Comparison

LightSpectrum Pro vs Batt

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

Batt

Features
Read full description

Batt-Man remembers where your rechargeable batteries went. Rechargeables are expensive, and they disappear into remotes, clocks and toys for years. Batt-Man keeps track so you don't have to. KNOW WHICH BATTERIES ARE WHERE Add each gadget with a photo and its spot in the house. See at a glance what's inside it. SEE HOW LONG THEY'VE BEEN IN Green, amber or coral: a traffic light tells you when a device is overdue for fresh batteries. SWAP THEM IN TWO TAPS Pick the device, tick the batteries going in. The old ones move to Charging on their own. EVERY BATTERY, AT A GLANCE Each battery gets a number like AA-01 (write it on with a marker!). Ready, In use, Charging or Retired: always sorted. CHANGE PHONE, KEEP EVERYTHING Back up to a file, restore on your new phone. No account needed. BIG, CLEAR AND SIMPLE Large text, big buttons, tap chips instead of typing. Made for everyone, including eyes that prefer bigger print. YOURS, PRIVATELY Everything stays on your phone. No sign-up, no internet, no tracking. Works with AA, AAA, C, D and 9V batteries. Enjoying Batt-Man? A quick rating helps a small app find more homes. Spotted a snag? Use the support link and we'll fix it.

Screenshots

LightSpectrum Pro4 screens
Batt4 screens

Verdict

The call

The clearest difference is price: Batt at Free against LightSpectrum Pro's $1.99. LightSpectrum Pro's advantage is in-app purchases (none vs 1) and ads (none vs shown). On 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

Batt is free to download; LightSpectrum Pro costs $1.99 up front. Batt sells 1 one-off in-app purchase. LightSpectrum Pro asks for nothing beyond the download.

Scorecard4 real differences · 7 level
LightSpectrum Pro versus Batt: the parameters behind the verdict, then further details
ParameterLightSpectrum ProBatt
Price$1.99Free — better
Rating4.1 (39 ratings) — better—
Positive reviews28.5% of reviews—
Number of ratings39 — better—
Update frequencyEvery 3 months—
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree—
Best chart rank#78 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.0 — better
Further details — not scored
Size88 MB25 MB
Age rating4+4+
DeveloperAM PowerSoftwarekhanit khanitvidthayanon

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

Batt

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

LightSpectrum Pro

No in-app purchases

1 purchases

Batt

One-time1
  • Remove Ads$1.99

Questions

Is LightSpectrum Pro free?
LightSpectrum Pro costs $1.99, with no in-app purchases.
Is Batt free?
Batt is free to download, with in-app purchases available.
Do LightSpectrum Pro or Batt have ads?
Batt shows ads; LightSpectrum Pro does not.

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