Ambience. vs Rithmatic
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ambience.
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Generative ambient pads for worship. Prayer, altar moments, broadcast - texture that sits behind the vocal without getting in the way. WHAT IT IS Most pad apps play back recorded loops sold per-key. Norcoast Ambience generates every voice in real time. The pad breathes, the chord moves, the arp evolves. It never loops. Set the key, press play, walk away. FIVE LAYERS Foundation - sub layer, slow detuned saws. Pads - four timbres: Lush, Warm, Choir, Celestial. Texture - granular dulcimer. Arp - generative arpeggiator with three voices: Bloom, Hush, Glow. Movement - drum machine with four named patterns: Pulse, Mist, Stride, Roam. Plus a custom 3x16 step sequencer. CHORDS All 12 keys. Smooth crossfades between them. Switch on a whisper mid-song without a click. Major, Minor, Sus2, Sus4, Maj7. Plus a custom chord builder for any combination of major-scale degrees. STUDIO FX Plate reverb with shimmer. Juno-style chorus. BPM-synced delay. 4-band EQ. Oversampled saturation. High-pass and low-pass filters at 12 or 24 dB per octave. Stereo width LFO. Soft limiter. No plugins, no extra purchases. MIDI AND TEMPO MIDI clock in and out. Ableton Link. Bluetooth MIDI. MIDI Learn for any controller knob, fader or footswitch. Tap tempo. BPM 50 to 200. Time signatures 4/4 or 6/8. EASY AND ADVANCED MODES Easy mode for fast set-up on a Wednesday night. Advanced mode for the deep dive on a Saturday afternoon. Switch any time without losing your sound. NAMED SETLISTS Save the sound, name it (Gratitude, Prayer and Ministry), drag to reorder. Run the whole service from a tap. Setlists sync across iPhone, iPad and Mac via iCloud. WORKS OFFLINE No internet connection required after install. Useful when church Wi-Fi is patchy or the iPad lives in airplane mode at the back of the platform. PRIVACY No analytics, no telemetry. No account, no sign-in. Bluetooth permission used only for MIDI controller pairing. iCloud used only for preset sync. WHO MADE IT Tim Gosden. Producer, songwriter, musician. Fifteen years on worship records with a few hundred million streams behind them, plus a long run as music director at a big church. Based in Norwich, England. Built because the joy and the chaos of running a Sunday platform aren't theory. The kit didn't exist, so I made it!
Rithmatic
This app is an FM synthesizer featuring a vast library of classic voices. It allows users to explore, learn, build, and blend sounds using an intuitive interface and an AUv3 plugin for DAWs. It offers a comprehensive synthesis engine and various playback options.
- 36,118 classic DX7 voices included
- AUv3 plugin for DAWs
- Patch Builder to learn FM synthesis
- Sound blending feature
- On-screen and MIDI keyboard support
- Arpeggiator and latch function
- WAV export
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Rithmatic is an FM synthesizer with 36,118 classic DX7 voices built in, and an AUv3 plugin for GarageBand on iPad and your DAW on the Mac. Browse them by family and by character, learn how FM works by watching it shape each one, build and blend your own, and play them from the on-screen keys or a MIDI keyboard. No account, no ads, nothing locked. Built for iPhone Duo: half open, it stands like a keyboard synth, the waves above the fold and long keys on the flat half. IN YOUR DAW • Put it on a track in GarageBand on iPad, or in an Audio Unit host on the Mac such as Ableton Live. • Its window is the app's own Patches screen and Patch Builder, with your library. • Your bank appears as the plugin's presets, and Brightness, Attack, Decay, Release and Feedback can be automated. The patch is saved with your project. A LIBRARY THAT SHIPS FULL • 36,118 unique DX7 voices come with the app: no download, no account, no network. • Start with Essentials: the famous sounds and the songs they're on. • Browse by family, or by character: percussive, plucked, metallic, bright, sustained, swell, evolving, mellow. Or search by name. • Patch of the day: one classic voice each day, in the app and in a widget for iPhone, iPad and Mac. PLAY IT • A DX7-compatible synthesis engine runs inside the app, so every patch plays with nothing plugged in. • Play from the on-screen keys, your Mac's keyboard, or any MIDI keyboard you connect. • Pitch bend, mod wheel, breath, sustain and aftertouch, with aftertouch set to vibrato, tremolo or swell. • Velocity from a MIDI keyboard, or turn it off and choose how hard every note plays. • An arpeggiator (up, down, up and down, random or as played, over up to three octaves) and a latch that holds each key. • Record what you play and share it as a WAV. • Five tunings: equal, just, and Wendy Carlos's Alpha, Beta and Gamma scales. • Light or dark, as your device is set or as you choose. Drag the keys taller or shorter. SEE THE SOUND The waveform follows what you play: each operator's envelope, how hard you hit, the pitch, the LFO's wobble, and a chord as one layer per note. Resize it, go full screen, or watch the output itself in the Scope look. PATCH BUILDER: LEARN HOW FM WORKS FM is famous for being hard to program. The Patch Builder shows you why a sound sounds the way it does. • All six operators on a graph, each cable carrying its wave: see a modulator reshape its carrier as you drag. • Draw a cable and the builder snaps to the nearest of the 32 algorithms, so you learn routing by doing it. • Plain words beside the jargon. Edit each operator's ratio, level, envelope and tuning, the LFO and pitch envelope, or use FEEL: thickness, touch and brightness. BLEND Pick two patches and Rithmatic blends them into eight new ones. Play each, and keep the ones you like. YOUR BANK AND FILES • Gather patches from anywhere into your bank, then drag pads to swap or reorder them. • Export the bank as standard DX7 .syx files. Open .syx banks, or a .zip of them, from Files, Mail, AirDrop or the Finder. • Share a sound as a short clip of it playing, with a card and a code that brings the patch into anyone's Rithmatic. WITH A SYNTH, IF YOU HAVE ONE Hardware is optional. Choose your synth in Settings: • Korg Volca FM2 (firmware 1.10 or later, over MIDI): read its current patch, write to any of its 64 memory slots, back up and restore all 16 sequencer patterns, and capture the whole instrument to a snapshot. • DX7 family: send patches and 32-voice banks to a DX7, TX7, TX802, the original Volca FM or the M-VAVE FM-1 over standard Yamaha voice dumps. FREE AND PRIVATE Every feature is free; tips are optional and unlock nothing. Rithmatic works offline and collects no personal data: no account, no analytics, no ads. KORG and volca are trademarks of Korg Inc., DX7 and TX of Yamaha Corporation, M-VAVE of its owner. Rithmatic is an independent app, not affiliated with or endorsed by any of them.
Screenshots
Verdict
The clearest difference is price: Rithmatic at Free against Ambience.'s $4.99. Rithmatic also leads on update cadence (every 2 days vs every 5 days) and device support (4 vs 2). Ambience.'s advantage is in-app purchases (none vs 4). On ads 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
Rithmatic is free to download; Ambience. costs $4.99 up front. Rithmatic sells 4 one-off in-app purchases. Ambience. asks for nothing beyond the download.
Ambience. ships an update every 5 days, Rithmatic every 2 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.
| Parameter | Ambience. | Rithmatic |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | — | 4.6 (9 ratings) — better |
| Positive reviews | — | 66.7% of reviews |
| Number of ratings | — | 9 — better |
| Update frequency | Every 5 days | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 61 MB |
| Age rating | 4+ | 4+ |
| Developer | Norcoast Audio Ltd | MADE WITH BEST PRACTICE LLC |
In-app purchases
Ambience.
No in-app purchases
Rithmatic
- Comrade!$4.99
- Major Supporter$9.99
- Supporting Member$19.99
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- Underwriter$49.99
Questions
Is Ambience. free?
Is Rithmatic free?
Do Ambience. or Rithmatic have ads?
Which is updated more often, Ambience. or Rithmatic?
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