Slope Level RX vs SunLight
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Slope Level RX
Read full descriptionHide full description
Slope Level turns your iPhone into a clear and practical slope meter for everyday measuring tasks. Use it to check surfaces, shelves, frames, tripods, vehicle parking angles, camping ground, and other non-certified measurement needs. The main screen opens directly to live readings, so you can measure without menus or setup. Key features: ⢠Real-time slope and tilt measurement ⢠Plane mode for flat surfaces ⢠Edge mode for one-axis angle checks ⢠Zero calibration for relative measurement ⢠Hold current reading ⢠Save local measurement history ⢠Switch between degrees, percent grade, and slope ratio ⢠Light and dark appearance with configurable theme colors ⢠Works offline and does not require an account Slope Level is designed for quick reference and everyday utility. It is not a certified industrial measuring instrument and should not be used for safety-critical or regulated engineering measurements. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
SunLight
Read full descriptionHide full description
SunLight helps you understand natural light at a glance. Open the app to see where the sun is, how high it is, and how the light will change through the day. A calm visual compass shows the sun direction around you, while the timeline highlights sunrise, sunset, solar noon, golden hour, blue hour, twilight, and night. Switch to the room scene to preview how sunlight enters a simple indoor space. Set a window direction or follow the phone heading to understand whether a room, balcony, desk, or plant corner gets direct light at a given time. Use SunLight when you need to plan with real sunlight: - Check which direction the sun is coming from right now. - Plan photos around golden hour and blue hour. - Preview sunlight in a room, window, balcony, desk, or plant spot. - Scrub through the day to see how the light changes. - Compare sunlight for another date or location with SunLight Pro. - Use local sun calculations after location is available. SunLight is useful for renters, home buyers, plant lovers, photographers, outdoor planning, and anyone who wants a clearer sense of daylight. SunLight Pro unlocks: - Any-date sunlight planning. - Room sunlight simulation. - Map location selection. - Live compass heading readout. Privacy: your location is used on device to calculate the sun's position. SunLight does not upload your location. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is price: SunLight at Free against Slope Level RX's $1.99. Slope Level RX's advantage is iOS requirement (17.0 vs 26.0). On update cadence, ads, in-app purchases and device support 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
SunLight is free to download; Slope Level RX costs $1.99 up front. Slope Level RX sells 1 one-off in-app purchase and SunLight sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Slope Level RX ships an update every 3 weeks, SunLight fortnightly. The most recent releases landed on October 12, 2026 and October 11, 2026 respectively.
| Parameter | Slope Level RX | SunLight |
|---|---|---|
| Price | $1.99 | Free ā better |
| Update frequency | Every 3 weeks | Fortnightly ā better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone | iPhone, iPad ā better |
| Requires iOS | 17.0 ā better | 26.0 |
| Further details ā not scored | ||
| Size | 2 MB | 69 MB |
| Age rating | 4+ | 4+ |
| Developer | ęµ©äø č®ø | č天 ä½ |
In-app purchases
Slope Level RX
- Lifetime Membership$2.99
SunLight
- SunLight Pro Lifetime$2.99
Questions
Is Slope Level RX free?
Is SunLight free?
Do Slope Level RX or SunLight have ads?
Which is updated more often, Slope Level RX or SunLight?
Other comparisons















