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Best Conversion Weight Apps

248+ iOS apps curated and reviewed

4.2 avg rating
14 free apps
Updated September 2026

If you already know Unit Converter, this is the deeper bench. 248+ conversion weight apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of September 2026.

Compare top Conversion Weight Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Unit Converter - Best Unit AppUnit Converter - Best Unit AppFree4.8β˜… (193K)YesYesSep 2026
2Weight Converter for lb,kg,gWeight Converter for lb,kg,gFree3.6β˜… (8)YesNoJul 2026
3Convert Any Unit LiteConvert Any Unit LiteFree4.7β˜… (48K)YesNoSep 2026
4Body Weight Unit ConverterBody Weight Unit ConverterFreeβ€”NoNoSep 2026
5Weight Converter for the iPhoneWeight Converter for the iPhoneFreeβ€”β€”NoJul 2026
6Kg Lbs ConverterKg Lbs ConverterFreeβ€”YesNoMay 2026
7Weight Units ConverterWeight Units Converter$1.993.0β˜… (1)NoNoSep 2026
8Weight Converter ProWeight Converter ProFree5.0β˜… (7)NoYesAug 2026

Top Picks for Conversion Weight

Unit Converter - Best Unit App#1

Unit Converter - Best Unit App by Alan Mrvica

Convert All Units and Currency
Editor's Choice
✈️ Travel
4.8😊(193K ratings)
FreeAdsIn-App Purchases
#87in Travel
Unit Converter - Best Unit App screenshot 1
Unit Converter - Best Unit App screenshot 2
Unit Converter - Best Unit App screenshot 3
Unit Converter - Best Unit App screenshot 4
Unit Converter - Best Unit App screenshot 5
Unit Converter - Best Unit App screenshot 6

Easily convert between a wide range of units across 20 categories, including length, weight, temperature, and more. Features live currency updates for 155 world currencies, refreshed daily. Designed for simplicity and visual appeal.

What We Love

  • πŸš€ Easy to use
  • πŸ‘ Comprehensive conversions
  • πŸ’‘ Useful for travel and cooking
  • πŸš€ Quick and efficient
  • πŸ‘ Intuitive interface

Room to Improve

  • πŸ› Limited character input
  • πŸ› Difficulty with negative numbers
  • πŸ’‘ Lack of ability to quickly switch between conversions
  • πŸ’° Pro version not worth the cost
Convert Any Unit Lite#3

Convert Any Unit Lite by Cider Software LLC

Units & Currency Converter
Worth Considering
✈️ Travel
4.7😊(48K ratings)
FreeAds
Convert Any Unit Lite screenshot 1
Convert Any Unit Lite screenshot 2
Convert Any Unit Lite screenshot 3
Convert Any Unit Lite screenshot 4
Convert Any Unit Lite screenshot 5

Quickly convert between thousands of units with an intelligent search and autocomplete feature. This app offers a streamlined interface, an integrated calculator, and the ability to save favorite conversions. It supports over 6,400 units across 51 categories, making it a comprehensive tool for all your conversion needs.

What We Love

  • πŸ‘ Easy to use
  • πŸš€ Comprehensive unit conversions
  • πŸ’‘ Allows custom unit creation
  • πŸ”§ Useful for cooking, travel, and work
  • πŸ” Intuitive and straightforward interface

Room to Improve

  • πŸ” Too many unit options can be overwhelming
  • πŸ” Ads can be intrusive and disrupt usage
  • πŸ› Occasional bugs and freezing issues
  • πŸ”‹ High ad frequency drains battery quickly

More Conversion Weight apps to explore

FAQ about Conversion Weight

What are the best conversion weight apps for iPhone?
Unit Converter - Best Unit App tops our conversion weight apps ranking as of September 2026, with a 4.8-star average from 193K App Store ratings, and it's free to download.
Yes β€” 14 of the top conversion weight apps we rank are free to download, including Unit Converter - Best Unit App and Weight Converter for lb,kg,g.
Unit Converter - Best Unit App shows ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 248+ conversion weight apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This app is a comprehensive unit and currency converter. It allows you to convert between a wide variety of units across 20 different categories, such as length, weight, temperature, and area. It also provides live updates for currency exchange rates for 155 world currencies.
Key features include conversion for 20 categories of units, live daily updates for 155 world currencies, a simple and beautifully designed interface, and the ability to easily swap units with a button press on the keypad.