Comparison

OSpectrometer vs Colorimeter Camera Color Meter

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

Head to head
About

OSpectrometer

This app uses your device's camera and screen to perform basic optical spectroscopy. Analyze the visible light spectrum of objects, map light wavelengths to RGB values, and save or share your findings. It functions offline without external hardware.

Highlights
  • Visible light spectrum analysis
  • RGB color value mapping
  • Wavelength selection and scanning
  • Front camera reflection sensing
  • Save and share results
  • Offline functionality
Features
Read full description

Optical spectroscopy in the visible light spectrum is a commonly used tool in different fields such as health, manufacturing, art, and forensic research. OSpectrometer implements basic spectrometer functions using the built-in camera and screen without requiring external devices or programs. - Visible light spectrum is transformed and mapped to a function that generates RGB (Red Green Blue) color values - A specific light wavelength can be selected and used to illuminate a desired target (i.e., close to the screen) - The whole spectrum or a specific part of the spectrum can be selected and scanned - Front camera is used to sense the reflection from the target object - Consistent and repeatable reflection/absorption amplitude with respect to the color spectrum - The result can be saved and shared - Works offline, no need to connect to any network or internet Privacy-policy: https://software.nanorescenter.com/osprectrometer-privacy-policy Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Colorimeter Camera Color Meter

This app transforms your phone into a real-time color measurement tool. It accurately identifies and compares colors from your camera or images, supporting numerous color spaces and standards. Save, export, and customize your color data with ease.

Highlights
  • Real-time camera color measurement
  • White reference for increased accuracy
  • Measure colors from images
  • Supports multiple color spaces (RGB, HEX, CIELAB, etc.)
  • Identifies closest RAL, Munsell, and HTML colors
  • Measures Light Reflectance Value (LRV)
  • Color comparison with Delta E methods
Features
Read full description

Transform your phone into a powerful, real-time color measurement tool. Capture, identify, and compare colors with accuracy you can trust, anywhere you go. Increased Accuracy with White Reference What sets this Color Meter apart from other apps is its innovative use of a white paper reference. This makes it possible to compensate for the color and intensity of the ambient light, which makes this app much more precise and reliable. It is like having a professional meter in your pocket! • Real-time color measurements with the camera • Increased accuracy with white reference • Also possible to measure colors from images • Many color spaces supported (RGB, HEX, HSL, HSI, HSB, HSP, CIELAB, OKLAB, OKLCH, XYZ, xyY, YUV, CMYK, RYB...) • Identifies the closest color in RAL, Munsell and HTML standard • Gives the color name in 40 different languages • Measures Light Reflectance Value, LRV • Compare colors with standardized Delta E methods (ΔE 00, ΔE 94, ΔE 76) • Save measurements with comments • Export to PDF, CSV and PNG • Expand, reorder and hide color spaces as needed • Supports 40 different languages, including english • Further customization possible Perfect for artists, designers, decorators, photographers, print technicians, architects, researchers, quality control specialists, and everyone else interested in colors. Privacy Policy, https://color-meter.contechity.com/pp.html End User License Agreement, https://color-meter.contechity.com/eula.html Contact Missing a feature or have ideas for improvement? I'd love to hear from you! Send your feedback to apps@contechity.com. Download this app and transform your device into a color meter today!

Screenshots

OSpectrometer4 screens
Colorimeter Camera Color Meter4 screens

Verdict

The call

The clearest difference is review sentiment: Colorimeter Camera Color Meter at 83% against OSpectrometer's 0%. Colorimeter Camera Color Meter also leads on rating (4.7 vs 2.0) and ratings volume (57 vs 4). OSpectrometer's advantage is update cadence (every 2 weeks vs every 6 weeks). On price, ads, in-app purchases and monetization model 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. OSpectrometer sells 2 in-app purchases, starting at $2.99 per month and Colorimeter Camera Color Meter sells 4 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Colorimeter Camera Color Meter holds the better App Store score, 4.7 against 2.0. That said, the two scores are not equally well evidenced: Colorimeter Camera Color Meter has 57 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 0% of OSpectrometer's written reviews are positive against 83% of Colorimeter Camera Color Meter's.

UpkeepUpdate frequency

OSpectrometer ships an update every 2 weeks, Colorimeter Camera Color Meter every 6 weeks. The most recent releases landed on October 15, 2026 and October 24, 2026 respectively.

Scorecard4 real differences · 6 level
OSpectrometer versus Colorimeter Camera Color Meter: the parameters behind the verdict, then further details
ParameterOSpectrometerColorimeter Camera Color Meter
PriceFreeFree
Rating2.0 (4 ratings)4.7 (57 ratings) — better
Positive reviews0.0% of reviews83.3% of reviews — better
Number of ratings457 — better
Update frequencyEvery 2 weeks — betterEvery 6 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.115.0 — better
Further details — not scored
Size71 MB46 MB
Age rating4+4+
DeveloperNANO ELECTRONICS RESEARCH MUHENDISLIK ARASTIRMA GELISTIRME LIMITED SIRKETIContechity AB

Customer experience

OSpectrometer

All ratings4 ratings
Positive25.0%
Neutral0.0%
Negative75.0%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Colorimeter Camera Color Meter

All ratings53 ratings
Positive94.3%
Neutral0.0%
Negative5.7%
Written reviews18 reviews
Positive83.3%
Neutral5.6%
Negative11.1%

In-app purchases

2 purchases

OSpectrometer

Subscriptions2
  • month3 Days trial$2.991 Month
  • year3 Days trial$9.991 Year
4 purchases

Colorimeter Camera Color Meter

Subscriptions2
  • Full access7 Days trial$0.991 Month
  • Full access2 variants$4.991 Year
One-time2
  • Full access3 variants$9.99
  • Full access$14.99

Questions

Is OSpectrometer free?
OSpectrometer is free to download, with in-app purchases available.
Is Colorimeter Camera Color Meter free?
Colorimeter Camera Color Meter is free to download, with in-app purchases available.
Which has better reviews, OSpectrometer or Colorimeter Camera Color Meter?
Colorimeter Camera Color Meter is rated higher. OSpectrometer averages 2.0 out of 5 from 4 ratings, while Colorimeter Camera Color Meter averages 4.7 from 57 ratings.
Do OSpectrometer or Colorimeter Camera Color Meter have ads?
Neither OSpectrometer nor Colorimeter Camera Color Meter shows ads.
Which is updated more often, OSpectrometer or Colorimeter Camera Color Meter?
OSpectrometer ships an update every 2 weeks, and Colorimeter Camera Color Meter every 6 weeks. Most recently, OSpectrometer was updated on October 15, 2026 and Colorimeter Camera Color Meter on October 24, 2026.

Other comparisons