Comparison

Steelhead vs Light Matter Kit

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

Head to head
About

Steelhead

This utility app allows users to connect to and configure compatible sensors via Bluetooth. It enables direct sensor diagnostics, immediate readings, and downloading of stored data for analysis.

Highlights
  • Bluetooth (BLE) connectivity
  • Sensor configuration (add/change sensors)
  • Reporting/sampling interval adjustment
  • SDI-12 Transparent mode for diagnostics
  • Immediate current readings
  • Download stored data
Features
Read full description

• Connect via Bluetooth (BLE) • Configuration: add/change sensors, reporting/sampling interval, and more! • SDI-12 Transparent mode: talk directly to the sensor for diagnostics • Current readings: take an immediate reading • Download stored data

About

Light Matter Kit

Features
Read full description

Light Matter Kit (LMK) is a Bluetooth utility for smart lighting with fast device discovery and control, group management, and firmware OTA.

Screenshots

Steelhead4 screens
Light Matter Kit4 screens

Verdict

The call

The clearest difference is update cadence: Steelhead at every 5 weeks against Light Matter Kit's every 9 months. On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Steelhead ships an update every 5 weeks, Light Matter Kit every 9 months. Both last shipped on November 3, 2026.

Scorecard1 real difference · 8 level
Steelhead versus Light Matter Kit: the parameters behind the verdict, then further details
ParameterSteelheadLight Matter Kit
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 5 weeks — betterEvery 9 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.012.0 — better
Further details — not scored
Size75 MB35 MB
Age rating4+4+
DeveloperStevens Water Monitoring Systems, Inc.FEIBIT ELECTRONIC TECHNOLOGY CO., LTD.

In-app purchases

None

Steelhead

No in-app purchases

None

Light Matter Kit

No in-app purchases

Questions

Is Steelhead free?
Steelhead is free to download, with no in-app purchases.
Is Light Matter Kit free?
Light Matter Kit is free to download, with no in-app purchases.
Do Steelhead or Light Matter Kit have ads?
Neither Steelhead nor Light Matter Kit shows ads.
Which is updated more often, Steelhead or Light Matter Kit?
Steelhead ships an update every 5 weeks, and Light Matter Kit every 9 months. Most recently, Steelhead was updated on November 3, 2026 and Light Matter Kit on November 3, 2026.

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