Best Gram Converter Apps

247+ iOS apps curated and reviewed

3.8 avg rating
16 free apps
Updated October 2026

Every iPhone needs a few good gram converter apps. We benchmark 247+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top Gram Converter Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Unit Converter - Best Unit AppUnit Converter - Best Unit AppFree4.8★ (199K)YesYesNov 2026
2Ounces to grams and grams to oz weight converterOunces to grams and grams to oz weight converter$2.992.0★ (2)NoNoAug 2026
3Ounces To Grams – Weight Converter (oz to g)Ounces To Grams – Weight Converter (oz to g)$0.994.9★ (7)NoNoOct 2026
4Weight Units ConverterWeight Units Converter$1.993.0★ (1)NoNoSep 2026
53 Grams Unit Converter3 Grams Unit ConverterFree5.0★ (1)NoYesMay 2026
6KitCon: Cooking Unit ConverterKitCon: Cooking Unit ConverterFree3.9★ (45)YesYesOct 2026
7Weight Converter for lb,kg,gWeight Converter for lb,kg,gFree3.8★ (9)YesNoOct 2026
8Unit_ConverterUnit_ConverterFree—NoNoNov 2026

Top Picks for Gram Converter

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😊(199K ratings)
FreeAdsIn-App Purchases
#94in 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

  • 🚀 Easy to use
  • 👍 Comprehensive conversions
  • 💡 Useful for travel and cooking
  • 🚀 Quick and efficient
  • 👍 Intuitive interface

Room to Improve

  • 🐛 Limited character input
  • 🐛 Difficulty with negative numbers
  • 💡 Lack of ability to quickly switch between conversions
  • 💰 Pro version not worth the cost

More Gram Converter apps to explore

FAQ about Gram Converter

What are the best gram converter apps for iPhone?
Unit Converter - Best Unit App tops our gram converter apps ranking as of October 2026, with a 4.8-star average from 199K App Store ratings, and it's free to download.
Yes — 16 of the top gram converter apps we rank are free to download, including Unit Converter - Best Unit App and 3 Grams Unit Converter.
Unit Converter - Best Unit App shows ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 247+ gram converter apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.