SX vs Portable Light Meter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SX
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.
- Intuitive user interface
- Multi-device management
- Customizable control panels
- Audio equalizers
- Device search
- Connection history
- Secure and reliable
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The SX-70R App allows you to connect and operate your SX-70R camera, providing a smooth user experience and a wealth of features. ■ Connect to the SX-70R camera's built-in manual exposure program for greater creative control. ■ Need a selfie? Now you can use the stable remote control function. ■ The improved UI interface makes your operation smoother and significantly improves stability. ■ A new and improved renaming page has been added, allowing you to customize your camera's name. The SX-70R App gives you a more complete camera experience!
Portable Light Meter
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This is an app designed for photographers and photography enthusiasts— a portable light meter application. It helps you measure exposure for time-lapse photography and film photography, and even supports ND filters in aperture priority mode. The app supports both aperture priority and shutter priority modes, exposure lock, saving and recording current metering data, and switching between front and rear cameras for metering. Additionally, it also supports measuring color temperature and EV values.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | SX | Portable Light Meter |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 4.0 (7 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 7 — better | — |
| Update frequency | Every 3 weeks — better | Every 8 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.1 — better | 17.0 |
| Further details — not scored | ||
| Size | 34 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | 永民 陆 | 家啟 褚 |
In-app purchases
SX
No in-app purchases
Portable Light Meter
No in-app purchases
