SimpleTone vs Porthole Audio
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SimpleTone
This application provides a straightforward virtual tuning fork. Simply select your desired pitch to tune your instrument. It aims to offer a no-nonsense, ad-free experience for musicians.
- Virtual tuning fork
- Pitch selection
- Ad-free experience
- Simple interface
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It's a virtual tuning fork. Select the pitch you want to tune to. That's it. I got tired of all the BS tuning apps that have ads and purchases built in. C'mon, we're better than this.
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 captures audio from other apps and sends it directly to AUv3 samplers. No screen recordings, video trimming, or file transfers required. AUv3 Hosting Open a compatible sampler inside Porthole and capture audio directly into it. AUv3 Instrument Load Porthole in AUM, Loopy Pro, GarageBand, or another compatible host. Direct Audio Capture Record audio playing in other apps without creating video files or extracting audio afterward.
Screenshots
Verdict
The clearest difference is price: SimpleTone at Free against Porthole Audio's $4.99. Porthole Audio's advantage is ratings volume (4 vs 1). On rating, 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
SimpleTone is free to download; Porthole Audio costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for SimpleTone against 5.0 for Porthole Audio. Both are backed by a comparable volume of ratings — 1 and 4 respectively.
| Parameter | SimpleTone | Porthole Audio |
|---|---|---|
| Price | Free — better | $4.99 |
| Rating | 5.0 (1 ratings) | 5.0 (4 ratings) |
| Positive reviews | — | 50.0% of reviews |
| Number of ratings | 1 | 4 — better |
| Update frequency | — | Every 11 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 26.1 — better | 27.0 |
| Further details — not scored | ||
| Size | 2 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Evan Brass | Feras Alnatsheh |
Customer experience
SimpleTone
Porthole Audio
In-app purchases
SimpleTone
No in-app purchases
Porthole Audio
No in-app purchases
