Comparison

PulseRelay vs LightMeter Pro

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

Head to head
About

PulseRelay

Features
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LAUNCH SPECIAL: EARLY ADOPTER ACCESS PulseRelay is currently in its introductory launch phase and is 100% free. Download now to automatically secure 'Early Adopter' status, granting you lifetime unlimited access to all future premium features. Turn your Apple Watch into a professional Bluetooth Heart Rate Monitor. PulseRelay broadcasts your real-time heart rate from your Apple Watch to any Bluetooth-enabled fitness equipment or app. Connect seamlessly to Peloton, Zwift, Garmin, NordicTrack, Hydrow, Wahoo, and gym equipment that supports standard Bluetooth Heart Rate monitors. Why PulseRelay? Stop buying expensive chest straps or armbands. You already wear the world's best heart rate sensor on your wrist. PulseRelay unlocks its power to work with everything else. Key Features: - Universal Bluetooth Broadcasting: Works with any device that accepts a standard Bluetooth Heart Rate Monitor (BLE). No proprietary walled gardens. - AirPods Pro Support: forgot your watch? No problem. PulseRelay can read heart rate directly from your AirPods Pro (3rd Gen or newer) during broadcasting. - Live Activity & Dynamic Island: See your Heart Rate instantly on your iPhone's Lock Screen or Dynamic Island. - Native Apple Watch Recording: Tracks your workout using Apple's native algorithms for Running, Cycling, Rowing, and more. Your rings, calories, and distance are tracked accurately and saved directly to Apple Health. - Heart Rate Zones: Visualize your effort with beautiful, real-time Heart Rate Zone gauges (Warmup, Fat Burn, Cardio, Peak, Max). Private & Secure: - No Account Required. - No Tracking/Analytics. - Your health data stays on your device. Requirements: - Apple Watch Series 4 or newer. - iPhone iOS 26.2 or newer. Disclaimer: PulseRelay is an independent app and is not affiliated with, endorsed by, or associated with Peloton, Zwift, Garmin, or any other equipment manufacturers mentioned. All trademarks are the property of their respective owners.

About

LightMeter Pro

Features
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LightMeter Pro turns your iPhone into a professional light meter β€” for photographers, filmmakers, and plant growers alike. PRECISE LIGHT MEASUREMENT - Real-time Lux, Foot-candle, and EV readings from your camera sensor - Color temperature in Kelvin with visual warm/cool bar - Continuous metering with smooth, responsive updates FULL MANUAL CONTROL - Set ISO, shutter speed, and aperture manually β€” just like a Sekonic or Gossen - Lock any parameter and let the others auto-adjust - Standard photography stops for all three values - Tap to switch between front and rear camera PLANT & GROW LIGHT MODE - Switch to Plant mode for PPFD readings (Β΅mol/mΒ²/s) - DLI (Daily Light Integral) calculator for optimal plant growth - Light source presets: LED, HPS, Fluorescent, Sunlight - Adjustable photoperiod (4-24h) for accurate DLI AI SCENE ANALYSIS - Point your camera at any scene and get instant lighting analysis - AI identifies scene type, lighting quality, and mood - Actionable recommendations to improve your setup - 10 scenario presets: Portrait, Product, Interview, Cinematic, and more DESIGNED FOR PROFESSIONALS - Live camera viewfinder with overlay controls - Premium dark interface β€” built for on-set use - Haptic feedback on every interaction - No ads. No clutter. Just precision. SUBSCRIPTION - 3 free AI scans per day - Pro unlocks unlimited AI analysis, manual shutter & aperture control - Weekly, annual, and lifetime plans available Perfect for photographers, DPs, gaffers, content creators, interior designers, plant parents, and anyone who works with light. AI & DATA PRIVACY AI Scene Analysis uses Anthropic's Claude technology. When you use this feature, your photo is sent securely to Anthropic's servers for processing. Images are not stored after analysis. No personal data is collected or shared. See our privacy policy for details. Privacy Policy: https://www.easytech-agency.net/privacy/lightmeter_pro Terms of Use: https://www.easytech-agency.net/terms

Screenshots

PulseRelay3 screens
LightMeter Pro4 screens

Verdict

The call

The clearest difference is in-app purchases: PulseRelay at none against LightMeter Pro's 3. On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. LightMeter Pro sells 3 in-app purchases, starting at $2.99 per 7 days. PulseRelay asks for nothing beyond the download.

Scorecard1 real difference Β· 5 level
PulseRelay versus LightMeter Pro: the parameters behind the verdict, then further details
ParameterPulseRelayLightMeter Pro
PriceFreeFree
Update frequencyWeeklyβ€”
AdsNoNo
In-app purchasesNo β€” betterYes
DevicesiPhone, Apple WatchiPhone, iPad
Requires iOS17.017.0
Further details β€” not scored
Size4 MB11 MB
Age rating4+4+
DeveloperNicholas SpackmanAlexis Raimbault

In-app purchases

None

PulseRelay

No in-app purchases

3 purchases

LightMeter Pro

Subscriptions3
  • LightMeter Pro Weekly$2.997 Days
  • LightMeter Pro Monthly$5.991 Month
  • LightMeter Pro Yearly$24.991 Year

Questions

Is PulseRelay free?
PulseRelay is free to download, with no in-app purchases.
Is LightMeter Pro free?
LightMeter Pro is free to download, with in-app purchases available.
Do PulseRelay or LightMeter Pro have ads?
Neither PulseRelay nor LightMeter Pro shows ads.

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