FrameTimeSync vs Light Meter
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
FrameTimeSync
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COMPLETELY FREE No subscriptions, no ads, no account required. Your photography assistant for life. Transform your photography with FrameTimeSync - the intelligent assistant that knows exactly when conditions are perfect for YOUR style. PERSONALIZED SCORING Set your photography preferences once: street, portraits, nature, or macro. Get real-time weather conditions scored 0-100 specifically for your style. Rain might score 20/100 for portraits but 90/100 for dramatic street photography. PERFECT TIMING - Live countdown timers to golden hour, blue hour, and sunset - GPS-precise calculations for your exact location - Never miss the magic moments again SMART RECOMMENDATIONS - 24+ contextual photography tips based on current conditions - "Rain creates amazing street reflections" for street photographers - Prime Time Active notifications when conditions are perfect PHOTOGRAPHY TIMELINE Hourly forecast with star ratings so you know exactly when to shoot. See temperature, weather conditions, and personalized scores at a glance. SETUP IN 2 MINUTES Quick onboarding, immediate personalized recommendations. Complete privacy with on-device storage only. Download FrameTimeSync and never miss perfect light again.
Light Meter
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Light Meter helps you measure exposure in real time and find the right camera settings faster. Designed for photographers and filmmakers, the app turns your iPhone into a practical exposure meter for everyday shoots, studio work, portraits, landscapes, and low-light scenes. Quickly read the light in front of you, lock the settings you want to keep fixed, and let the app calculate the missing exposure value automatically. Whether you are shooting with a digital camera, film camera, cinema camera, or manual lens, Light Meter helps you work with more confidence before you press the shutter. ⢠Live Exposure Reading Measure light in real time and instantly calculate camera-ready exposure settings. ⢠Lock Any Two Controls Choose which two settings stay fixed - ISO, shutter speed, or aperture - and let the meter calculate the third automatically. ⢠Shutter Priority Freeze motion or create blur while the app calculates the right aperture. ⢠Aperture Priority Set your depth of field and let the meter solve the matching shutter speed. ⢠Auto ISO Keep shutter speed and aperture fixed while the meter adjusts ISO automatically. ⢠Spot Metering Tap the preview to meter a specific part of the scene with more precision. ⢠Built for Real Shoots Use it for portraits, landscapes, studio lighting, street photography, film photography, and video exposure planning. Light Meter gives you a fast, visual way to understand exposure before shooting. It is especially useful when working with manual cameras, adapting to changing light, checking mixed scenes, or planning a consistent exposure setup. Simple enough for beginners, precise enough for advanced photographers. Terms of Use: https://www.optionalchaining.com/terms-of-use Privacy Policy: https://www.optionalchaining.com/privacy-policy
Screenshots
Verdict
The clearest difference is device support: FrameTimeSync at 3 against Light Meter's 1. FrameTimeSync also leads on iOS requirement (15.1 vs 18.0). On price, ads and in-app purchases there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | FrameTimeSync | Light Meter |
|---|---|---|
| Price | Free | Free |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod ā better | iPhone |
| Requires iOS | 15.1 ā better | 18.0 |
| Further details ā not scored | ||
| Size | 22 MB | 44 MB |
| Age rating | 4+ | 4+ |
| Developer | Otto Kartye | Patrick Battisti Forsthofer |
In-app purchases
FrameTimeSync
No in-app purchases
Light Meter
No in-app purchases









