SEKONIC LD vs ScreenGlow Mobile
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
SEKONIC LD
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With SEKONIC LD, you can use the full functionality of the spectrometer C-4000. You can remotely control the C-4000 via Bluetooth and view graphs of measurement data in various way. It displays illuminance (lux or foot-candle), deviation (โฟuv), color temperature (K), color rendering index (CRI/TM-30), and CIE1931 chromaticity coordinates (x,y). and imports stored data from the C-4000. SEKONIC LD offers upgrade option with in-app purchases (3-month subscription, 12-month subscription), including a 2-week free trial. With the upgrade, you can import drawings such as lighting layouts or site photos, and link measured values directly on them. Even if you stop the measurement midway, you can add notes to the saved data, making it convenient for multiple measurements. You can also attach smartphone images and notes to each measurement data. Location information of sites can also be attached with GPS data. Compile project data into simple reports, output as PDFs, or export as CSVs for further processing. License Agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
ScreenGlow Mobile
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Fully functional tool for filmmakers to use their iOS device screen as a lighting device. Useful for both Illumination from the display and to use as a screen chroma key. Modes include CCT, RGB, HSL, Party FX, TV FX, and DMX-Control via Art-Net or sACN traffic on the connected network.
Screenshots
Verdict
The clearest difference is price: SEKONIC LD at Free against ScreenGlow Mobile's $4.99. ScreenGlow Mobile's advantage is in-app purchases (none vs 2) and update cadence (every 10 days vs every 9 months). On ads, device support and iOS requirement there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
SEKONIC LD is free to download; ScreenGlow Mobile costs $4.99 up front. SEKONIC LD sells 2 in-app purchases, starting at $49.99 per 3 months. ScreenGlow Mobile asks for nothing beyond the download.
SEKONIC LD ships an update every 9 months, ScreenGlow Mobile every 10 days. The most recent releases landed on October 3, 2026 and October 15, 2026 respectively.
| Parameter | SEKONIC LD | ScreenGlow Mobile |
|---|---|---|
| Price | Free โ better | $4.99 |
| Update frequency | Every 9 months | Every 10 days โ better |
| Ads | No | No |
| In-app purchases | Yes | No โ better |
| Devices | iPhone, iPad | iPhone, iPad, iPod โ better |
| Requires iOS | 16.0 | 15.0 โ better |
| Further details โ not scored | ||
| Size | 33 MB | 56 MB |
| Age rating | 4+ | 4+ |
| Developer | Sekonic | Canary Yellow Applications, LLC |
In-app purchases
SEKONIC LD
- 3 months subscription14 Days trial$49.993 Months
- 12 months subscription14 Days trial$119.991 Year
ScreenGlow Mobile
No in-app purchases
Questions
Is SEKONIC LD free?
Is ScreenGlow Mobile free?
Do SEKONIC LD or ScreenGlow Mobile have ads?
Which is updated more often, SEKONIC LD or ScreenGlow Mobile?
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