# FAC Drumkit — Drum Synth Sample Player AUv3 > Drum synthesizer and sample player with advanced synthesis and sample manipulation. (iPhone/iPad app by Frederic Corvest.) - Source: https://appshunter.io/ios/app/fac-drumkit/id1552568814 (this page in markdown: same URL + `.md`) - Developer: [Frederic Corvest](https://appshunter.io/developer/1230164765) - Category: Music - Price: $17.99 with in-app purchases - Rating: 4.70/5 from 83 App Store ratings · 41 written reviews indexed - Age rating: 4+ - Requires: iOS 13.0 · 80 MB - Languages: American English - Released: 2021-06-10 - Data updated: 2026-08-30 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/fac-drumkit/id1552568814/reviews.md ## What is FAC Drumkit? • 16 Voices Drum Synthesizer and Stereo Sample Player • 2 oscillators (16 Waveforms) per voice with filters, Phase and Ring modulation • 1 sample player per voice with sample position, filters, phase and stereo control • Expressive instrument: velocity amount per Amp and Pitch modulation (MIDI CC) • Randomization engine (Drum Synthesizer, Sample Player, Envelopes) • Advanced Pitch and Amp envelopes with multi control points and delay • Envelope templates, modifiers and copy/paste • Mute/Choke groups: reduce overlapping and keep your drums tight • Drag and Drop File Support and multi sample loading • Mixer: 16 voices (Multi Output - If Supported By HOST) • Pad controller: voices triggered by Pad (MIDI OUT and Velocity Sensitive) • Includes classic drum machines built in presets for inspiration • Library explorer: drums organized by category • iOS AuV3 (iPad/iPhone) - Advanced Responsive Design, portrait and landscape views Everyone agrees that the drums are a very important key element of almost every genre out there, they are the foundation of a song. We are all fans of acoustic drums and drum machines, they each have different characters and strengths. FAC Drumkit combines both worlds, samples and synthesis, in order to provide new exciting and unique sounds. As a rule of thumb, the synthesizer section brings the body of the sound, and the sampler the unique character. Both parts are layered together and contain essential parameters to ensure they won't clash and will sit well together. On top of the samples and synthesizer section, FAC Drumkit brings unique Amp and Pitch envelopes with precise control points to modify the curve in a gentle or extreme way. The envelopes play a very important part in the signal path because, thanks to their flexibility, they allow designing very special transition. Indeed, the envelope of a Clap is probably the best one to illustrate the benefit of such envelopes created with points. The burst kind of sound is very hard to replicate with classic ADSR, it's not the case in FAC Drumkit. Needless to say, thanks to the control points the pitch transitions are also more interesting and precise. The value of each control point can also be altered manually, to set the root note of a kick for example. FAC Drumkit is for everyone, as sound designer you will be able to synthesize your own drums in a fun and creative way. On the other hand, if you are looking for instant results, use the provided presets or load your favourite sample pack in the sample section of the 16 voices. The randomization engine makes the creation of new sounds really easy. Define what you want to randomize and you are ready to go. Remember that instrument category plays a role in the randomization process. For example, if you want to design a drum kick set the instrument label to BD (or use the voice index to get a wider sound palette). It's also very interesting to select a sound you like and start the randomization process from there, in a gentle way or not, thanks to the options available in the voice button (page selector). FAC Drumkit is an expressive instrument, the amount of velocity can be set individually for each amplitude envelope, and the pitch envelopes can be modulated by external MIDI control change messages. The pitch modulation applies on control points or on the whole pitch envelopes. Important: The standalone app is a factory version only and you won't be able to save user presets. Use the AuV3. The documentation is available at fredantoncorvest.com/FAC_Drumkit.html ## Key features - 16 Voices Drum Synthesizer - Stereo Sample Player - 2 Oscillators per voice - Advanced Pitch and Amp Envelopes - Randomization Engine - Mute/Choke Groups - AUv3 Support ## Pricing and in-app purchases Base price: $17.99. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Small Tip | $1.99 | one-time | | Medium Tip | $4.99 | one-time | | Large Tip | $14.99 | one-time | ## Recent user reviews (10 of 41) All indexed reviews: https://appshunter.io/ios/app/fac-drumkit/id1552568814/reviews.md ### 1/5 — App Need updates *2026-03-20* Probably the best Drumkit to automate via midi on iOS DAWs, the app UI is great, lots of parameters and good sounds pre-loaded. However I noticed starting in 2025 few first and rare glitches when reloading sessions with the plugins not loading, a replace/reload was Ok. Now, March 2026, the FAC Drumkit plugin is broken in Cubasis, Logic Pro and often fails in AUM. It used to be reliable like a clockwork, now it’s unstable therefore unusable for Music Prod on iOS. The maintenance of Music Apps on iOS is a true challenge not specific to this app and limits adoption Personally, I would be Ok to help supporting the maintenance of the app and chip-in like AUM does offer. FAC Drumkit did not get updates for 2 years and may need an AI code review the multiple iOS updates in last 2 years to ensure AuV3 compatibility. Thank you for considering. Would love to rate this app 5 star when it runs again. Thank you. ### 5/5 — Essential *2025-04-30* I’ve been wanting to go deep on sound design for drums (mainly progressive house). This is the one - I can finally sculpt the sounds I want instead of endlessly farting around with sample packs! Just the right amount of control without being overwhelming. Huuuuuuge thanks to the dev! This thing is a beast and deserves a place in everyone’s toolbox. ### 5/5 — Drum central right here! *2024-08-30* The fact that you can create your own drums and use it with a electronic drum kit to play around is amazing. Great app yall ### 4/5 — Horses for courses *2024-04-06, version 2.7.1* FAC DrumKits is very much an app for fiddlers. No, not those who pluck strings, but rather rhythm makers who want to endlessly alter the parameters of sound samples. Tweaking to the last degree. In that task the app succeeds fabulously. So why 4 stars? Because FAC Drumkit does nothing without a third party app such as Polybeat to send it instructions/ drum sequences. Also, the presets included could be a lot better and more varied. PatschStorage currently offers a few more, most of which are experimental noises. The best of which is DJ Puzzles Gretsch Kit. Others are available elsewhere, but really at this point for an app that is not cheap by IOS standards, a few dozen kits should come baked in, offering an array of different setups without needing to hunt around. ### 5/5 — Powerful Drum Designer *2023-11-26* As with every FAC app, the attention to detail is impressive and perfectly executed. The interface is brilliant. File browsing entire folders makes auditioning samples so much easier than having to use the Apple file browser. The tools for manipulating and creating drums are laid out in such a useful way. Fred really has his UI design down in all his apps. ### 5/5 — Great Hybrid Drum Sounds *2023-11-03* There are other iOS drum machines that can combine samples and oscillators, but FAC Drumkit makes it easy and immediate. Pairs nicely with Logic Pro and other DAWs. If you get only one drum engine for iOS, this should be a contender. ### 2/5 — No Sequencer :( *2023-08-05* Unlike Sugar Bytes Drum Computer, this drum app does not have a sequencer. That’s unfortunate because I bought it before knowing that and there’s no returns. Other than that, I really like it’s extensive sound sculpting features. I’ll change my review if Frederic Corvest designs a companion sequencer app to compliment this drum machine. ### 5/5 — A MONSTER! *2023-07-31* The most powerful drum app that no one knows about! Utter control and sonic power… all easily editable and lightweight (great for basic iPad's) All the drum sounds can be sent to individual output or multiple drums (kicks) can be sent to one output… very flexible! My favorite Drum App! ### 4/5 — Great! *2023-06-03* Really great app for sound designing your drums. I just wish you could import your own samples **Developer response:** You can import your own sounds: long touch the sample bar. See the documentation. ### 2/5 — Multi-out *2023-02-27* Is multi-out broken or am i doing something wrong? **Developer response:** Hi No, the routing is saved by preset and the multi-out is working! All the best, ## Frequently asked questions about FAC Drumkit ### What is FAC Drumkit? FAC Drumkit is a versatile iOS application that functions as a 16-voice drum synthesizer and stereo sample player. It allows users to create unique drum sounds by combining synthesis and sample playback, offering deep control over each voice. ### What are the key features of FAC Drumkit? Key features include a 16-voice drum synthesizer with two oscillators per voice, a stereo sample player, advanced pitch and amp envelopes with multi-control points, a randomization engine, mute/choke groups for tight drum sounds, and AUv3 support for integration with other iOS music apps. ### How is FAC Drumkit monetized? The application is available for free, but offers in-app purchases. This model allows users to try the core functionality before deciding to purchase additional features or content. ### What devices is FAC Drumkit compatible with? FAC Drumkit is designed for iOS devices, specifically the iPad and iPhone. It features an advanced responsive design that adapts to both portrait and landscape orientations. ### Who would benefit from using FAC Drumkit? This app is ideal for sound designers who want to synthesize their own drums creatively, as well as musicians looking for instant results by using the provided presets or loading their own samples. It's suitable for anyone interested in crafting unique drum sounds and beats. ## Version history (last 5 releases) ### 2.7.1 — 2023-07-27 Maintenance Update Support FAC • Rate and Review ALL of your FAC apps • Buy a t-shirt • Tip... NEW: FAC Drumkit Desktop is available on the App Store! Get your favorite drum synth and samples player on macOS now! Contact: support •• fredantoncorvest.com ### 2.7 — 2022-11-24 Maintenance Update and New features Support FAC • Rate and Review ALL of your FAC apps • Buy a t-shirt • Tip... Contact me for any issues: fredantoncorvest.com/know_issues.html • Add multi-out routing options (popover instead of Toggle in mixer page) • Add a different colour to the sample section (voice page) • Add voice output info in level slider label (voice page) • Add group change on both osc levels (long touch gesture) • Fix custom voice name not synced between pages • Fix impossible to export presets containing same samples across different voices • General UI polish • Various fixes and improvements ### 2.6.6 — 2022-05-14 Maintenance Update | Consider a Tip and write a review if you enjoy FAC Drumkit | Contact me for any issues | - Fix crash when presets saved in AUM, Loopy Pro (via host preset manager) - Various minor fixes and improvements ### 2.6.4 — 2022-04-20 Show support to FAC: consider a Tip and write a review if you enjoy FAC Drumkit ! Contact me for any issues. • User presets are now sorted in alphabetical order • Various fixes and improvements ### 2.6.3 — 2022-03-03 Again another FREE update bringing fixes and NEW features, don't forget to tip and leave a review if you enjoy FAC Drumkit ! Contact me for any issues. • Max time updated from 1s to 4s, applies to both samples and envelopes • Addition of Velocity Amount for SMP, OSC I & II • Pitch Modulation (Controlled by external MIDI Control Change). The depth of the modulation can be set per control points (MAX 3) or on the whole envelope • Addition of ring modulation between OSC I and II • Addition of a soft clipper (for each voice) • Voice renaming • A new preset demoing the new features • Various fixes and improvements Important note regarding parameters automation: The following list of parameters can be altered by external sources: oscs hpf/lpf(+q), osc2 pitch ratio, sampler hpf/q /lpf/q and voice level. Some hosts are forcing the listing of all parameters, automable or not! The parameters not mentioned in the previous list do not support automation since the first version of FAC Drumkit. This update ensures that those parameters are never visible. ## Apps similar to FAC Drumkit | App | Rating | Price | Category | | --- | --- | --- | --- | | [Drone Piano & Drum Loops](https://appshunter.io/ios/app/drone-piano-and-drum-loops/id1587903801) | 4.6 (247) | Free | Music | | [Sunrizer synth](https://appshunter.io/ios/app/sunrizer-synth/id443663267) | 4.7 (183) | $12.99 | Music | | [Blip Box — Drum Synth](https://appshunter.io/ios/app/blip-box-drum-synth/id6452880190) | 4.8 (20) | $5.99 | Music | | [Tize: Music & Beat Maker](https://appshunter.io/ios/app/tize-music-and-beat-maker/id1130726632) | 4.5 (16,054) | Free | Music | | [Drum Pad Machine - Beat Maker](https://appshunter.io/ios/app/drum-pad-machine-beat-maker/id1057968965) | 4.6 (674,050) | Free | Music | | [Mersenne - AUv3 Plug-in Synth](https://appshunter.io/ios/app/mersenne-auv3-plug-in-synth/id1084197093) | 4.7 (28) | $8.00 | Music | ## More apps by Frederic Corvest - [FAC Chorus](https://appshunter.io/ios/app/fac-chorus/id1230164766) - [FAC Maxima](https://appshunter.io/ios/app/fac-maxima/id1323117302) - [FAC Transient](https://appshunter.io/ios/app/fac-transient/id1354088081) - [FAC Envolver](https://appshunter.io/ios/app/fac-envolver/id1378195291) - [FAC Bandit](https://appshunter.io/ios/app/fac-bandit/id1458633968) - [FAC Alteza](https://appshunter.io/ios/app/fac-alteza/id1489369665) All apps by Frederic Corvest: https://appshunter.io/developer/1230164765 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-30.*