Keep Screen On & Dimmer Screen vs Screen Brightness Nits Meter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Keep Screen On & Dimmer Screen
Prevent your device's screen from turning off automatically and adjust its brightness to a very low level. This utility is ideal for tasks like long uploads or downloads, or for developers needing continuous screen visibility.
- Keep screen on indefinitely
- Reduce screen brightness to zero
- Prevent screen timeout
- Useful for long uploads/downloads
- Aids developers needing constant screen visibility
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Keep Screen On & Dimmer Screen brightness will help you do two those things in zero tap! Just open the app, your phone screen will be on forever and your phone screen brightness will down to zero too! Lower your phone screen brightness is an impressive feature of this app because most of us want to keep screen on and lower phone screen brightness together. Timeout to turn off is also a good feature! This app is useful when you want to keep screen on while uploading video to YouTube, downloading big file or for developer who want to keep screen on! Thank you!
Screen Brightness Nits Meter
Measure the brightness of any screen, monitor, or display using your smartphone camera. Offers real-time measurements in multiple units and supports calibration for optimal accuracy. Ideal for professionals and enthusiasts needing precise luminance data.
- Measure screen brightness (nits)
- Real-time luminance readings
- Multiple measurement units (fL, sb, L, asb, cd/ft²)
- Camera-based measurement
- Calibration for accuracy
- Save measurements with notes
- Multilingual support
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Measure the brightness of any screen, monitor, TV, or display using your smartphone camera! Designed for professionals, enthusiasts, and anyone who needs quick and intuitive screen brightness measurements. ACCURACY The app is pre-calibrated against a professional nits meter, but for optimal accuracy on your specific device, we recommend calibrating the app using the built-in calibration feature. MULTIPLE MEASUREMENT UNITS Supports Nits (candela per square meter, cd/m²), Foot-Lambert (fL), Stilb (sb, cd/cm²), Lambert (L), Apostilb (asb, blondel), and Candela per ft² (cd/ft²). REAL-TIME MEASUREMENTS Get instant feedback with continuous real-time luminance measurements. SAVE MEASUREMENTS Save measurements with notes for detailed documentation and easy reference. MULTILINGUAL SUPPORT & DOCUMENTATION Full support for 40 different languages with comprehensive, integrated documentation. CUSTOMIZABLE SETTINGS Tailor the app settings to your specific needs. WHAT YOU CAN MEASURE • TVs and monitors • Computer displays • Smartphones and tablets • Digital signage • Professional monitors • LCD, OLED, LED, HDR, QLED and AMOLED displays PERFECT FOR • TV and display technicians • Video production professionals • Gaming enthusiasts • Home theater enthusiasts • Office lighting consultants • Photographers and videographers HOW TO USE Simply point your device's camera directly at the screen surface you want to measure. Position your device perpendicular to the screen at a distance of no more than a centimeter or half an inch from the display surface. Ensure the screen is set to D65 (6500K standard white). Other color temperature settings may significantly affect measurement accuracy. Privacy Policy, https://nits-meter.contechity.com/pp.html End User License Agreement, https://nits-meter.contechity.com/eula.html FREE FOR A LIMITED TIME Enjoy full functionality for a few weeks. After that, choose a one-time fee or subscription — still at a fraction of the cost of a dedicated device. DEDICATED SUPPORT Your feedback helps us improve the app. Contact us at apps@contechity.com for support or suggestions. Download now and turn your phone into a luminance meter for any screen or display.
Screenshots
Verdict
The clearest difference is rating: Screen Brightness Nits Meter at 4.3 against Keep Screen On & Dimmer Screen's 1.8. Screen Brightness Nits Meter also leads on review sentiment (67% vs 25%) and ratings volume (19 vs 5). Keep Screen On & Dimmer Screen's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence, ads and in-app purchases 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. Keep Screen On & Dimmer Screen sells 1 one-off in-app purchase and Screen Brightness Nits Meter sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.
Screen Brightness Nits Meter holds the better App Store score, 4.3 against 1.8. Both are backed by a comparable volume of ratings — 5 and 19 respectively. Written reviews point the same way: 25% of Keep Screen On & Dimmer Screen's written reviews are positive against 67% of Screen Brightness Nits Meter's.
Keep Screen On & Dimmer Screen ships an update every 3 months, Screen Brightness Nits Meter every 2 months. The most recent releases landed on September 15, 2026 and September 4, 2026 respectively.
| Parameter | Keep Screen On & Dimmer Screen | Screen Brightness Nits Meter |
|---|---|---|
| Price | Free | Free |
| Rating | 1.8 (5 ratings) | 4.3 (19 ratings) — better |
| Positive reviews | 25.0% of reviews | 66.7% of reviews — better |
| Number of ratings | 5 | 19 — better |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 33 MB | 43 MB |
| Age rating | 17+ | 4+ |
| Developer | Nghi Doan | Contechity AB |
Customer experience
Keep Screen On & Dimmer Screen
Screen Brightness Nits Meter
In-app purchases
Keep Screen On & Dimmer Screen
- Remove ads forever$3.99
Screen Brightness Nits Meter
- Full Access (Month)14 Days trial$0.991 Month
- Full Access (Lifetime)$6.99
Questions
Is Keep Screen On & Dimmer Screen free?
Is Screen Brightness Nits Meter free?
Which has better reviews, Keep Screen On & Dimmer Screen or Screen Brightness Nits Meter?
Do Keep Screen On & Dimmer Screen or Screen Brightness Nits Meter have ads?
Which is updated more often, Keep Screen On & Dimmer Screen or Screen Brightness Nits Meter?
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