iAmDrums vs Mossca Player
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Loop Maker Mode
- Create and sequence custom grooves
- Save grooves to KickStart library
- 20 diverse drum kits
- Velocity and expression controls
- Realistic drum feel
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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.
Mossca Player
This app is a local lossless music player designed for audiophiles. It focuses on a clean playback experience, clear signal paths, and excellent external DAC compatibility. Easily import and manage your music library without streaming or account requirements.
- Clean playback experience
- Clear signal path
- External DAC compatibility
- Local music library management
- Multiple import methods (WiFi, cloud, WebDAV/SMB)
- Music quality analysis engine
- Supports FLAC, WAV, ALAC, AIFF, DSD
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Mossca A high-quality music player built for your personal music collection. Mossca focuses on one thing: playing your music with better sound quality. From local lossless music to home music servers, from the built-in output of iPhone and iPad to external USB DACs, Mossca is built around a complete audio path with a playback and sound-processing engine designed for high-quality listening. High-Quality Audio Engine For different sources, sample rates, and output devices, Mossca provides a complete set of audio processing capabilities: • High-quality PCM playback • High-quality SRC for sample-rate conversion and upsampling • Real-time PCM → DSD conversion • Native DSD playback • DSD DoP output • EQ audio processing • Headphone tuning profiles Choose the playback method that best suits your music, equipment, and listening preferences. PCM → DSD Mossca can convert PCM music to DSD in real time. With a dedicated DSD modulation and playback path, PCM music can be played as DSD through a supported external DAC. Enjoy rich detail with a more refined, warm, and easy-listening sound presentation. Native DSD & External DAC Supports: • DSD (DSF / DFF) • DSD64 – DSD512 • DoP output • Hi-Res PCM • External USB DACs Mossca selects the appropriate playback path according to the audio format, device capabilities, and output conditions. If the target DSD rate exceeds DAC support, Mossca can automatically fall back to a nearby DSD rate supported by the hardware. Specially optimized for portable DACs, desktop DACs, and Hi-Res music collections. Signal Path Mossca’s Signal Path shows the actual playback chain, including: • Original audio format • Original sample rate • Current audio processing • Output sample rate • PCM / DSD status • Output device From the music file to the final DAC, you can clearly see how the audio is being processed. Mossca supports both local music and home music servers. Local sources include: • Local music files on iPhone / iPad • Files app and external storage Music servers: • Mossca Server • Navidrome • Subsonic-compatible services • Jellyfin • Emby Remote playback prioritizes the original audio stream by default, while also supporting MP3 and Opus transcoding with configurable bitrates, custom HTTP Headers, and automatic switching between LAN and public server addresses for different network environments. Large Music Libraries Mossca organizes music around albums and artists and is optimized for large personal libraries. Supports: • Albums / Artists / Genres • Search • Favorites • Playback history • Play queue • Switching between local and server libraries Whether your collection contains dozens or thousands of albums, Mossca keeps browsing clear and direct. Mossca also includes: • iPod Classic click-wheel mode • Radio mode • CarPlay • Multiple interface themes • Online lyrics • Online artist information • Audio waveform • Full-album / CUE automatic parsing and track playback Supported Formats Includes: • FLAC • DSD (DSF / DFF) • WAV • AIFF • ALAC • MP3 • AAC And other common audio formats. Designed for Serious Listening Mossca is built for people who own their music, listen to lossless and Hi-Res audio, use external DACs, and want real control over the playback path. Your music. Your equipment. You decide how the sound is played. Compatibility Supports iPhone, iPad, and a wide range of USB DACs. DSD, DoP, sample-rate support, and system audio behavior can vary between DACs. Actual output capabilities depend on the hardware and iOS. If you encounter playback or hardware compatibility issues, please contact us. If you only need a simpler local music player, you can also download: SirenX — a free local music player. Feedback: mynameisfung@gmail.com
Screenshots
Verdict
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 (14 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
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.
iAmDrums holds the better App Store score, 4.9 against 3.0. That said, the two scores are not equally well evidenced: iAmDrums has 14 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.
iAmDrums ships an update every 3 months, Mossca Player every 10 days. The most recent releases landed on October 13, 2026 and October 6, 2026 respectively.
| Parameter | iAmDrums | Mossca Player |
|---|---|---|
| Price | $3.99 — better | $14.99 |
| Rating | 4.9 (14 ratings) — better | 3.0 (2 ratings) |
| Positive reviews | 58.0% of reviews | 87.5% of reviews — better |
| Number of ratings | 14 — better | 2 |
| Update frequency | Every 3 months | Every 10 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Paid |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 50 MB | 135 MB |
| Age rating | 4+ | 4+ |
| Developer | Rubotic, Inc. | 明星 张 |
Customer experience
iAmDrums
Mossca Player
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
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- 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
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- 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
iAmDrums
- Unlock All Kits$0.99
Mossca Player
No in-app purchases






