise anxiety with a desensitization program. It offers customizable soundscapes to gradually acclimate them to various noises, promoting calmness and reducing fear in challenging environments.

Highlights
  • Pet noise desensitization program
  • Customizable soundscapes
  • Gradual exposure to noises
  • Reduces pet anxiety
  • Promotes calmness
Features
Read full description

"SoundSafe Pets: Calm Ears, Happy Tails" Introducing SoundSafe Pets – your go-to app for helping your furry friends adjust to a world full of noise. This innovative app offers a variety of soundscapes designed to gently acclimate your pet's ears to different noises, from thunderstorms to city bustle. With gradual exposure and our expert-crafted desensitization program, you can reduce your pet's anxiety and help them remain calm in noisy environments. Tailor the experience with customizable sound levels and durations to suit your pet's unique needs. Create a serene haven for your pets and transform fear into familiarity with SoundSafe Pets – where every sound is a step towards serenity. https://www.soundsafe.app/terms-of-services

About

PolyRhythmic Metronome

Features
Read full description

Polyrhythmic Metronome is an advanced rhythm trainer designed for musicians who want to master polyrhythms, cross-rhythms, and complex time signatures. Practice with up to 3 simultaneous rhythm layers, choose from 20+ professional sounds, and take your timing to the next level. POLYRHYTHM ENGINE • Play 2 or 3 rhythm layers simultaneously (2:3, 3:4, 5:4, 7:4, 2:3:4, 3:4:5, and more) • Custom ratios up to 16 per layer • BPM range from 20 to 300 • Tap tempo for quick tempo matching • Per-beat accent cycling (accent, normal, ghost) • Visual playback grid with real-time position tracking 20+ PROFESSIONAL SOUNDS • Drums: Kick, Snare, Hi-Hat, Crash, Cowbell, Clap, Rim Shot, Toms • Pitched tones and bleeps for melodic practice • Piano sounds for harmonic context • Per-layer sound selection with session persistence GROOVE GENERATOR • Auto-generated drum grooves based on your polyrhythm pattern • 6-instrument drum machine: Kick, Snare, Hi-Hat, Crash, Bass, Piano • Step sequencer grid with tap-to-edit cells • Per-instrument mixer with volume and mute controls • Regenerate for endless groove variations • Independent BPM control SPEED TRAINER (Pro) • Automatic tempo increment during practice • Set start BPM, target BPM, bars per step, and BPM increment • Build speed gradually without interrupting your flow GHOST MODE (Pro) • Random beat muting to strengthen your internal pulse • Adjustable mute probability (10%–80%) • Re-randomizes each loop for unpredictable training PITCH EDITOR (Pro) • Piano-roll editor for per-beat pitch control on melodic sounds • Chromatic note selection across octaves 2–6 • Real-time preview and live rescheduling PDF EXPORT (Pro) • Export polyrhythm notation as print-ready PDF • Export groove patterns with velocity indicators • Share or print directly from the app • Includes practice tips for each pattern MIXER • Per-track volume sliders • Mute and solo controls • Real-time volume adjustment during playback Perfect for drummers, percussionists, guitarists, pianists, and any musician looking to improve their rhythmic independence and timing accuracy. From RiffRoutine — apps and resources for musicians. Terms of Use: https://www.riffroutine.com/terms

Screenshots

Sound Safe4 screens
PolyRhythmic Metronome4 screens

Verdict

The call

The clearest difference is iOS requirement: PolyRhythmic Metronome at 13.0 against Sound Safe's 15.0. On price, update cadence, ads and in-app purchases 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. Sound Safe sells 2 in-app purchases, starting at $0.99 per month and PolyRhythmic Metronome sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Sound Safe ships an update every 6 weeks, PolyRhythmic Metronome every 2 months. The most recent releases landed on October 10, 2026 and October 3, 2026 respectively.

Scorecard1 real difference · 9 level
Sound Safe versus PolyRhythmic Metronome: the parameters behind the verdict, then further details
ParameterSound SafePolyRhythmic Metronome
PriceFreeFree
Rating3.0 (2 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 6 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size94 MB82 MB
Age rating4+4+
DeveloperSound SafeRomeu Beato

In-app purchases

2 purchases

Sound Safe

Subscriptions2
  • Monthly Subscription7 Days trial$0.991 Month
  • Sounds Yearly7 Days trial$5.991 Year
2 purchases

PolyRhythmic Metronome

Subscriptions1
  • Polyrhythmic Metronome Pro7 Days trial$2.991 Month
One-time1
  • Polyrhythmic Metronome - Lifetime$8.99

Questions

Is Sound Safe free?
Sound Safe is free to download, with in-app purchases available.
Is PolyRhythmic Metronome free?
PolyRhythmic Metronome is free to download, with in-app purchases available.
Do Sound Safe or PolyRhythmic Metronome have ads?
Neither Sound Safe nor PolyRhythmic Metronome shows ads.
Which is updated more often, Sound Safe or PolyRhythmic Metronome?
Sound Safe ships an update every 6 weeks, and PolyRhythmic Metronome every 2 months. Most recently, Sound Safe was updated on October 10, 2026 and PolyRhythmic Metronome on October 3, 2026.

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