LightSpectrum Pro vs HATO ONE
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Color temperature measurement
- Color spectrum analysis (360nm-800nm)
- CIE 1931 white point display
- Wavelength filtering and overlay
- High accuracy compared to professional devices
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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.
HATO ONE
This utility app measures key light aspects crucial for poultry welfare and performance. It allows comparison with industry standards and export of data for analysis. Remote measurement capabilities enhance user convenience.
- Measures light intensity
- Measures critical color temperature
- Measures light spectrum
- Measures color rendering index
- Measures light flicker
- Compares measurements to standards
- Exports data to PC
- Remote measurement
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The HATO ONE is an all-in-one light meter. A must-have for every poultry specialist who is aiming to improve animal welfare and performances by means of lighting. This product is able to measure all key aspects of light that matter for poultry: • Light intensity • Critical Colour Temperature • Light spectrum • Colour Rendering Index • Light flicker After measurement, the HATO ONE enables you to compare specific measurement results with poultry needs, human needs or other lamps on the spot to directly allocate points of improvement. All measurement data can be exported to a PC for further analysis as well. The results after measurement can immediately be seen at the HATO ONE App. Furthermore, the HATO ONE APP makes it possible to measure from a distance, so you don’t have to keep the meter in your hands all the time. Improve performances, start measuring! More information? www.hato.one
Screenshots
Verdict
The clearest difference is price: HATO ONE at Free against LightSpectrum Pro's $1.99. HATO ONE also leads on iOS requirement (11.0 vs 15.6). LightSpectrum Pro's advantage is rating (4.1 vs 2.0) and review sentiment (28% vs 0%). On ads, in-app purchases, monetization model 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
HATO ONE is free to download; LightSpectrum Pro costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
LightSpectrum Pro holds the better App Store score, 4.1 against 2.0. That said, the two scores are not equally well evidenced: LightSpectrum Pro has 39 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 28% of LightSpectrum Pro's written reviews are positive against 0% of HATO ONE's.
LightSpectrum Pro ships an update every 3 months, HATO ONE every 8 months. The most recent releases landed on October 14, 2026 and September 26, 2026 respectively.
| Parameter | LightSpectrum Pro | HATO ONE |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 4.1 (39 ratings) — better | 2.0 (5 ratings) |
| Positive reviews | 28.5% of reviews — better | 0.0% of reviews |
| Number of ratings | 39 — better | 5 |
| Update frequency | Every 3 months — better | Every 8 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Best chart rank | #22 — better | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 11.0 — better |
| Further details — not scored | ||
| Size | 88 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | AM PowerSoftware | United Power Research Technology Corporation |
Customer experience
LightSpectrum Pro
HATO ONE
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
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- 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
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- 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
HATO ONE
Not enough reviews yet to summarise bugs or requests.
In-app purchases
LightSpectrum Pro
No in-app purchases
HATO ONE
No in-app purchases
Questions
Is LightSpectrum Pro free?
Is HATO ONE free?
Which has better reviews, LightSpectrum Pro or HATO ONE?
Do LightSpectrum Pro or HATO ONE have ads?
Which is updated more often, LightSpectrum Pro or HATO ONE?
Other comparisons
