Comparison

CRMX Toolbox2 vs SEKONIC LD

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

CRMX Toolbox2

Manage and connect to your CRMX devices with this utility app. It allows for firmware updates and configuration of all Bluetooth-enabled CRMX products, simplifying device management.

Highlights
  • Connect to CRMX devices
  • Track CRMX devices
  • Conduct firmware updates
  • Configure Bluetooth CRMX products
Features
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The CRMX Toolbox app is designed to make it easier to track and connect to your fixtures and devices. The key features of the app is the ability to conduct firmware updates and enable configuration of all bluetooth CRMX products.

About

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 (⊿uv), 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/

Screenshots

CRMX Toolbox24 screens
SEKONIC LD4 screens

Verdict

The call

The clearest difference is in-app purchases: CRMX Toolbox2 at none against SEKONIC LD's 2. CRMX Toolbox2 also leads on update cadence (every 2 months vs every 9 months). On price, ads, device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. SEKONIC LD sells 2 in-app purchases, starting at $49.99 per 3 months. CRMX Toolbox2 asks for nothing beyond the download.

UpkeepUpdate frequency

CRMX Toolbox2 ships an update every 2 months, SEKONIC LD every 9 months. The most recent releases landed on October 24, 2026 and October 3, 2026 respectively.

Scorecard2 real differences · 8 level
CRMX Toolbox2 versus SEKONIC LD: the parameters behind the verdict, then further details
ParameterCRMX Toolbox2SEKONIC LD
PriceFreeFree
Rating2.2 (9 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings9 — better—
Update frequencyEvery 2 months — betterEvery 9 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better16.0
Further details — not scored
Size78 MB33 MB
Age rating4+4+
DeveloperLumenRadio ABSekonic

In-app purchases

None

CRMX Toolbox2

No in-app purchases

2 purchases

SEKONIC LD

Subscriptions2
  • 3 months subscription14 Days trial$49.993 Months
  • 12 months subscription14 Days trial$119.991 Year

Questions

Is CRMX Toolbox2 free?
CRMX Toolbox2 is free to download, with no in-app purchases.
Is SEKONIC LD free?
SEKONIC LD is free to download, with in-app purchases available.
Do CRMX Toolbox2 or SEKONIC LD have ads?
Neither CRMX Toolbox2 nor SEKONIC LD shows ads.
Which is updated more often, CRMX Toolbox2 or SEKONIC LD?
CRMX Toolbox2 ships an update every 2 months, and SEKONIC LD every 9 months. Most recently, CRMX Toolbox2 was updated on October 24, 2026 and SEKONIC LD on October 3, 2026.

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