# SX vs Portable Light Meter

The clearest difference is price: SX at Free against Portable Light Meter's $0.99. SX also leads on update cadence (every 3 weeks vs every 8 months) and iOS requirement (15.1 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

SX is free to download; Portable Light Meter costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SX ships an update every 3 weeks, Portable Light Meter every 8 months. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | SX | Portable Light Meter |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.0 (7 ratings)](https://appshunter.io/ios/app/sx-70r/id6450763416/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 8 months |
| Monetization | Free | — |
| Size | 34 MB | 1 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [永民 陆](https://appshunter.io/developer/1694852277) | [家啟 褚](https://appshunter.io/developer/1576063354) |

## What reviewers say

### SX

[App page](https://appshunter.io/ios/app/sx-70r/id6450763416)

This application revolutionizes Bluetooth device control with an intuitive interface and advanced features. Manage multiple devices simultaneously, customize controls, and enjoy secure, reliable connections for audio, smart home, and more.

**Highlights:** Intuitive user interface, Multi-device management, Customizable control panels, Audio equalizers, Device search, Connection history, Secure and reliable

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Portable Light Meter

[App page](https://appshunter.io/ios/app/portable-light-meter/id6741569936)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SX free?

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

### Is Portable Light Meter free?

Portable Light Meter costs $0.99, with no in-app purchases.

### Do SX or Portable Light Meter have ads?

Neither SX nor Portable Light Meter shows ads.

### Which is updated more often, SX or Portable Light Meter?

SX ships an update every 3 weeks, and Portable Light Meter every 8 months. Most recently, SX was updated on October 25, 2026 and Portable Light Meter on October 28, 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.*