OscDrax vs ostinata
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OscDrax
Create unique sounds by drawing waveforms with your finger. This app allows you to combine four independent tracks for complex soundscapes, offering professional controls for detailed sound design.
- Draw custom waveforms
- 4-track multi-timbral synthesis
- High-resolution waveform editor
- Adjustable frequency range (20Hz-20kHz)
- Portamento effect
- Individual track volume control
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Your Fingertips Create New Sounds OscDrax is an innovative iOS waveform synthesizer that enables professional sound design through intuitive touch controls. Simply draw waveforms with your finger to instantly create original tones. Combine four independent tracks to build complex, rich soundscapes. Unleash Creativity with the Waveform Editor Our waveform drawing system maximizes the potential of touchscreen technology. With 512-point high resolution, accurately reproduce any waveform you imagine. Classic waveforms like sine, triangle, square, and sawtooth are also available at a single tap. Designed for everyone from beginners to professionals. 4-Track Multi-Timbral Synthesis Each track operates completely independently with its own waveform, frequency, and volume settings. Layer multiple tracks simultaneously to create thick, complex tones impossible with a single oscillator. Professional Controls Frequency Adjustment (20Hz-20kHz) Full coverage of human hearing range. Logarithmic scale slider provides musically natural control from bass to treble. Portamento Function (0-1000ms) Smooth glide effect between pitches. Faithfully reproduces the warm expression of analog synthesizers. Individual Volume Control Fine-tune each track's volume from 0-100%. Achieve ideal balance with precision mixing.
ostinata
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ostinata lets you map the actual paths you take through music. ever gone from radiohead to aphex twin because kid a changed how you think about electronic music? from miles davis to j dilla because someone sampled a love supreme? ostinata turns those invisible threads into visual, shareable directed graphs. — how it works — create a journey by adding nodes — artists, albums, genres, emotions, or concepts. connect them with directed edges that show which discovery led to which. add reasoning text to explain the connection. the result is a map of your taste that others can explore, fork, and build on. — search & discover — search for artists and albums via musicbrainz, the open music encyclopedia. album nodes display cover art. long-press any node to open its musicbrainz page for deeper exploration. — fork & remix — see a journey that resonates? fork it. you get a copy of the entire graph — all nodes, edges, and reasoning — that you can extend, rearrange, or take in a completely different direction. — bounties — post discovery challenges for the community. set a topic like "find the link: kraftwerk to detroit techno," define seed nodes as starting points, and offer resonance as a reward. other users form guilds of five to tackle the challenge together. — your data, your cloud — everything syncs privately via icloud. we store nothing on our servers. your journeys, your data, your control. — design — black canvas. white lines. ibm plex mono. all lowercase. album art in grayscale. ostinata is built for people who care about how things look as much as how they sound. ostinata — discovery through human curation.
Screenshots
Verdict
The clearest difference is price: ostinata at Free against OscDrax's $0.49. ostinata also leads on rating (5.0 vs 4.0). OscDrax's advantage is update cadence (daily vs every 9 days). On ratings volume, ads, in-app purchases 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
ostinata is free to download; OscDrax costs $0.49 up front. Neither carries in-app purchases, so what you see is what you pay.
ostinata holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
OscDrax ships an update daily, ostinata every 9 days. The most recent releases landed on October 21, 2026 and October 25, 2026 respectively.
| Parameter | OscDrax | ostinata |
|---|---|---|
| Price | $0.49 | Free — better |
| Rating | 4.0 (1 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 | 1 |
| Update frequency | Daily — better | Every 9 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.6 | 17.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Junpei Wada | Joachim Groeger |
In-app purchases
OscDrax
No in-app purchases
ostinata
No in-app purchases









