Heft - Estimate Weight AI

Weight from a photo, no scale

Only for iPhone

Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.

iPhone

Estimate any object's weight from a single photo - honest confidence range, no scale required. Great for parcels, luggage, kitchen & everyday curiosity. Heft is the AI weight estimator that turns your iPhone camera into a portable scale - instantly. Snap a photo of any object and get a weight estimate with an honest confidence range. No scale? No problem. Whether you're sizing up a parcel before the post office, weighing luggage before a flight, or just curious how heavy something is - point your camera, tap the shutter, and Heft delivers a weight estimate with the AI's actual confidence shown next to it. No fake precision, no gimmicks. You see exactly how much the AI trusts its own answer. HOW IT WORKS 1. Point your camera at any object 2. Tap to capture 3. Get an instant weight estimate with confidence range Heft is transparent by design. Every estimation comes with a confidence percentage and a weight range, so you always understand how reliable the result is. FEATURES • Instant AI weight estimation from a single photo • Confidence ring shows estimation reliability at a glance • Measurement history - every estimation saved and searchable • Support for kilograms, pounds, ounces, and grams • Light and dark mode • Home screen widget for quick access to recent estimations (Heft+) • CSV export for your measurement data (Heft+) • Clean, minimal design - no clutter, no ads HEFT+ (OPTIONAL UPGRADE) • Unlimited daily estimations (free tier: 5 per day) • LiDAR-enhanced accuracy - real object dimensions for tighter estimates (Pro devices) • Smart AI model - upgraded AI for more precise results • Full measurement history access • Home screen widget • CSV data export LIDAR-ENHANCED ACCURACY On iPhone Pro and iPad Pro with LiDAR, Heft measures real object dimensions using ARKit depth sensing. These physical measurements are sent alongside the photo to the AI, producing significantly tighter confidence ranges. PRIVACY FIRST • Photos are processed transiently - never stored on any server • All estimations stored on-device only • No personal data collected • Analytics are anonymous (Firebase Analytics - IDFA disabled, no ad tracking, no cross-app tracking) • See our privacy policy for full details PERFECT FOR • Shipping & postage - estimate parcel and package weight before the post office • Travel - will this bag be overweight before the check-in counter? • Kitchen & cooking - quick weight checks without a food scale • Curiosity - "How heavy is that rock?" • Education - teach kids about mass and weight Heft is built in Australia with a focus on honesty, privacy, and delightful design. Download Heft and start estimating - no scale required. Subscription auto-renews; cancel at least 24 hours before period ends via Apple ID settings. Prices may vary by country/region. Privacy Policy: https://tchelow.com/heft/privacy-policy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

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v2.0 brings Heft to readers worldwide: six new in-app languages - Spanish, German, French, Italian, Brazilian Portuguese, Hindi - with a live language picker. NEW • Six in-app languages with native weight units, decimal separators, and date formats • Switch language live in Profile → Settings → Language (no relaunch) • AI now describes objects in your selected language IMPROVED • Locale-aware weights, percentages, and CSV exports - the right way for your region • Better feedback when you Restore Purchases • Several polish passes across copy, layout, and accessibility FIXED • Localization edge cases where strings drifted from the rest of the app

Version 2.0

The developer, Tchelow, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Identifiers
    • Usage Data
    • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

Accessibility

The developer has not yet indicated which accessibility features this app supports. Learn More

Information

Seller
  • Tchelow
Size
  • 18.3 MB
Category
  • Utilities
Compatibility
Requires iOS 17.0 or later.
  • iPhone
    Requires iOS 17.0 or later.
  • Mac
    Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.0 or later.
Languages
English and 6 more
  • English, French, German, Hindi, Italian, Portuguese, Spanish
Age Rating
4+
In-App Purchases
Yes
Copyright
  • © 2026 Tchelow
  • Developer Website
  • Privacy Policy

    • More by Tchelow

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