Light Meter vs BLTC Smart Driver Output
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Light Meter
This app functions as a precise and user-friendly light meter using your phone's built-in sensors. It measures illuminance, color temperature, PPFD/PAR, DLI, and luminous flux in real-time. It also includes a calculator for various illumination parameters and allows sharing or saving of measurements.
- Real-time illuminance measurement
- Color temperature measurement
- PPFD/PAR and DLI calculation
- Built-in illumination calculator
- Share and save measurements
- No additional equipment needed
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Lux-525 Pro – universal, highly-precise, and easy to use light meter. - Requires no additional equipment, everything you need is already in your phone - Calibrated with professional light meter - Smart algorithm provides unsurpassed accuracy in all conditions - Real-time measurements of illuminance, color temperature, PPFD/PAR, DLI and luminous flux - Large collection of light sources necessary for accurate calculation of PPFD/PAR and DLI - Built-in calculator for convenient and precise calculation of various illumination parameters (PPFD, DLI, Lux, Fc, Lumens) - Share your measurements via a text message or email or save them to your phone Lux-525 Pro is the best-in-class digital light meter on the phone. It is intended for personal use and may not fully replace industrial-grade light meters. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://n17dev.web.app/light-meter/policy.html
BLTC Smart Driver Output
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Use this tool to setup your Smart Driver
Screenshots
Verdict
The clearest difference is in-app purchases: BLTC Smart Driver Output at none against Light Meter's 4. BLTC Smart Driver Output also leads on iOS requirement (9.0 vs 15.5). On price, update cadence, ads 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
Both are free to download. Light Meter sells 4 in-app purchases, starting at $3.99 per month. BLTC Smart Driver Output asks for nothing beyond the download.
Light Meter ships an update every 10 months, BLTC Smart Driver Output every 9 months. The most recent releases landed on September 12, 2026 and December 22, 2025 respectively.
| Parameter | Light Meter | BLTC Smart Driver Output |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (116 ratings) — better | — |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 116 — better | — |
| Update frequency | Every 10 months | Every 9 months — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.5 | 9.0 — better |
| Further details — not scored | ||
| Size | 17 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Andrey Ivankin | Beautiful Light Technology Corp. |
In-app purchases
Light Meter
- Premium Monthly Subscription3 Days trial$3.991 Month
- Premium Monthly Subscription3 Days trial$4.991 Month
- Premium Lifetime Subscription$19.99
- Premium Lifetime Subscription$29.99
BLTC Smart Driver Output
No in-app purchases
Questions
Is Light Meter free?
Is BLTC Smart Driver Output free?
Do Light Meter or BLTC Smart Driver Output have ads?
Which is updated more often, Light Meter or BLTC Smart Driver Output?
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