Comparison

Smart Trigger vs Luminic Light Meter

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

Head to head
About

Smart Trigger

Control your compatible DSLR camera wirelessly from your smartphone. Offers modes for regular shots, long exposures, and time-lapses, allowing for advanced photography techniques up to 50 feet away.

Highlights
  • Wireless camera shutter release
  • Timed photography tasks
  • Delay starting moment
  • Manage exposure time
  • Set shooting interval
  • Control up to 50 ft away
  • Regular, Manual, and Timed Shot modes
Features
Read full description

Note: Smart Trigger apps requires Bluetooth 4.0 Smart Trigger hardware that is available through: http://www.satechi.net/smart-trigger Smart Trigger is an advanced DSLR camera shutter release app which can be used to release camera shutter, as well as to be programmed to run timed photography task, etc. Delay the starting moment, manage exposure time, set shooting interval or organize numbers of shots. It allows you to control camera shutter up to 50 ft away from a compatible DSLR camera. Using Bluetooth technology to link your DSLR camera to your smart phone, the Smart Trigger allows for precise control of your pictures with three different shooting modes: Regular Shot mode allows your smart phone to act as a wireless shutter for your camera. Simply touch the button on your smart phone to capture a picture – perfect for including the photographer in group shots! Manual Shot mode allows you to take long exposures in bulb mode. Featuring a focus button and a shutter lock, use Manual Shot for photographic techniques like star trails and light painting. Timed Shot mode converts your smart phone to a full-featured intervalometer. Use this mode to perform advanced photography techniques like time-lapses.

About

Luminic Light Meter

Features
Read full description

The light meter your film camera is missing. Point your iPhone at the scene, press MEASURE, set your camera. Accurate to within 1/3 stop, tested against professional meters. Luminic looks and works like the handheld meters of the 80s and 90s: a real LCD, real stops, no clutter. Built by a film shooter, for film shooters. METERING • Aperture priority: set your f-stop, get the shutter speed. • Shutter priority: set your speed, get the f-stop. • Scroll through equivalent exposure pairs to pick the combination you want. • Spot metering for reading just the highlight or shadow that matters. • Exposure compensation to shift the reading before you measure. READING LOG Stop scribbling exposures in a notebook. Flip the LOG switch and every reading is saved with aperture, shutter, ISO, timestamp, and a thumbnail of the scene. Long-press LOG to review your session. Up to 50 readings, stored only on your phone. ACCURACY • Full ISO range from 3 to 8000, in real 1/3 stops. • Calibration trim to match your own camera's meter, up to 2 EV in either direction. • A REC indicator and a confirmation tick tell you every reading landed. NO NONSENSE Works completely offline. No account, no ads, no tracking, no subscription. Buy it once, meter forever. PRIVACY Luminic does not collect or transmit any data. The camera is used only to measure light. Your reading log, thumbnails included, never leaves your device.

Screenshots

Smart Trigger4 screens
Luminic Light Meter4 screens

Verdict

The call

The clearest difference is price: Smart Trigger at Free against Luminic Light Meter's $3.99. Smart Trigger also leads on iOS requirement (7.0 vs 17.0). Luminic Light Meter's advantage is update cadence (every 3 days vs every 6 weeks). 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

CostPrice · In-app purchases · Ads · Monetization

Smart Trigger is free to download; Luminic Light Meter costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Smart Trigger ships an update every 6 weeks, Luminic Light Meter every 3 days. The most recent releases landed on October 5, 2026 and September 21, 2026 respectively.

Scorecard3 real differences · 7 level
Smart Trigger versus Luminic Light Meter: the parameters behind the verdict, then further details
ParameterSmart TriggerLuminic Light Meter
PriceFree — better$3.99
Rating1.0 (1 ratings) — better—
Positive reviews28.6% of reviews—
Number of ratings1 — better—
Update frequencyEvery 6 weeksEvery 3 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPod — betteriPhone
Requires iOS7.0 — better17.0
Further details — not scored
Size8 MB1 MB
Age rating4+4+
DeveloperSatechiFELIX SWENSSON

In-app purchases

None

Smart Trigger

No in-app purchases

None

Luminic Light Meter

No in-app purchases

Questions

Is Smart Trigger free?
Smart Trigger is free to download, with no in-app purchases.
Is Luminic Light Meter free?
Luminic Light Meter costs $3.99, with no in-app purchases.
Do Smart Trigger or Luminic Light Meter have ads?
Neither Smart Trigger nor Luminic Light Meter shows ads.
Which is updated more often, Smart Trigger or Luminic Light Meter?
Smart Trigger ships an update every 6 weeks, and Luminic Light Meter every 3 days. Most recently, Smart Trigger was updated on October 5, 2026 and Luminic Light Meter on September 21, 2026.

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