Comparison

HATO ONE vs Luminometer

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

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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

About

Luminometer

Transform your device into a professional light meter to measure luminosity in lux and foot-candles. Achieve optimal illumination for any space, from greenhouses to workspaces, ensuring comfort and preventing glare. Calibrated with reference equipment for precise and reliable readings.

Highlights
  • Measures lux and foot-candle units
  • Internal Exposure Compensation for accuracy
  • Camera view for measured area
  • Calibrated with reference equipment
  • Versatile for various lighting conditions
  • Helps set optimal illumination levels
Features
Read full description

Luminometer is an exceptional app that is designed to transform your iPhone or iPad into a professional and user-friendly light meter. It is based on Internal Exposure Compensation, which makes it the most accurate lux meter available on the market today. With Luminometer, you can easily measure the lux of any light source in both lx and foot-candle units without having to spend any money on professional equipment. One of the standout features of Luminometer is the ability to swiftly and efficiently set up your greenhouse, living room, workplace, study room, or any other area with the perfect level of illumination. Our app ensures that you achieve a well-lit environment that is comfortable to work in without causing any unnecessary glare. The app is incredibly versatile, making it consistent for use in various lighting conditions such as plant lighting, household lighting, workstation lighting, and mood lighting. No matter the type of lighting you need to measure, Luminometer is up to the task. With Luminometer, you get a comprehensive set of features that enable you to measure lux with ease. The camera view feature allows you to view the area being measured, making it even more user-friendly. The app is calibrated using top reference equipment, ensuring that your measurements are always precise and reliable. Whether you're dealing with ambient indoor and outdoor lighting or task and accent lighting, Luminometer has you covered. You can trust that our app is accurate and reliable, thanks to our calibration process, which is done using the best reference equipment available. In conclusion, if you're looking for an accurate, versatile, and easy-to-use light meter app, then Luminometer is the perfect solution for you. Get started today and experience the benefits of using our app to achieve the perfect level of illumination for any environment. Terms and pricing: Our weekly subscription costs $3.99 USD/week and provides you with unlimited access to premium features, as long as your subscription remains active. The subscription automatically renews, and payment will be charged to your iTunes account when you confirm the initial purchase. If you do not wish to renew your subscription, you may turn off the auto-renewal option in your Account Settings at least 24-hours before the current subscription period ends. For more information, please refer to our terms of service available at https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ or privacy policy on https://27groupts.notion.site/Privacy-Policy-for-Luminometer-iOS-App-68f7e665c2924108a9111eae825e53c7

Screenshots

HATO ONE4 screens
Luminometer3 screens

Verdict

The call

The clearest difference is rating: Luminometer at 3.5 against HATO ONE's 2.0. Luminometer also leads on update cadence (every 2 months vs every 8 months) and ratings volume (16 vs 5). HATO ONE's advantage is in-app purchases (none vs 2) and ads (none vs shown). On price, review sentiment 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. Luminometer sells 2 in-app purchases, starting at $2.99 per 7 days. HATO ONE asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Luminometer holds the better App Store score, 3.5 against 2.0. Both are backed by a comparable volume of ratings — 5 and 16 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

UpkeepUpdate frequency

HATO ONE ships an update every 8 months, Luminometer every 2 months. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

Scorecard7 real differences · 3 level
HATO ONE versus Luminometer: the parameters behind the verdict, then further details
ParameterHATO ONELuminometer
PriceFreeFree
Rating2.0 (5 ratings)3.5 (16 ratings) — better
Positive reviews0.0% of reviews0.0% of reviews
Number of ratings516 — better
Update frequencyEvery 8 monthsEvery 2 months — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS11.0 — better16.6
Further details — not scored
Size31 MB14 MB
Age rating4+4+
DeveloperUnited Power Research Technology Corporation27GROUP

Customer experience

HATO ONE

All ratings5 ratings
Positive20.0%
Neutral0.0%
Negative80.0%
Written reviews9 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Luminometer

All ratings13 ratings
Positive69.2%
Neutral7.7%
Negative23.1%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

HATO ONE

No in-app purchases

2 purchases

Luminometer

Subscriptions1
  • Weekly$2.997 Days
One-time1
  • Lifetime$9.99

Questions

Is HATO ONE free?
HATO ONE is free to download, with no in-app purchases.
Is Luminometer free?
Luminometer is free to download, with in-app purchases available.
Which has better reviews, HATO ONE or Luminometer?
Luminometer is rated higher. HATO ONE averages 2.0 out of 5 from 5 ratings, while Luminometer averages 3.5 from 16 ratings.
Do HATO ONE or Luminometer have ads?
Luminometer shows ads; HATO ONE does not.
Which is updated more often, HATO ONE or Luminometer?
HATO ONE ships an update every 8 months, and Luminometer every 2 months. Most recently, HATO ONE was updated on October 21, 2026 and Luminometer on October 24, 2026.

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