M vs RasterFX
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
M
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That 8-bit sound ā with the real mechanism behind it. M-NES is a chiptune workstation that recreates the RP2A03 APU, the sound chip of the classic 8-bit game console, at the register level. Two pulse channels, a triangle, a noise channel, and 1-bit DPCM samples: the five channels the hardware actually has, laid out on a piano roll. You are not composing with presets that sound "close enough" ā you are driving the chip itself. FIVE-CHANNEL APU SOUND ENGINE ⢠Two pulse waves with four duty cycles, hardware sweep, and envelopes ⢠Triangle with the linear counter ā that round, fat bass ⢠Noise with 16 periods plus the 93-step short mode; pick the period by note pitch ⢠DMC channel playing 1-bit DPCM samples ⢠Switchable NTSC, PAL, and Dendy clocks and frame rates ⢠48 kHz mono output, just like the hardware A PIANO ROLL THAT FEELS RIGHT ⢠Tap to write, drag to move, pull the edge to resize ⢠8th, 16th, and 32nd quantize ⢠Note velocity maps straight to the APU volume registers ⢠Per-track mute and solo, undo and redo, autosave BUILT-IN NSF PLAYER ⢠Open .nsf or .nsfe and the built-in 6502 CPU and APU emulation play the original ⢠Multi-song files show a track list with titles and durations ⢠Single, repeat, and play-all modes TURN A SONG INTO EDITABLE NOTES ⢠Re-emulates the selected song and tracks every APU register write, frame by frame ⢠Recovers pitch, timing, velocity, duty cycles, and noise periods into five editable tracks ⢠Use it to study, remix, or continue a track ā transcribed songs play back immediately DPCM SAMPLES ⢠Import raw 1-bit .dmc data ⢠Convert WAV, AIFF, and CAF to hardware-spec 1-bit DPCM automatically ⢠Place drums and voice clips with a waveform preview HARDWARE-ACCURATE EXPORT ⢠NSF and NSFe export with a built-in 6502 driver and APU register stream ⢠48 kHz mono WAV master ⢠.nesseq project files containing all editing data PRIVACY ⢠No account, no ads, no tracking ⢠Composing, playback, and export all happen on your device, fully offline MADE FOR ⢠Chiptune musicians who want the real sound, not an imitation ⢠Game developers preparing hardware-spec music and sound effects ⢠Anyone who wants to learn how 8-bit sound actually works ā duty cycles, DPCM, noise periods ā hands on --- M-NES is an independent product. It is not affiliated with, sponsored by, or endorsed by any video game console manufacturer. NSF and NSFe are community file formats used to preserve 8-bit game music. NSF files may contain third-party copyrighted material; import and export only within the rights you hold.
RasterFX
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Make any sound move. RasterFX is a playable modular multi-effects processor for iPhone and iPad. Use it standalone with a microphone, an imported audio file or built-in signals ā or load it as an AUv3 audio effect in AUM, GarageBand, Logic Pro for iPad, Loopy Pro, Cubasis and other Audio Unit hosts. BUILD YOUR EFFECT CHAIN Choose from Filter, Delay, Drive, Reverb, Grain, Repeat, Motion and Dynamics. Arrange up to six plates in series or split them into parallel A/B paths. Reorder the chain and the sound changes with it. MODULATE ANY CONTROL Patch LFOs, envelope followers, random and chaos sources, step sequencers, MIDI, macros, the XY pad or device tilt to any control. Create up to 16 modulation lines, with live arcs showing exactly how the sound is moving. PERFORM THE PATCH Morph between four snapshots on the XY pad. Turn eight macros. Hold four momentary throws for stutter, sweep, reverse and freeze. RasterFX is built to be played with one hand, not programmed and left alone. GENERATE, LOCK, EVOLVE Nudge a patch, reshape it or roll a new one. Lock the parts you want to keep, undo any result and save the seeds worth returning to. Evolve lets the patch drift over time while staying anchored to the sound you chose. SEE WHAT YOU HEAR Every effect has its own live visualizer. The CRT and halftone interface makes filters, delay taps, grains, dynamics and modulation visible without turning the screen into a wall of meters. RECORD THE RESULT Record the processed output to WAV, rename takes and share them from the app. FREE TO START. PRO ONCE. Free includes all eight effects, all modulation sources, every factory preset, three plates, four modulation lines and 60-second recordings. No ads, account, watermark or reduced audio quality. RasterFX Pro is a one-time purchase ā not a subscription. It unlocks six plates, 16 modulation lines, split routing, XY snapshot morphing, Evolve, A/B compare, unlimited recording length and your own saved presets. Your saved sound always plays back exactly as created, even if it uses Pro features; Free limits editing, never playback. Made for headphones, late at night.
Screenshots
Verdict
The clearest difference is price: RasterFX at Free against M's $6.99. M's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
RasterFX is free to download; M costs $6.99 up front. RasterFX sells 1 one-off in-app purchase. M asks for nothing beyond the download.
| Parameter | M | RasterFX |
|---|---|---|
| Price | $6.99 | Free ā better |
| Update frequency | Every 4 days | ā |
| Ads | No | No |
| In-app purchases | No ā better | Yes |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 | 17.0 |
| Further details ā not scored | ||
| Size | 5 MB | 5 MB |
| Age rating | +4 | 4+ |
| Developer | Code and DESIGN inc. | Chih Han Lin |
In-app purchases
M
No in-app purchases
RasterFX
- RasterFX Pro$3.99









