AudRig vs MOUND
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AudRig
This app allows music creators to stream their audio files from cloud storage and audition mixes with advanced tools. It offers features like A/B comparison, waveform visualization, and EQ to help refine sound.
- Cloud storage integration (Dropbox, iCloud)
- A/B mix comparison
- Waveform visualization
- Adjustable playback speed
- Frequency filters
- Per-track equalizer
- Sample-accurate looping
Read full descriptionHide full description
AudRig is a professional music player for producers and composers - stream your own tracks from Dropbox or iCloud Drive and audition your mixes with precision tools. Connect your Dropbox or iCloud Drive account and browse your own audio library. Your files stay where they are, and AudRig keeps a local cache for offline listening. Add shared folders to get instant access to your collaborations. Use AudRig as your reference listening tool - load your latest mix alongside a reference track and switch instantly to hear exactly where you stand. **COMPARE YOUR MIXES** A/B mode lets you switch seamlessly between up to three tracks. Let automatic gain match even out the levels, and use Trial mode to evaluate mixes without bias - you won't know which is which until you reveal the result. **HEAR EVERY DETAIL** Waveform visualization gives you a clear view of your audio. Adjust playback speed anywhere from 0.5× to 2.0×. Slow down to catch a detail, find the right tempo feel, or practice along. Frequency filters let you isolate and compare specific bands. Mono mode collapses the stereo field to check phase and balance. Loop mode lets you set start and end points. **SHAPE YOUR SOUND** EQ mode gives you a visual per-track equalizer - dial in the curve you want to hear and audition your mix exactly as intended. **CHECK YOUR LOOPS** Loop mode is built for sample-accurate, seamless looping, making AudRig the perfect tool for checking that your track loops as intended without gaps or clicks. **FIND FILES INSTANTLY** Search your library by filename across folders - no manual browsing required. **TAKE IT TO THE CAR** AudRig supports CarPlay - browse your folders and play your library from the car screen. Set up an A/B comparison on your phone and it carries over, one row per slot, ready to switch between. **PREMIUM FEATURES** A/B comparison, loop mode, blind test mode, playback speed, frequency filters, EQ mode, unlimited offline-sync and mono mode are available as a one-time in-app purchase. No subscription. **TRY BEFORE YOU BUY** All premium features are available to try a limited number of times.
MOUND
Create unique music by layering sounds and applying effects with intuitive touch controls. Explore chord progressions, sonic combinations, and evolving soundscapes.
- Collage soundscape sequencer
- Four mix channels
- 100+ soundfont instruments
- Paint to drive effects
- Euclidean sequencing
- Choose key, scale, BPM, and sequence length
Read full descriptionHide full description
A collage soundscape sequencer. MOUND is a unique touch instrument (standalone and AUv3 instrument and MIDI included) that uses collage and paint to generate music. You get four layers of stamps to populate chord progressions automatically using euclidean sequencing, and up to 6 paintbrush effects to use your gestures for uninhibited sonic combinations. FEATURES - Four mix channels — chord channel, and three other voices to layer. - 100+ soundfont instruments - Paint to drive effects — use X/Y and hold to control effects - Evolve — mutate your canvas and hear new possibilities - Choose key and scale - Choose BPM and sequence length - FREE Cassette Effect and Granular Delay Free to play. Unlock the full SoundFont library, advanced EVOLVE theory settings, and the rest of the spray effects. Built by fourtrack.fm.
Screenshots
Verdict
The clearest difference is review sentiment: AudRig at 100% against MOUND's 67%. AudRig also leads on rating (5.0 vs 4.8). MOUND's advantage is update cadence (every 5 days vs fortnightly) and ratings volume (8 vs 2). On price, ads, in-app purchases and monetization model 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
Both are free to download. AudRig sells 1 one-off in-app purchase and MOUND sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
AudRig holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 2 and 8 respectively. Written reviews point the same way: 100% of AudRig's written reviews are positive against 67% of MOUND's.
AudRig ships an update fortnightly, MOUND every 5 days. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.
| Parameter | AudRig | MOUND |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | 4.8 (8 ratings) |
| Positive reviews | 100.0% of reviews — better | 66.7% of reviews |
| Number of ratings | 2 | 8 — better |
| Update frequency | Fortnightly | Every 5 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 17 MB | 176 MB |
| Age rating | 4+ | 4+ |
| Developer | Martin Mellstrom | fourtrack.fm LLC |
Customer experience
AudRig
MOUND
In-app purchases
AudRig
- AudRig All$9.99
MOUND
- MOUND Lifetime Unlock$4.99









