Comparison

iAmDrums vs Mossca Player

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

Head to head
About

iAmDrums

Create and play drum beats anytime, anywhere with a variety of drum kits. Features a loop maker for sequencing custom grooves and realistic drum feel with velocity and expression controls.

Highlights
  • Loop Maker Mode
  • Create and sequence custom grooves
  • Save grooves to KickStart library
  • 20 diverse drum kits
  • Velocity and expression controls
  • Realistic drum feel
Features
Read full description

It actually lets you play the drums. Not watch ads. iAmDrums is a real-feeling drum kit for iPhone and iPad. Open it and play: no ads, no subscription, no account, nothing else to buy. One price unlocks all 20 kits and every feature. SOUNDS LIKE REAL DRUMS Every kit responds to where you hit it: • Hit closer to the center for a louder beat, further out for a softer one • Hit the snare on the edge for a rim shot • Hit the center of the ride to ring the bell • Hit the center of the hi-hat for a pedal mute 20 KITS, ALL INCLUDED • Rock & band: Rock, Acoustic, Punk, Rage, Rebel, Radio, Blue • Electronic: House, Rave, Lo-Fi, Minimal, Trip Hop, 808, Analog, Industrial, Dub Step • Something different: Stomp, Orchestral, BeatBox, DrumCircle DRUMS IN YOUR POCKET For everyone who drums on everything: desks, knees, steering wheels. Long commute, time to kill, or a great beat just came on? Drum out the rhythms in your head, anywhere. MAKE YOUR OWN GROOVES Program a groove in Loop Maker, save it to your KickStart library, and play it back on any kit. PAY ONCE. NO ADS. NO TRACKING. No ads, ever. No subscription. No sign-in. We don't collect any data. Buy it once and it's yours. Tip: for the full punch of the kick and toms, play with headphones or external speakers.

About

Mossca Player

This HiFi music player offers advanced audio processing, including real-time 32-bit floating-point processing and HQ SRC resampling. It supports native DSD playback, external USB DACs, and extensive headphone tuning with parametric EQ and Crossfeed.

Highlights
  • HiFi audio engine with 32-bit processing
  • Native DSD playback
  • External USB DAC support
  • Headphone frequency response correction
  • Parametric EQ and Crossfeed
  • Support for personal music servers
Features
Read full description

Mossca — HiFi Hi-Res Music Player Mossca is a high-resolution music player powered by its own HiFi audio engine. Featuring real-time 32-bit floating-point audio processing and HQ SRC resampling with double-precision internal calculations, it supports native DSD playback, real-time PCM-to-DSD modulation, and external USB DAC output. It also offers headphone frequency response correction, parametric EQ, Crossfeed, and a range of DSP audio processing features. Designed for audiophiles, headphone enthusiasts, and anyone who appreciates better sound. Hi-Res Audio & DAC Support • Mossca HiFi Audio Engine: Proprietary audio engine with real-time 32-bit floating-point processing, handling audio decoding coordination, resampling, and DSP processing • High-Quality Resampling (HQ SRC): Double-precision internal calculations with support for multi-rate upsampling and high-sample-rate output • Native DSD Playback: Supports DSF and DFF formats, including DoP (DSD over PCM) transmission • Real-Time PCM-to-DSD Modulation: Converts PCM audio to DSD64–DSD256 in real time for output through compatible external USB DACs • DSD-to-PCM Conversion: Uses FIR filtering to process DSD audio for playback through PCM output devices • USB DAC Output: Supports device sample rate negotiation and high-resolution audio playback • Signal Path: Displays the source format, audio processing stages, and actual output format Headphone Tuning & DSP Effects • Headphone Frequency Response Correction: Covers 6,330 headphone models with over 14,000 AutoEQ / OPRA tuning profiles • Target Curves & Frequency Band Adjustment: Supports multiple target curves and headphone compensation, with independent bass, midrange, and treble adjustments • Real-Time Headphone Tuning: Adjust parameters during playback, view frequency response curves, and compare settings with A/B listening • Parametric Equalizer (PEQ): Adjust frequency, gain, and Q factor, with support for importing custom configurations • Crossfeed Headphone Soundstage: Simulates natural crossfeed between left and right channels to improve stereo imaging when listening through headphones • Auto Headroom: Helps reduce the risk of digital clipping caused by EQ gain adjustments • Tape Sound: Recreates the warmth and sonic character of analog tape, with adjustable effect intensity • Real-Time DSP Processing: Adjust sound characteristics and processing parameters while music is playing Music Sources & Servers • Local Music Library: Import, scan, index, and manage local music files • Mossca Server: A free music server designed for personal music collections, featuring library indexing, album and artist management, and remote streaming. Free to deploy and use • Navidrome / Subsonic: Supports Navidrome, Subsonic, and OpenSubsonic-compatible music servers • Jellyfin / Emby / Plex: Connect to popular personal media servers to access and play your music collection • SMB / WebDAV: Network file access and offline downloads • iOS Files App: Add individual music files or entire folders directly to your library through the Files app without making additional copies • Mac Library Sync: One-tap full music library synchronization with Mossca for Mac • Remote Streaming: Stream music from personal servers over local networks or the internet • Streaming Transcoding Settings: Configure transcoding formats and bitrates based on server capabilities and network conditions • Offline Music: Download music from remote servers for playback without an internet connection A Simpler Music Player: SirenX If you don’t need advanced HiFi audio settings or an external USB DAC, and simply want a fast, straightforward way to enjoy your personal music collection, try our other music player: SirenX — A Minimalist Player for Local & Self-Hosted Lossless Music Simple, fast, completely free, no account required, and no ads. Contact: mynameisfung@gmail.com

Screenshots

iAmDrums4 screens
Mossca Player4 screens

Verdict

The call

The clearest difference is price: iAmDrums at $3.99 against Mossca Player's $14.99. iAmDrums also leads on rating (4.9 vs 3.0) and ratings volume (15 vs 2). Mossca Player's advantage is in-app purchases (none vs 1) and update cadence (every 10 days vs every 3 months). On ads, device support and iOS requirement 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

iAmDrums costs $3.99 and Mossca Player $14.99 up front. iAmDrums sells 1 one-off in-app purchase. Mossca Player asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

iAmDrums holds the better App Store score, 4.9 against 3.0. That said, the two scores are not equally well evidenced: iAmDrums has 15 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 58% of iAmDrums's written reviews are positive against 88% of Mossca Player's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

iAmDrums ships an update every 3 months, Mossca Player every 10 days. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

Scorecard7 real differences · 3 level
iAmDrums versus Mossca Player: the parameters behind the verdict, then further details
ParameteriAmDrumsMossca Player
Price$3.99 — better$14.99
Rating4.9 (15 ratings) — better3.0 (2 ratings)
Positive reviews58.0% of reviews87.5% of reviews — better
Number of ratings15 — better2
Update frequencyEvery 3 monthsEvery 10 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better17.0
Further details — not scored
Size50 MB55 MB
Age rating4+4+
DeveloperRubotic, Inc.明星 张

Customer experience

iAmDrums

All ratings14 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews379 reviews
Positive58.0%
Neutral10.8%
Negative31.1%

Mossca Player

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews8 reviews
Positive87.5%
Neutral0.0%
Negative12.5%

Bugs and requests

iAmDrums

Reported bugs

13 issues
  • Trip Hop drum kit invisible but audio plays
  • Drums not loading on download
  • Black screen on iPhone 11 Pro
  • Restore purchases button non-functional
  • Purchased kits becoming locked after update
Show 8 more
  • App crashes when selecting demo
  • High hat making different noises during recording
  • Latency/slow response time
  • No sound output on certain devices
  • App crashes when overwriting loops
  • Incompatibility with iOS 6 and older devices
  • Sequencer panel missing play button
  • Double-kick and drum roll functionality broken

Requested features

15 requests
  • Left-handed drum kit option
  • Extended bar/measure support (beyond 32 steps)
  • Higher BPM limit (above 160)
  • Additional cymbal types (China, Stack, Splash)
  • Custom drum kit creation
Show 10 more
  • More drum kit styles (metal, trap, EDM, techno)
  • Double-tap drum roll support
  • Adjustable drum kit layout
  • Volume mixing in play mode
  • Record mode without continuous playback
  • Audio export functionality (.wav, AudioBus, IAA, MIDI support)
  • Time signature customization (3/4 time, etc.)
  • Start/stop/pause controls
  • Ability to move drum sections for finger play
  • Multiple sequence playback in succession

Mossca Player

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

iAmDrums

One-time1
  • Unlock All Kits$0.99
None

Mossca Player

No in-app purchases

Questions

Is iAmDrums free?
iAmDrums costs $3.99, and also offers in-app purchases.
Is Mossca Player free?
Mossca Player costs $14.99, with no in-app purchases.
Which has better reviews, iAmDrums or Mossca Player?
iAmDrums is rated higher. iAmDrums averages 4.9 out of 5 from 15 ratings, while Mossca Player averages 3.0 from 2 ratings.
Do iAmDrums or Mossca Player have ads?
Neither iAmDrums nor Mossca Player shows ads.
Which is updated more often, iAmDrums or Mossca Player?
iAmDrums ships an update every 3 months, and Mossca Player every 10 days. Most recently, iAmDrums was updated on November 1, 2026 and Mossca Player on October 31, 2026.

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