# SMD vs SubVox

The clearest difference is review sentiment: SubVox at 100% against SMD's 50%. SubVox also leads on price (Free vs $19.99) and iOS requirement (18.0 vs 26.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

SubVox is free to download; SMD costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SMD ships an update weekly, SubVox every 2 weeks. The most recent releases landed on September 10, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | SMD | SubVox |
| --- | --- | --- |
| Price | $19.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/subvox/id6756152870/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 1 MB | 59 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [YOSHINOBU HONGO](https://appshunter.io/developer/1678909753) | [Christopher Canfield](https://appshunter.io/developer/1858743373) |

## What reviewers say

### SMD

[App page](https://appshunter.io/ios/app/smd-simple-magnetic-detector/id6446756301)

This tool for Apple Watch detects magnetic fields, offering detailed sensor views and customizable notifications. It provides polarity-specific haptic feedback and is recommended for Series 6 and later models for optimal performance.

**Highlights:** Magnetic field component monitoring (X, Y, Z), Customizable sensitivity, Notification interval settings, Significant change detection alerts, Polarity-specific haptic feedback, Analog Watch Mode for optimal performance

**Features:** Apple Watch app

**In-app purchases:** none


### SubVox

[App page](https://appshunter.io/ios/app/subvox/id6756152870)

This tool allows for hands-free content extraction and action triggering using voice commands. It processes audio locally by default, with optional cloud AI integration. Privacy is a core focus, with no storage or collection of user audio or text data.

**Highlights:** Voice-triggered context extraction, Custom start and stop phrases, On-device speech processing, Optional conversational AI, Background mode, Third-party integrations, watchOS companion app

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SMD free?

SMD costs $19.99, with no in-app purchases.

### Is SubVox free?

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

### Do SMD or SubVox have ads?

Neither SMD nor SubVox shows ads.

### Which is updated more often, SMD or SubVox?

SMD ships an update weekly, and SubVox every 2 weeks. Most recently, SMD was updated on September 10, 2026 and SubVox on September 5, 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.*