LightCalc.io vs Shadow Planner
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LightCalc.io
Read full descriptionHide full description
LightCalc is the on-set lighting tool built for cinematographers, gaffers and lighting professionals. Stop doing mental maths under pressure - get the right exposure, the right fixture, and the right setup in seconds. Exposure Calculator Input your camera settings - T-stop, ISO, shutter angle, frame rate, ND filters - and instantly see the illuminance your scene needs. Switch between lux and foot-candles with one tap. Ambient Light Meter Use your iPhone camera as a live lux meter. Point at any surface to get a real-time ambient reading and feed it directly into your calculations - no separate hardware needed. Fixture Comparison Compare up to four lighting fixtures side by side at any distance. Adjust count and dimming per fixture and see relative output at a glance. Power & Distance Solver Know exactly what dimming level or distance you need to hit your target exposure. Works with your chosen fixture, modifier, diffusion and gel. Full Fixture Library Access a curated library of professional fixtures and modifiers. Plus users can add their own custom fixtures and diffusion materials - synced across web and mobile. Projects Save your setups and reload them on the next shoot. Your lighting data travels with you. Built for the Set Dark UI, fast inputs, haptic feedback - designed to be used in low-light environments with one hand while holding a light meter in the other. LightCalc requires an active LightCalc Plus subscription. Manage your subscription at lightcalc.io. Privacy Policy: https://lightcalc.io/privacy-policy | Terms of Use: https://lightcalc.io/terms-conditions
Shadow Planner
Visualize sun and shadow placement on real-world maps before filming. Scout locations by dropping virtual objects, simulating light movement throughout the day, and measuring distances for precise rigging. Export scenes for planning and collaboration.
- Real sun and shadow simulation on maps
- 3D terrain and buildings for accurate shadows
- Place and manipulate virtual frames and objects
- Simulate light movement from sunrise to sunset
- Measure distances and gear ranges
- Export scenes and share links
Read full descriptionHide full description
Scout the light before you get there. Shadow Planner puts a real sun on a real map. Drop your overheads on the actual location, scrub the day from sunrise to sunset, and watch true cast shadows fall across the ground in 3D — so you know what you're walking into before the truck rolls, and so does everyone you hand the page to. SCOUT ANY LOCATION • Search an address or drop straight onto your GPS position • Satellite, street and dark map styles • Real 3D buildings and terrain, so shadows fall off the geometry that's actually there • Live sun compass with azimuth and altitude KNOW WHEN YOU LOSE THE LIGHT • Sunrise, solar noon, sunset, golden hour and civil dusk for any date and any location, with the day's length • Tap any spot for a shade timeline: when it holds direct sun and when it goes into shade, across the whole day • See the sun's path arced over the map — amber where your spot has sun, blue-grey where something blocks it, so you can watch the moment the sun clears a roofline • Reads the buildings and terrain actually around it, plus your own overheads BLOCK THE SHOT TO SCALE • Drop 12x12, 20x20 and 40x40 frames, or set your own custom size • Dial height above ground, spin and tilt on every frame • Add vehicles and human stand-ins for scale • Stack as many objects as the day needs — each one colour-coded, with its own cast shadow and the area it covers SEE THE WHOLE DAY MOVE • Scrub sunrise to sunset and watch every shadow track with the sun • Pick any date and check the light for a shoot weeks out • Stand-ins and vehicles dim when they fall inside a frame's shadow MEASURE THE RIG IN 3D • Tap two points for a true diagonal distance — overhead down to ground • Know exactly where the base, the truck and the crew gear have to land • Measurements stay locked to a frame, so they update as you raise or move it • Matching gear ranges for the distance you measured, from a PeeWee dolly to a 120' Condor FEET OR METRES • One switch converts every height, span, distance and shadow area, and the gear ranges with them • Gear and frame names stay as the industry says them — a 12x12 is still a 12x12, a Condor 40' is still a Condor 40' • Your choice is remembered between sessions TAKE IT BACK TO THE OFFICE • Save a location by name with its camera angle, date, time, every frame, the measurement and the shade you picked — long-press to rename • Six stops in a day, all still there tomorrow • Export a letter-size page carrying the location, date, time, sun position, sunrise and sunset, the rig you had up, and the lift sizes that reach — so the gaffer, the AD and the office are all reading the same sheet • Same page on every device, straight to Photos, Files or Messages • On iPad, drag the menu panels into the order you work in • Full undo and redo Built by a working cinematographer for tech scouts, gaffers, grips, DPs, location managers and anyone who has ever guessed where the shadow would be. No account. No subscription. No tracking.
Screenshots
Verdict
The clearest difference is price: LightCalc.io at Free against Shadow Planner's $29.99. Shadow Planner's advantage is in-app purchases (none vs 1) and update cadence (every 5 days vs every 3 weeks). On ads, device support and iOS requirement 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
LightCalc.io is free to download; Shadow Planner costs $29.99 up front. LightCalc.io sells 1 in-app purchase, starting at $34.99 per year. Shadow Planner asks for nothing beyond the download.
LightCalc.io ships an update every 3 weeks, Shadow Planner every 5 days. The most recent releases landed on October 16, 2026 and October 3, 2026 respectively.
| Parameter | LightCalc.io | Shadow Planner |
|---|---|---|
| Price | Free — better | $29.99 |
| Rating | — | 4.0 (3 ratings) — better |
| Positive reviews | — | 40.0% of reviews |
| Number of ratings | — | 3 — better |
| Update frequency | Every 3 weeks | Every 5 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | — | Paid |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 48 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Matthias Streicher-Feldhofer | Christopher Fenner |
In-app purchases
LightCalc.io
- LightCalc Plus$34.991 Year
Shadow Planner
No in-app purchases
Questions
Is LightCalc.io free?
Is Shadow Planner free?
Do LightCalc.io or Shadow Planner have ads?
Which is updated more often, LightCalc.io or Shadow Planner?
Other comparisons















