Comparison

Mini Spectrometer (NIR) vs Flicker Meter for Light

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

Head to head
About

Mini Spectrometer (NIR)

Features
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General purpose spectral NIR sensor for measurement wavelength range from 750 nm to 1050nm (AS7421 64-channel NIR spectrometer-on-chip and 6 number of SFH 4737 broadband NIR LEDs) with Bluetooth enabled and battery powered design. Features: - Miniaturized reflectance/absorbance spectral analysis and material identification in NIR range. - Included chemometric models for BRIX (sweetness/tartness), Dry Matter (firmness/freshness) in Apples/Kiwi fruits & cocoa quantification of chocolate bars. - Default ADC Settings: LED Current = 50mA, AS7421 Sensor Gain = 6 (for all 64 channels), Integration Time = 500ms.

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!

Screenshots

Mini Spectrometer (NIR)4 screens
Flicker Meter for Light4 screens

Verdict

The call

The clearest difference is in-app purchases: Mini Spectrometer (NIR) at none against Flicker Meter for Light's 4. On price, update cadence, 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. Mini Spectrometer (NIR) asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on May 16, 2026 and September 21, 2026 respectively.

Scorecard1 real difference · 9 level
Mini Spectrometer (NIR) versus Flicker Meter for Light: the parameters behind the verdict, then further details
ParameterMini Spectrometer (NIR)Flicker Meter for Light
PriceFreeFree
Rating—4.6 (47 ratings) — better
Positive reviews—59.3% of reviews
Number of ratings—47 — better
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.4 — better15.0
Further details — not scored
Size18 MB43 MB
Age rating4+4+
Developerams AGContechity AB

In-app purchases

None

Mini Spectrometer (NIR)

No 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

Questions

Is Mini Spectrometer (NIR) free?
Mini Spectrometer (NIR) is free to download, with no in-app purchases.
Is Flicker Meter for Light free?
Flicker Meter for Light is free to download, with in-app purchases available.
Do Mini Spectrometer (NIR) or Flicker Meter for Light have ads?
Neither Mini Spectrometer (NIR) nor Flicker Meter for Light shows ads.
Which is updated more often, Mini Spectrometer (NIR) or Flicker Meter for Light?
Mini Spectrometer (NIR) ships an update every 2 months, and Flicker Meter for Light every 2 months. Most recently, Mini Spectrometer (NIR) was updated on May 16, 2026 and Flicker Meter for Light on September 21, 2026.

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