Best Reference Guide Apps & Games

210+ iOS apps & games curated and reviewed

4.4 avg rating
16 free apps & games
Updated July 2026

Finding the right reference guide apps and games can be overwhelming with so many options. We've analyzed 210+ apps and games to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top Reference Guide Apps & Games (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Ref Guide for Essential OilsRef Guide for Essential Oils$4.994.0★ (47)NoYesOct 2026
2TMB Reference GuideTMB Reference GuideFree5.0★ (1)NoYesMay 2026
3Georgia TB Reference GuideGeorgia TB Reference GuideFree5.0★ (9)NoNoJul 2026
4Human Skeleton Reference GuideHuman Skeleton Reference Guide$4.994.0★ (5)NoNoJul 2026
5SmartBox Reference GuideSmartBox Reference GuideFree3.1★ (34)NoNoOct 2026
6Lab Values Reference GuideLab Values Reference GuideFree2.9★ (9)NoNoMay 2026
7Davis Drug Guide For NursesDavis Drug Guide For NursesFree4.8★ (8.7K)NoYesOct 2026
8Cause of Death Reference GuideCause of Death Reference GuideFree4.2★ (5)NoNoAug 2026

Top Picks for Reference Guide

4.0😐(47 ratings)
$4.99In-App Purchases
#49in Health & Fitness
Ref Guide for Essential Oils screenshot 1
Ref Guide for Essential Oils screenshot 2
Ref Guide for Essential Oils screenshot 3
Ref Guide for Essential Oils screenshot 4
Ref Guide for Essential Oils screenshot 5

This app provides a comprehensive guide to essential oils and related products, offering quick information for supporting health and wellness. It includes detailed product information, everyday tips, recipes, and application instructions for hundreds of health conditions.

What We Love

  • 📚 Comprehensive essential oil information and reference
  • 🔍 Easy search functionality by oil or ailment
  • 📱 Convenient portable access without carrying physical books
  • ✅ Well-organized and user-friendly interface
  • 💡 Detailed information on oil properties and applications
  • 🎯 Helpful for both beginners and experienced users
  • 📖 Includes chemical constituents and folklore information
  • 🔗 Contains research study references
  • 💰 Good value compared to physical reference guides

Room to Improve

  • 💰 Unfair pricing model with upfront cost plus subscription fees
  • 🔄 Lack of regular updates for new oils and products
  • ❌ Outdated product information and discontinued items still listed
  • 🐛 Notes section frequently buggy and unreliable
  • 🔧 App crashes and black screen issues
  • 📱 iPad landscape mode not supported
  • 🔗 Broken contact and bug report links
  • ❌ Missing ingredient information in some recipes
  • 🎨 Poor UI design in recent updates
  • ⚠️ Inconsistent information between app and actual product bottles

More Reference Guide apps to explore

FAQ about Reference Guide

What are the best reference guide apps & games for iPhone?
Ref Guide for Essential Oils tops our reference guide apps & games ranking as of July 2026, with a 4.0-star average from 47 App Store ratings, and it's priced at $4.99.
Yes — 16 of the top reference guide apps & games we rank are free to download, including TMB Reference Guide and Georgia TB Reference Guide.
Ref Guide for Essential Oils has no ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 210+ reference guide apps & games on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.

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