Comparison

LightSpectrum Pro vs eRealSign Authenticator

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

Head to head
About

LightSpectrum Pro

Measure light source color temperature and spectrum accurately without expensive equipment. View the color spectrum from 360nm to 800nm, and analyze the white point on the CIE 1931 diagram. Overlay filtered wavelengths on camera images to see frequency reflections and intensity.

Highlights
  • Color temperature measurement
  • Color spectrum analysis (360nm-800nm)
  • CIE 1931 white point display
  • Wavelength filtering and overlay
  • High accuracy compared to professional devices
Features
Currently charting
Read full description

With LightSpectrumPro EVO you can measure the color temperature of a light source without having to spend hundreds of dollars on professional devices. LightSpectrumPro EVO has an error of 2 - 8% compared to existing professional products on the market. in addition to the color temperature measurement in Kelvin, LightSpectrumPro EVO allows you to view the color spectrum of the light being examined with a band ranging from 360nm to 800nm. in addition to the spectrum it is possible to display the position of the white point on the CIE 1931 diagram and to apply a filter for wavelengths to display in overlay on the image captured by the cameras which elements reflect a specific frequency and with what intensity.

About

eRealSign Authenticator

Features
Read full description

eRealSign Authenticator is a secure two-factor authentication companion app for eRealSign electronic document signing. Link your mobile device to your eRealSign account to receive real-time signing PINs. Each time you sign a document in eRealSign, a unique time-based PIN is generated on your phone — adding an extra layer of identity verification to your digital signatures. Features: • Secure device linking via QR code • Real-time PIN generation for document signing • Biometric authentication (Face ID / Touch ID) for app access • Works with eRealSign web portal • Simple two-tab interface: My PIN and Link Device Built by UAM Technologies Corp for use with the eRealSign platform.

Screenshots

LightSpectrum Pro4 screens
eRealSign Authenticator2 screens

Verdict

The call

The clearest difference is price: eRealSign Authenticator at Free against LightSpectrum Pro's $1.99. LightSpectrum Pro's advantage is chart position (#91 vs unranked). On ads, in-app purchases, device support and iOS requirement 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

eRealSign Authenticator is free to download; LightSpectrum Pro costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Scorecard2 real differences · 9 level
LightSpectrum Pro versus eRealSign Authenticator: the parameters behind the verdict, then further details
ParameterLightSpectrum ProeRealSign Authenticator
Price$1.99Free — better
Rating4.1 (39 ratings) — better—
Positive reviews28.5% of reviews—
Number of ratings39 — better—
Update frequencyEvery 3 months—
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
Best chart rank#91 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.0 — better
Further details — not scored
Size88 MB49 MB
Age rating4+4+
DeveloperAM PowerSoftwareUAM TECHNOLOGIES CORP

Bugs and requests

LightSpectrum Pro

Reported bugs

11 issues
  • App crashes on startup or during use
  • Camera feed not accessible or showing red X icon
  • Screen blinking/flashing on first launch
  • UI elements cut off on larger screens
  • Buttons unresponsive or sticky
Show 6 more
  • App freezes and cannot be exited
  • Black screen on launch
  • Inconsistent readings that change rapidly
  • App stuck on opening screen
  • Camera focus issues on iPhone X and newer models
  • Incompatibility with iOS 5, 6, and newer iPhone models

Requested features

11 requests
  • Spot metering with crosshairs or target reticle
  • Direct DUV (Delta uv) display calculation
  • Flicker detection for light sources
  • Calibration function for improved accuracy
  • Support for fluorescent light preset adjustments
Show 6 more
  • Tap-to-focus camera control
  • Landscape orientation support
  • Ability to disable tutorial tips
  • Screenshot capability in landscape mode
  • Better documentation and user guide
  • Device compatibility information in app store listing

eRealSign Authenticator

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

LightSpectrum Pro

No in-app purchases

None

eRealSign Authenticator

No in-app purchases

Questions

Is LightSpectrum Pro free?
LightSpectrum Pro costs $1.99, with no in-app purchases.
Is eRealSign Authenticator free?
eRealSign Authenticator is free to download, with no in-app purchases.
Do LightSpectrum Pro or eRealSign Authenticator have ads?
Neither LightSpectrum Pro nor eRealSign Authenticator shows ads.

Other comparisons