ScopeNode vs Porthole Audio
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ScopeNode
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ScopeNode is a multi-input oscilloscope, capable of visualizing multiple tracks layered on top of each other. The plugin features a suite of phase alignment tools built around an interactive visual workflow tailored specifically for the low end. These can help eliminate low-frequency clashes at the source so your tracks layer perfectly without heavy reliance on aggressive sidechain dips. The result is a much smoother, more fluid bass response. Beyond phase alignment, ScopeNode is perfect for visualizing how individual components line up, checking delays between signal points, or analyzing precise pre and post waveform differences across third-party plugins or subchains. FEATURES: - Free-Running & Beat-Synced Modes - 4-Layer Scope Matrix + Live Summing: Layer up to four audio tracks simultaneously with a real-time composite summing view for instant clash detection - Separate controls for visualization and sum inclusion to accommodate special use cases (optional) - Phase shifter with configurable center frequency and Q factor (one per track) - Sample grid delay, phase invert, gain control also available for each track - Multi-instance workflow: Drop plugin instances ("probes") anywhere in your signal paths to capture and compare tracks instantly TECHNICAL NOTES: - When enabled, it's recommended to verify that Plug-in Latency Compensation is not affecting synchronization in unexpected ways with the given set of active third-party plugins - Manual phase alignment is an advanced, hands-on process that requires time and active engineering effort, depending on the complexity of the tracks involved - Workflows could be greatly impacted by specific features of your DAW, e.g. ease of automation envelope editing, ways of laying out multiple viewports, etc. PLEASE NOTE: • An AUv3-compatible host is required to use this app (true interoperability can vary across different apps) • Please check our support page for a list of compatible host applications • Officially supported sampling rates: 44.1, 48, 96 kHz
Porthole Audio
This app captures system audio from your device and routes it into audio plug-ins. It allows you to host AUv3 plug-ins and use the app itself as an instrument within other music applications.
- Capture system audio
- Route audio to plug-ins
- Host AUv3 plug-ins
- Use as an AUv3 instrument
- Cross-app audio capture
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Porthole is a simple way to get sounds from other apps into your music. Capture audio straight into an AUv3 sampler, without saving a video or moving files around. - Open an AUv3 sampler right inside Porthole and capture into it. - Prefer your existing setup? Load Porthole as an AUv3 instrument in your favorite host. - Keep capturing while you switch between apps. - On iOS and iPadOS 27.2 and later, hear the plug-in while you capture. Hear a sound you like? Get it into your sampler in a few taps.
Screenshots
Verdict
The clearest difference is chart position: Porthole Audio at #142 against ScopeNode's unranked. ScopeNode's advantage is iOS requirement (16.4 vs 27.0). On price, 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
ScopeNode costs $4.99 and Porthole Audio $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | ScopeNode | Porthole Audio |
|---|---|---|
| Price | $4.99 | $4.99 |
| Rating | — | 5.0 (3 ratings) — better |
| Positive reviews | — | 50.0% of reviews |
| Number of ratings | — | 3 — better |
| Update frequency | — | Every 10 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Best chart rank | — | #142 — better |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.4 — better | 27.0 |
| Further details — not scored | ||
| Size | 3 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | quantovox | Feras Alnatsheh |
In-app purchases
ScopeNode
No in-app purchases
Porthole Audio
No in-app purchases









