SEKONIC LD vs Simple Level
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SEKONIC LD
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With SEKONIC LD, you can use the full functionality of the spectrometer C-4000. You can remotely control the C-4000 via Bluetooth and view graphs of measurement data in various way. It displays illuminance (lux or foot-candle), deviation (⊿uv), color temperature (K), color rendering index (CRI/TM-30), and CIE1931 chromaticity coordinates (x,y). and imports stored data from the C-4000. SEKONIC LD offers upgrade option with in-app purchases (3-month subscription, 12-month subscription), including a 2-week free trial. With the upgrade, you can import drawings such as lighting layouts or site photos, and link measured values directly on them. Even if you stop the measurement midway, you can add notes to the saved data, making it convenient for multiple measurements. You can also attach smartphone images and notes to each measurement data. Location information of sites can also be attached with GPS data. Compile project data into simple reports, output as PDFs, or export as CSVs for further processing. License Agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Simple Level
This utility app provides a straightforward way to measure the level of surfaces. It displays readings in three directions and uses color-coding for easy visual confirmation. A calibration feature ensures accuracy, and audio alerts notify you when a surface is perfectly level.
- Displays level in X, Y, and XY axes
- Color-coded indicators (green for level, yellow for not)
- Calibration feature for accuracy
- Audio notification for level status
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I created a simple and easy-to-use level app. - Displays level in three directions: X-axis, Y-axis, and XY-axis - Green when level, yellow when not, making it easy to see at a glance - Calibration feature for accurate adjustment - Audio notification when the device is kept level
Screenshots
Verdict
The clearest difference is in-app purchases: Simple Level at none against SEKONIC LD's 2. Simple Level also leads on update cadence (every 2 months vs every 9 months). SEKONIC LD's advantage is ads (none vs shown). On price, 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
Both are free to download. SEKONIC LD sells 2 in-app purchases, starting at $49.99 per 3 months. Simple Level asks for nothing beyond the download.
SEKONIC LD ships an update every 9 months, Simple Level every 2 months. The most recent releases landed on October 3, 2026 and October 26, 2026 respectively.
| Parameter | SEKONIC LD | Simple Level |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.8 (4 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 4 — better |
| Update frequency | Every 9 months | Every 2 months — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | — | Ad-supported |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 33 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Sekonic | ASAYA, LLC |
In-app purchases
SEKONIC LD
- 3 months subscription14 Days trial$49.993 Months
- 12 months subscription14 Days trial$119.991 Year
Simple Level
No in-app purchases
