Comparison

sumFX vs Drumloom

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

Head to head
About

sumFX

This app is a versatile audio effects processor for musicians. It offers a modular design with multiple high-quality FX modules and customizable slots, allowing for quick creation of unique sounds. Focus on your music with intuitive controls and visual feedback.

Highlights
  • Modular multi-FX processor
  • 8 high-quality FX modules
  • 8 FX slots with Wet/Dry control
  • 2 LFOs per slot
  • 50+ cross-platform presets
  • Pre/post waveform view
Features
Read full description

sumFX is a modular multi-FX processor for Mac/PC and iOS. Designed with simplicity in mind, to help keep you focused on the music and the sum of your efforts. Packed with 8 high quality FX modules and an available 8 slots, each loaded with Wet/Dry control, Global Wet/Dry, and 2 LFOs per slot, creating new unique sounds is quick and easy. 50+ cross-platform slot & chain presets are included to get you to any sound you need quickly and we’ve packed in an easy to use pre/post waveform view to help keep you focused on the result of your FX. Modules: -syncDynamics - Multimode dynamic FX with BPM sync attack/release (Noise Gate, Expander, Compressor, Limiter) -stereoFilter - Stereo filter with link or individual channel controls (LPF12, HPF12, BPF12, LPF24, HPF24, BPF24, Notch, & Formant options). -variMod - Multimode modulation FX with stereo offset (Chorus, Flanger,  Vibrato, Phaser, Tremolo,  & Auto Pan) -EQuator - Full high quality EQ module (3 Parametric Bands, High/Low Shelf, & HPF/LPF). -frostReverb - Multi-Mode (Original, Plate, Spring, Room) Stereo Reverb.  -bucketDelay - Stereo Analog Style Delay with individual channel control. -variPitch - Stereo Pitch Shifter with 3X Modes (Doubler, Harmonizer, & Full Control) -powerPhase - Multimode Saturation, Utility Gain In/Out, Mono Maker, Channel msDelay, & Phase inverter.

About

Drumloom

Features
Read full description

Drumloom is a practice instrument for drummers. Start with a precise metronome. Open an exercise, hear the pattern and follow the notation. Build routines that run tempo changes, repeats and rests for you — every transition stays on the bar. Write your own patterns, or turn a screenshot, photo or PDF of a chart into playable notation What you get: - A focused drum metronome with meters, subdivisions, accents, separate levels and a live beat/count display - More than 1,000 exercises across singles, rudiments, stickings, left hand, kick patterns, grooves and fills - Cursor-synced notation and distinct right- and left-hand voices - Ghost notes, flams, drags, accents, swing and full-kit playback - Polyrhythms and polymeters with up to four layers - Bar-accurate routines with count-in, tempo steps, rests and voice cues - A notation editor and step sequencer to write your own patterns and fills, plus fresh random suggestions - Turn a screenshot, photo or PDF of a chart into playable notation - Import and export your patterns and fills as MIDI or MusicXML files - Record live from your MIDI drum kit - Sync tempo with other apps and gear over Ableton Link - Streaks, weekly goals, session history and tempo PRs - Private iCloud sync plus file backup - Dark and light appearance, Dynamic Type and VoiceOver The core stays free: the standard metronome, a playable exercise in every main category, a daily library rotation and one basic practice routine. Drumloom Pro unlocks everything with one lifetime purchase. No subscription. Ever. Your practice data stays on your devices and in your private iCloud container. Drumloom includes no advertising or tracking SDK.

Screenshots

sumFX3 screens
Drumloom4 screens

Verdict

The call

The clearest difference is price: Drumloom at Free against sumFX's $9.99. Drumloom also leads on update cadence (every 10 days vs every 6 months). sumFX's advantage is in-app purchases (none vs 1) and iOS requirement (12.0 vs 18.0). 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

Drumloom is free to download; sumFX costs $9.99 up front. Drumloom sells 1 one-off in-app purchase. sumFX asks for nothing beyond the download.

UpkeepUpdate frequency

sumFX ships an update every 6 months, Drumloom every 10 days. The most recent releases landed on October 9, 2026 and October 15, 2026 respectively.

Scorecard4 real differences · 6 level
sumFX versus Drumloom: the parameters behind the verdict, then further details
ParametersumFXDrumloom
Price$9.99Free — better
Rating4.4 (12 ratings) — better—
Positive reviews54.5% of reviews—
Number of ratings12 — better—
Update frequencyEvery 6 monthsEvery 10 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPad, iPodiPhone, iPad, Apple Watch
Requires iOS12.0 — better18.0
Further details — not scored
Size44 MB60 MB
Age rating4+4+
DeveloperOSC AudioEugen Schott

In-app purchases

None

sumFX

No in-app purchases

1 purchases

Drumloom

One-time1
  • Drumloom Pro$3.99

Questions

Is sumFX free?
sumFX costs $9.99, with no in-app purchases.
Is Drumloom free?
Drumloom is free to download, with in-app purchases available.
Do sumFX or Drumloom have ads?
Neither sumFX nor Drumloom shows ads.
Which is updated more often, sumFX or Drumloom?
sumFX ships an update every 6 months, and Drumloom every 10 days. Most recently, sumFX was updated on October 9, 2026 and Drumloom on October 15, 2026.

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