Comparison

Flicker Meter for Light vs DUST Queue

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

Head to head
About

Flicker Meter for Light

Detect and measure invisible high-frequency flickering in LED lights and screens that can cause eye strain and headaches. Find flicker-free alternatives to improve your comfort and health.

Highlights
  • Detect invisible high-frequency flickering
  • Measure flicker intensity (%)
  • Measure flicker frequency (Hz)
  • Identify flicker-free light sources
  • Easy-to-use interface
  • Instant results
Features
Read full description

Suffering from eye strain, headaches, or migraines from LED lights and screens? You're not alone. Many LED lights, screens, and fluorescent lights flicker at high frequencies invisible to the naked eye, yet capable of causing headaches, eye strain, fatigue, and other symptoms. This app helps you identify which light sources and screens are flickering, measure the intensity, and find flicker-free alternatives for your health and comfort. FEATURED IN COMPUTER ACTIVE MAGAZINE Computer Active recommends this app for detecting headache-inducing flicker. KEY FEATURES • Detect invisible high-frequency flickering in LED lamps, screens, and fluorescent lights • Measure flicker intensity in percentage • Measure flicker frequency in Hz • Identify flicker-free light sources • Easy-to-use interface with instant results HEALTH BENEFITS • Reduce eye strain and fatigue • Minimize headaches and migraines • Create a more comfortable work environment • Make informed decisions about lighting purchases PERFECT FOR • Office workers spending long hours under artificial lighting • People sensitive to light flicker • Anyone experiencing unexplained headaches or eye strain • Professionals evaluating workplace lighting • Bird owners monitoring aviary lighting (birds are highly sensitive to flicker) Full support for 40 languages with integrated documentation. Privacy Policy: https://flicker-meter.contechity.com/pp.html End User License Agreement: https://flicker-meter.contechity.com/eula.html Got questions or feature requests? Email me at apps@contechity.com — I'll personally respond. Download Flicker Meter today and take control of your lighting environment for better health and comfort!

About

DUST Queue

Features
Read full description

DUST Identity is a more secure and reliable solution for validating the authenticity of physical objects. Capture point of origin, demonstrate sustainable material sourcing, detect tampering, track chain of custody, store & review important object information, engage with data, unlock content & experiences with object ownership, and more! HOW THE SOLUTION WORKS: Tag an object with DUST Scan a tag and assign an identity Attach relevant information, documents, and images to that thing Organize your things into collections Add & recall object data throughout its lifecycle Share permission-based access to that thing with other

Screenshots

Flicker Meter for Light4 screens
DUST Queue2 screens

Verdict

The call

The clearest difference is in-app purchases: DUST Queue at none against Flicker Meter for Light's 4. DUST Queue also leads on update cadence (weekly vs every 2 months) and iOS requirement (13.4 vs 15.0). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Flicker Meter for Light sells 3 in-app purchases, starting at $0.99 per month. DUST Queue asks for nothing beyond the download.

UpkeepUpdate frequency

Flicker Meter for Light ships an update every 2 months, DUST Queue weekly. The most recent releases landed on September 21, 2026 and June 4, 2026 respectively.

Scorecard3 real differences · 7 level
Flicker Meter for Light versus DUST Queue: the parameters behind the verdict, then further details
ParameterFlicker Meter for LightDUST Queue
PriceFreeFree
Rating4.6 (47 ratings) — better—
Positive reviews59.3% of reviews—
Number of ratings47 — better—
Update frequencyEvery 2 monthsWeekly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.013.4 — better
Further details — not scored
Size43 MB36 MB
Age rating4+4+
DeveloperContechity ABDUST Identity

In-app purchases

3 purchases

Flicker Meter for Light

Subscriptions2
  • Full access14 Days trial$0.991 Month
  • Full access$4.991 Year
One-time1
  • Full access2 variants$6.99
None

DUST Queue

No in-app purchases

Questions

Is Flicker Meter for Light free?
Flicker Meter for Light is free to download, with in-app purchases available.
Is DUST Queue free?
DUST Queue is free to download, with no in-app purchases.
Do Flicker Meter for Light or DUST Queue have ads?
Neither Flicker Meter for Light nor DUST Queue shows ads.
Which is updated more often, Flicker Meter for Light or DUST Queue?
Flicker Meter for Light ships an update every 2 months, and DUST Queue weekly. Most recently, Flicker Meter for Light was updated on September 21, 2026 and DUST Queue on June 4, 2026.

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