Comparison

Dimmer vs Screen Brightness Nits Meter

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Dimmer

Easily control your device's screen brightness with customizable presets and quick access from widgets. Features include advanced mode for fine-tuning, battery-aware adjustments, and timer-based brightness changes.

Highlights
  • Widget launch for quick brightness presets
  • Advanced mode with fine adjustment and timer
  • Battery mode for automatic brightness adjustment
  • Save and switch between two presets
  • Timer function with alarm notification
  • Color bars for visual brightness adjustment
Features
Read full description

"Dimmer! Brightness control application! Very useful, and for free!" iPhone back light can be adjusted in favorite luminosity very quickly. You can start it with the brightness specified by a shortcut from the widget. Because your iPhone life becomes comfortable ”epoch-makingly". *** Convenient features *** ● Launch from widget You can add brightness presets to widgets.You can quickly access presets with fine brightness. Register a preset in advance from the application, then "Edit" on the widget screen, register the “Dimmer" application from the + button, and you are done. ●Advanced Mode Advanced mode can perform preset function, numerical value fine adjustment and Timer function. ● Battery mode Automatically adjusts to the preset brightness according to the current battery level. Fine pre-adjustment is possible, such as maximum brightness while charging and re-low brightness when the battery level is low. Combined use with widgets makes it even more convenient! ●Preset function Two presets, Preset A and Preset B, can be stored. ●Timer function When the set time elapses, there is an alarm notification, and when you tap on the notification you can set the brightness preset. ●Color bars function Displays a color bar in the background for brightness adjustment. ●Start & Preset Function Upon application startup, the screen brightness is set to the value set in Preset A. ●Start & Preset A ◀▶ B For example, if you set a high brightness for Preset A and a low brightness for Preset B, each time the application is launched, it will switch between Preset A>B>A>B, which is useful when temporarily brightening or dimming the screen. ※If you have the iOS setting automatic and make a setting change through this app, it reverts back to automatic iOS setting once you sleep/wake. --- URL schema --- brightness://brightness.newforestar.com?XXX (brightness 0~100)

About

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.

Highlights
  • 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
Features
Read full description

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

Dimmer4 screens
Screen Brightness Nits Meter4 screens

Verdict

The call

The clearest difference is rating: Screen Brightness Nits Meter at 4.3 against Dimmer's 2.7. Screen Brightness Nits Meter also leads on ads (none vs shown) and review sentiment (67% vs 40%). Dimmer's advantage is in-app purchases (none vs 2) and ratings volume (399 vs 19). On price, update cadence, monetization model 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Screen Brightness Nits Meter sells 2 in-app purchases, starting at $0.99 per month. Dimmer asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Screen Brightness Nits Meter holds the better App Store score, 4.3 against 2.7. That said, the two scores are not equally well evidenced: Dimmer has 399 ratings behind it against 19, so its average is the more settled of the two. Written reviews point the same way: 40% of Dimmer's written reviews are positive against 67% of Screen Brightness Nits Meter's.

UpkeepUpdate frequency

Dimmer ships an update every 3 months, Screen Brightness Nits Meter every 2 months. The most recent releases landed on September 24, 2026 and September 4, 2026 respectively.

Scorecard6 real differences · 4 level
Dimmer versus Screen Brightness Nits Meter: the parameters behind the verdict, then further details
ParameterDimmerScreen Brightness Nits Meter
PriceFreeFree
Rating2.7 (399 ratings)4.3 (19 ratings) — better
Positive reviews40.2% of reviews66.7% of reviews — better
Number of ratings399 — better19
Update frequencyEvery 3 monthsEvery 2 months — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better15.0
Further details — not scored
Size8 MB43 MB
Age rating4+4+
Developernewforestar co,.ltdContechity AB

Customer experience

Dimmer

All ratings399 ratings
Positive40.9%
Neutral7.3%
Negative51.9%
Written reviews249 reviews
Positive40.2%
Neutral9.2%
Negative50.6%

Screen Brightness Nits Meter

All ratings19 ratings
Positive73.7%
Neutral15.8%
Negative10.5%
Written reviews6 reviews
Positive66.7%
Neutral16.7%
Negative16.7%

Bugs and requests

Dimmer

Reported bugs

3 issues
  • Brightness reverts to high level on unlock
  • App crashes on launch for some users
  • Brightness slider doesn't work as expected

Requested features

3 requests
  • Ability to dim screen below phone's minimum brightness
  • Option to keep brightness setting after screen lock
  • Integration with notification center for quicker access

Screen Brightness Nits Meter

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Dimmer

No in-app purchases

2 purchases

Screen Brightness Nits Meter

Subscriptions1
  • Full Access (Month)14 Days trial$0.991 Month
One-time1
  • Full Access (Lifetime)$6.99

Questions

Is Dimmer free?
Dimmer is free to download, with no in-app purchases.
Is Screen Brightness Nits Meter free?
Screen Brightness Nits Meter is free to download, with in-app purchases available.
Which has better reviews, Dimmer or Screen Brightness Nits Meter?
Screen Brightness Nits Meter is rated higher. Dimmer averages 2.7 out of 5 from 399 ratings, while Screen Brightness Nits Meter averages 4.3 from 19 ratings.
Do Dimmer or Screen Brightness Nits Meter have ads?
Dimmer shows ads; Screen Brightness Nits Meter does not.
Which is updated more often, Dimmer or Screen Brightness Nits Meter?
Dimmer ships an update every 3 months, and Screen Brightness Nits Meter every 2 months. Most recently, Dimmer was updated on September 24, 2026 and Screen Brightness Nits Meter on September 4, 2026.

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