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Best Bortle Scale Apps

87+ iOS apps curated and reviewed

3.8 avg rating
20 free apps
Updated May 2026

Looking for free bortle scale apps? 20 of our 87+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Top Picks for Bortle Scale

Light Pollution Map - Dark Sky#1

Light Pollution Map - Dark Sky by Dunbar Technology, LLC

Astronomy tools & more
Editor's Choice
☀️ Weather
4.7😞(81 ratings)
FreeIn-App Purchases
Light Pollution Map - Dark Sky screenshot 1
Light Pollution Map - Dark Sky screenshot 2
Light Pollution Map - Dark Sky screenshot 3
Light Pollution Map - Dark Sky screenshot 4
Light Pollution Map - Dark Sky screenshot 5
Light Pollution Map - Dark Sky screenshot 6

Discover optimal locations for stargazing and astrophotography with a detailed light pollution map. Get real-time alerts for celestial events like meteor showers and auroras, track the ISS, and access daily astronomy photos. Enhance your night sky observations with comprehensive tools and information.

What We Love

  • 👍 Clear detailed satellite views
  • 🚀 Works with barely any signal
  • 📊 Useful map with latest data
  • 🌌 Helps with astrophotography

Room to Improve

  • 🐛 Crashes on opening the map
  • 🐛 Crashes after locating user's position
  • 🔍 No legend for map colors
Scale For Grams: Digital Scale#2

Scale For Grams: Digital Scale by AVLABS DIJITAL HIZMETLER ANONIM SIRKETI

Scale For Weighing Gram Weight
Strong Contender
🔧 Utilities
4.5😞(3.3K ratings)
FreeIn-App Purchases
Scale For Grams: Digital Scale screenshot 1
Scale For Grams: Digital Scale screenshot 2
Scale For Grams: Digital Scale screenshot 3
Scale For Grams: Digital Scale screenshot 4

Estimate the weight of objects using only your phone's camera. This AI-powered app transforms your device into a smart scale, providing instant weight and size estimates for various items from food to furniture. It also offers additional tools like text translation and calorie detection.

What We Love

  • 💡 Accurate food measurements
  • 👍 Works as a small scale

Room to Improve

  • 🚫 Doesn't work as advertised
  • 💰 Expensive for the functionality
  • 🤷‍♀️ Lack of instructions
iScale: Kitchen Scale#3

iScale: Kitchen Scale by Arbor Apps LLC

Kitchen Scale
Worth Considering
🔍 Reference
3.0😞(4.8K ratings)
FreeAds
iScale: Kitchen Scale screenshot 1
iScale: Kitchen Scale screenshot 2

This app transforms your device into a digital kitchen scale. Weigh ingredients and manage your cooking with precision. It's a handy tool for any culinary enthusiast.

What We Love

  • 👍 Quick and easy
  • 💡 Unique and innovative concept

Room to Improve

  • 🐛 Doesn't work as advertised
  • 💩 Just an ad platform, not a real scale
  • 🤬 Constant ads disrupt usage

More Bortle Scale apps to explore

4
Scale for Grams & Weights・Kilo
Scale for Grams & Weights・Kilo
Scale for Grams & Weights・Kilo
Digital Scale for Grams
Free

Transform your phone into a digital scale using AI. Simply take a photo of an object to instantly get its weight in various units. Ideal for precise measurements of small items, food portions, or packages without needing a physical scale.

Instant weight estimates from photosScale for grams precisionDigital scale accuracy with ML
🔧 Utilities
(606)
subscription
5
Scale for Grams & Weighing RA
Scale for Grams & Weighing RA
Scale for Grams & Weighing RA
Fun Photo Weight Guessing Game
Free

Estimate object weights using just a photo with this fun guessing game. It utilizes local algorithms for privacy and offers challenges and statistics. Remember, results are approximate and for entertainment only.

Photo weight estimationWeight-guessing challengesAchievement unlocks
🔧 Utilities
(352)
ad-supported
6
Scale for Grams & Weighing
Scale for Grams & Weighing
Scale for Grams & Weighing
Digital scales for food & more
Free

Transform your phone into a digital scale to instantly measure the weight of everyday objects by simply taking a picture. Track your measurements with a history view and enjoy a simple, intuitive weighing experience.

Instant weight measurement via photoAI-powered weight calculationMeasurement history tracking
🔧 Utilities
(701)
free with in-app purchases
7
CAT Scale Locator
CAT Scale Locator
CAT Scale Locator
Find The Nearest CAT Scales!
Free

Easily find the closest CAT Scale locations using your current GPS or by custom search. Save your favorite locations for quick access. This app helps truckers and drivers locate essential weighing stations on the go.

Locate nearest CAT ScalesGPS-based searchCustom location search
🗺️ Navigation
(7)
free
8
Just Scale kitchen scale
Just Scale kitchen scale
Just Scale kitchen scale
get the best smart scale deals
Free

Transform your smartphone into an expanded display for your smart kitchen scale. Effortlessly convert between numerous weighing units like kg, oz, lb, and ml, and even convert weight to length for yarn measurement. Supports Siri Shortcuts for convenient control.

Smartphone as scale displayUnit conversions (kg, oz, lb, ml, cups)Weight to length conversion
🔧 Utilities
(66)
ad-supported
9
Digital scale: grams & weights
Digital scale: grams & weights
Digital scale: grams & weights
Scale For Weighing Gram Weight
Free

Transform your iPhone into a digital scale using AI. Estimate the weight of objects by taking a photo or uploading an image, with results available in grams, pounds, or kilograms. Track your measurements and use the AI-powered algorithm for accurate estimations.

Estimate weight from photosSupports grams, pounds, and kilogramsAI-powered weight estimation
🔧 Utilities
(66)
free with in-app purchases
10
Scale for grams - weight scale
Scale for grams - weight scale
Scale for grams - weight scale
Digital scale to weight grams
Free

Transform your phone into a digital scale using AI. Simply take a photo of an object, and the app will instantly estimate its weight in grams. It's a convenient, portable tool for quick measurements on the go.

AI-powered weight estimationInstant measurement from photosSmart history log
🔧 Utilities
(119)
free with in-app purchases
11
American Scale
American Scale
American Scale
Weigh-in scale
Free
$0.99 | 100% OFF

This application connects to a compatible weigh-in scale to display weight readings remotely. It automatically detects nearby scales, allowing users to select and switch between them. The app supports both pounds and kilograms and includes a feature to zero the scale.

Remote weight readingAutomatic scale recognitionSwitch between multiple scales
📊 Productivity
(6)
free
12
Scale Ratio
Scale Ratio
Scale Ratio
For Architect, Modelist
Free

Easily convert distances between any scales for projects like architecture and model building. Input your measurements and desired scale to instantly calculate scaled distances.

Convert distances between any scalesSupports architecture and modeling projectsInstant calculation of scaled distances
🔧 Utilities
(3)
free with in-app purchases
13
Scale for Grams & AI Weighing
Scale for Grams & AI Weighing
Scale for Grams & AI Weighing
Digital Food & Weight Scale
Free

This app uses AI to estimate the weight of objects from a single photo, acting as a digital scale for grams. It also offers additional AI tools like length measurement, text translation, and calorie detection.

AI-powered weight estimation from photosDigital scale for gramsMeasure length from photos
🔧 Utilities
(142)
freemium
14
Truck Scale Calculator
Truck Scale Calculator
Truck Scale Calculator
by Bruce Fraser
Free
$1.99 | 100% OFF

This utility app helps truck drivers calculate axle weights for various truck configurations. It supports 3 or 4 axle sets and different scale types, highlighting overweight axles and allowing adjustments for fifth wheel and tandem slide positions.

Axle weight calculationSupports 3 and 4 axle configurationsHandles short and long platform scales
🔧 Utilities
(44)
free
15
Baking Scale
Baking Scale
Baking Scale
requires a smart food scale
Free

This app pairs with a smart food scale to help bakers achieve consistent results by accurately weighing ingredients. It offers features like weight history recording and customizable display options.

Weight history recordingScale capacity meterCustomizable display font
🍔 Food & Drink
(3)
free
16
Scale-Tec POINT
Scale-Tec POINT
Scale-Tec POINT
by Scale-Tec Ltd.
Free

This app acts as a remote display and support tool for compatible weighing devices. View live weight readings, zero or tare scales, and adjust display settings. It also facilitates direct connection with the support team for remote diagnosis and troubleshooting.

Remote scale display via BluetoothLive weight readings up to 1000 ftRemote zero and tare functions
🔧 Utilities
(14)
free
17
Bally Total Fitness BLS-7361 Bluetooth Bathroom Scale
Bally Total Fitness BLS-7361 Bluetooth Bathroom Scale
Bally Total Fitness BLS-7361 Bluetooth Bathroom Scale
by Sakar international inc.,
Free

Track your weight loss journey with this app that wirelessly syncs data from a compatible Bluetooth scale. Monitor your weight and BMI with easy-to-read graphs and charts, and review your progress over time.

Wireless Bluetooth syncingWeight trackingBMI calculation
💪 Health & Fitness
(33)
free
18
The Scales App
The Scales App
The Scales App
Jumpstart your practicing
Free
$0.99 | 100% OFF

This application simplifies music practice by helping users master scales. It offers extensive customization options for scales and chords, allowing users to tailor their practice sessions. An optional in-app purchase unlocks advanced features like a drone, metronome, and detailed scale information.

Master scales easilyCustomizable scale and chord selectionFine-grained settings for practice
🎵 Music
(3)
free with in-app purchases
19
American Scale Ntep
American Scale Ntep
American Scale Ntep
by American Scale CO.
Free
📊 Productivity
(0)
20
Scale-Tec Scale
Scale-Tec Scale
Scale-Tec Scale
by Scale-Tec Ltd.
Free
💼 Business
(0)