Comparison

SANlight vs PPFD METER

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

Head to head
About

SANlight

Features
Read full description

The SANlight app to control the brightness of SANlight grow LEDs connected to a Bluetooth dimmer. Please note: You'll need a dimmable SANlight LED lamp connected to a SANlight dimmer to make use of this app. For feedback and support please use the "Contact Support" button on the Information screen.

About

PPFD METER

This app measures light intensity for plants, converting LUX to PPFD and DLI. It offers advanced light mapping, uniformity analysis, and efficiency insights to optimize plant growth. Customize profiles for different environments and growth stages.

Highlights
  • LUX, PPFD, DLI, and PAR measurements
  • Light mapping and distribution analysis
  • Uniformity and PPF evaluation
  • Energy efficiency and consumption tracking
  • Customizable setting profiles
  • Bluetooth sensor integration
Read full description

Perfect for both seasoned gardeners and beginners, PPFD Meter sets itself apart from standard grow light meter apps with its comprehensive features and intuitive design. Using your phone's built-in sensors or the acclaimed UNI-T UT383 BT sensor via Bluetooth, PPFD Meter provides precise and reliable light measurements. This accuracy is essential for understanding and optimizing the light your plants receive, ensuring their health and growth. PPFD Meter is more than a light measurement tool; it's a guide to understanding your plants' needs. It converts LUX readings into PPFD (Photosynthetic Photon Flux Density) and DLI (Daily Light Integral), providing critical insights for your lighting setup. Customize up to five different settings profiles for various environments or growth stages, making your plant care as unique as your garden. Advanced Light Mapping and Analysis Step into a new era of light management with PPFD Meter's advanced light mapping capabilities. Our exclusive PAR and DLI Maps feature offers a vivid, detailed representation of light distribution across your grow area, enabling precise adjustments for optimal plant growth. But that's just the beginning: In-Depth Light Analysis: Measure light uniformity to ensure even plant growth, and evaluate your setup's PPF (Photosynthetic Photon Flux) to understand the total light output. Efficiency and Consumption Insights: Assess the efficiency of your lighting system in converting energy into usable light. Track the daily total energy consumption to manage your energy usage and environmental impact effectively. Comprehensive DLI Tracking: Monitor the Daily Light Integral, a key factor in regulating plant health and growth cycles, ensuring your plants receive the right amount of light each day. These advanced features make PPFD Meter not just an app, but a vital partner in your indoor gardening journey. It’s a leap forward from typical grow light meter apps, offering a depth of analysis and customization that truly enhances your plant care experience. Download PPFD Meter today and embark on a journey of precision and expertise in plant care. Your plants will thrive like never before! Privacy Policy: https://www.ppfd.app/pp Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

SANlight3 screens
PPFD METER4 screens

Verdict

The call

The clearest difference is in-app purchases: SANlight at none against PPFD METER's 3. SANlight also leads on ads (none vs shown) and iOS requirement (14.0 vs 18.0). PPFD METER's advantage is update cadence (every 3 weeks vs every 6 months). On price 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. PPFD METER sells 3 in-app purchases, starting at $1.99 per month. SANlight asks for nothing beyond the download.

UpkeepUpdate frequency

SANlight ships an update every 6 months, PPFD METER every 3 weeks. The most recent releases landed on September 23, 2026 and September 22, 2026 respectively.

Scorecard4 real differences · 6 level
SANlight versus PPFD METER: the parameters behind the verdict, then further details
ParameterSANlightPPFD METER
PriceFreeFree
Rating—4.6 (118 ratings) — better
Positive reviews—52.6% of reviews
Number of ratings—118 — better
Update frequencyEvery 6 monthsEvery 3 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.0 — better18.0
Further details — not scored
Size32 MB43 MB
Age rating4+4+
DeveloperMartin AnkerCandas Pamukcu

In-app purchases

None

SANlight

No in-app purchases

3 purchases

PPFD METER

Subscriptions2
  • Premium$1.991 Month
  • Premium Plus$2.991 Month
One-time1
  • Remove Ads$29.99

Questions

Is SANlight free?
SANlight is free to download, with no in-app purchases.
Is PPFD METER free?
PPFD METER is free to download, with in-app purchases available.
Do SANlight or PPFD METER have ads?
PPFD METER shows ads; SANlight does not.
Which is updated more often, SANlight or PPFD METER?
SANlight ships an update every 6 months, and PPFD METER every 3 weeks. Most recently, SANlight was updated on September 23, 2026 and PPFD METER on September 22, 2026.

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