Rivet 01 vs Oktopus Synthesizer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Rivet 01
This audio effect plugin adds saturation and drive to your music, perfect for techno and industrial genres. It can be used on drum, synth, or mix buses to enhance weight and grit, offering subtle warmth to aggressive crunch. It functions as both a standalone app and an AUv3 plugin.
- Console-style saturation and drive
- AUv3 plugin compatibility
- Standalone app functionality
- Oversampling for clean high-drive
- High pass filtering
- Pedal-style character
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Rivet 01 - Console is a console-style saturation and drive AUv3 built for techno and industrial. Put it on a drum bus, synth bus, or mix bus to add weight, grit, and “glue”, from subtle warmth to aggressive crunch. Console works both as a standalone app and an AUv3 plugin. Console combines a fast, punchy drive stage with a console EQ + saturation circuit, plus oversampling for cleaner high-drive tones when you need it. KEY FEATURES • Pedal-style drive and character • Console-style overdrive and EQ • High pass filtering, pre and post EQs RIVET SERIES / OPEN SOURCE • Console is part of my Rivet series of AUv3 effects plugins targeting techno and industrial genres. Rivet plugins are based on the amazing open-source Airwindows DSP code and are made available free. AUv3 Effect • Works in AUv3 hosts such as AUM, Drambo, Logic, and Cubasis IN-APP PURCHASE Console includes In-App Purchases for optional tipping. Tipping does not unlock any additional features as all features are already available.
Oktopus Synthesizer
This powerful iOS synthesizer and AUv3 extension allows for deep sound design and music creation. Shape sounds with 8 synth blocks, combine oscillators and samples, and utilize a flexible effects chain. It functions as a standalone instrument or within compatible DAWs.
- 8-block synth architecture
- Oscillator and sample combination
- AUv3 instrument support
- Sample loading and playback
- Flexible effects chain
- MPE and MIDI input support
- Built-in spectrometer
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Oktopus is a deep synthesizer and AUv3 extension instrument with a modular spirit built for sound design, performance, and music creation in any compatible DAW or standalone. This app includes an AUv3 extension! Shape sounds across 8 synth blocks, combine oscillators and samples, route MIDI creatively, and build movement with LFOs, arpeggiators, modulation, and a flexible effects chain. Use Oktopus as a standalone instrument or load it inside AUv3-compatible iOS hosts / DAWs. Features: + 8-block synth architecture for layered and evolving sounds + MIDI Sequencer for limitless song arrangement + MPE and MIDI input support + AUv3 instrument support for compatible hosts + Sample loading, slicing, and playback tools + Built-in recording and sample export workflow + Built-in spectrometer to clearly see what you're creating + Per-block arpeggiator and sequencing controls + LFOs, modulation routing, and performance macros + Factory presets and factory samples included + Share Voice Memos/Audio Files/Photos/Video clips to the app to sample almost anything you can imagine. Supported files: AIFF, MP3, WAV, MP4, MOV, JPEG, HEIF, PNG, SVG + Spectral synthesis + Flexible effects chain with EQ, distortion, bitcrusher, compressor, phaser, flanger, chorus, filter, delay, and reverb + Touch-friendly interface for iPhone and iPad music creation + Custom zoom level Oktopus is made for producers, composers, and experimental musicians who want a powerful synth environment that can move from quick ideas to detailed sound design.
Screenshots
Verdict
The clearest difference is price: Rivet 01 at Free against Oktopus Synthesizer's $4.99. Rivet 01 also leads on rating (5.0 vs 4.8) and review sentiment (100% vs 90%). Oktopus Synthesizer's advantage is in-app purchases (none vs 3) and iOS requirement (15 vs 17.6). On ratings volume, update cadence, 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
Rivet 01 is free to download; Oktopus Synthesizer costs $4.99 up front. Rivet 01 sells 3 one-off in-app purchases. Oktopus Synthesizer asks for nothing beyond the download.
Rivet 01 holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 6 and 12 respectively. Written reviews point the same way: 100% of Rivet 01's written reviews are positive against 90% of Oktopus Synthesizer's.
Rivet 01 ships an update every 10 days, Oktopus Synthesizer every 5 days. Both last shipped on October 24, 2026.
| Parameter | Rivet 01 | Oktopus Synthesizer |
|---|---|---|
| Price | Free — better | $4.99 |
| Rating | 5.0 (6 ratings) — better | 4.8 (12 ratings) |
| Positive reviews | 100.0% of reviews — better | 90.0% of reviews |
| Number of ratings | 6 | 12 — better |
| Update frequency | Every 10 days | Every 5 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Paid |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 15 — better |
| Further details — not scored | ||
| Size | 4 MB | 111 MB |
| Age rating | 4+ | 4+ |
| Developer | Joe Topjian | Vyacheslav Koristov |
Customer experience
Rivet 01
Oktopus Synthesizer
In-app purchases
Rivet 01
- Tip - Small$0.99
- Tip - Medium$1.99
- Tip - Large$3.99
Oktopus Synthesizer
No in-app purchases









