Angle Gradient Inclinometer vs LUX
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Angle Gradient Inclinometer
Easily measure tilt angles with this free protractor app. It displays inclination from 0 to 359 degrees, along with gradient percentages and angles summing to 180 or 360 degrees. Switch to theodolite mode to set a specified angle to zero.
- Measure tilt angles 0-359 degrees
- Display gradient percentage
- Show sum angles (180/360)
- Theodolite mode
- Set specified angle to zero
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Simple tilt angle protractor free application that can easily measure tilt simply by tilting the device. The angle of inclination measured from 0 degree to 359 degrees, converted gradient (%), angle at which sum is 180 degrees / 360 degrees are displayed at the same time. You can switch to the theodolite, the specified angle can be set to 0 degree. ( 45 Degrees = Gradient 100 % )
LUX
Measure ambient light levels in lux or foot-candles instantly. Useful for photography, plant care, or verifying brightness for various tasks. Offers advanced features like color temperature and measurement history for premium users.
- Instant lux measurement
- Color temperature (CCT) reading
- Foot-candle unit toggle
- Min/Avg/Max lux tracking
- Measurement history (Premium)
- CSV export (Premium)
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LUX is a light meter app that measures illuminance (lux) wherever you are. Open the app and instantly see how bright your space is. When to use it - Check lighting in your living room, office, or study area - Set up photography or video shoots - Compare brightness between rooms or times of day - Verify light levels for plants or aquariums - Confirm any task has the right brightness Features - Instant measurement on launch - Hold the value or freeze the screen - Color temperature (CCT / Kelvin) measurement - Auto-recorded Min / Avg / Max lux during a session - Foot-candle (fc) unit toggle - Compare with reference levels by scene (some features need Premium) - Measurement history (Premium) - CSV / PDF export (Premium) - PPFD / DLI calculation for plants (Premium) - Continuous logging with charts (Premium) Measurements are processed on-device. Terms of Use: https://kojitorishima.org/en/products/lux/terms/ Privacy Policy: https://kojitorishima.org/en/products/lux/privacy/
Screenshots
Verdict
The clearest difference is in-app purchases: Angle Gradient Inclinometer at none against LUX's 2. Angle Gradient Inclinometer also leads on iOS requirement (13 vs 18.0). LUX's advantage is update cadence (every 10 days vs every 8 months). On price, review sentiment, 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. LUX sells 2 in-app purchases, starting at $1.99 per month. Angle Gradient Inclinometer asks for nothing beyond the download.
Angle Gradient Inclinometer ships an update every 8 months, LUX every 10 days. The most recent releases landed on October 14, 2026 and October 11, 2026 respectively.
| Parameter | Angle Gradient Inclinometer | LUX |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (295 ratings) — better | — |
| Positive reviews | 51.1% of reviews | 55.6% of reviews — better |
| Number of ratings | 295 — better | — |
| Update frequency | Every 8 months | Every 10 days — better |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 13 — better | 18.0 |
| Further details — not scored | ||
| Size | 11 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | SHIGETO TAKAGI | koji torishima |
Customer experience
Angle Gradient Inclinometer
LUX
In-app purchases
Angle Gradient Inclinometer
No in-app purchases
LUX
- Monthly Plan7 Days trial$1.991 Month
- Yearly Plan7 Days trial$11.991 Year
Questions
Is Angle Gradient Inclinometer free?
Is LUX free?
Do Angle Gradient Inclinometer or LUX have ads?
Which is updated more often, Angle Gradient Inclinometer or LUX?
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