# Secure Programmable Router vs Sound

The clearest difference is ads: Secure Programmable Router at none against Sound's shown. Sound's advantage is update cadence (every 2 weeks vs every 4 weeks) and device support (3 vs 1). On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Secure Programmable Router ships an update every 4 weeks, Sound every 2 weeks. The most recent releases landed on September 4, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Secure Programmable Router | Sound |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/secure-programmable-router/id6443709201/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 weeks | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 17 MB | 36 MB |
| Requires iOS | 16.0 | **15.8.3** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Supernetworks, Inc.](https://appshunter.io/developer/1648557499) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## What reviewers say

### Secure Programmable Router

[App page](https://appshunter.io/ios/app/secure-programmable-router/id6443709201)

Manage and configure your Supernetworks SPR router remotely. Receive important notifications and set up VPN connections for enhanced security and connectivity.

**Highlights:** Remote router configuration, View router status, Receive notifications, VPN setup, Device management

**Features:** Vision Pro support

**In-app purchases:** none


### Sound

[App page](https://appshunter.io/ios/app/sound-classification/id6504697264)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Secure Programmable Router free?

Secure Programmable Router is free to download, with no in-app purchases.

### Is Sound free?

Sound is free to download, with no in-app purchases.

### Do Secure Programmable Router or Sound have ads?

Sound shows ads; Secure Programmable Router does not.

### Which is updated more often, Secure Programmable Router or Sound?

Secure Programmable Router ships an update every 4 weeks, and Sound every 2 weeks. Most recently, Secure Programmable Router was updated on September 4, 2026 and Sound on September 14, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*