Best Botany Dictionary Free Apps

221+ iOS apps curated and reviewed

4.6 avg rating
18 free apps
Updated June 2026

With an average user rating of 4.6★, the botany dictionary free category is one of the App Store's strongest. Browse all 221+ apps we track, sorted so the most loved ones surface first.

Compare top Botany Dictionary Free Apps (June 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Merriam-Webster DictionaryMerriam-Webster DictionaryFree4.8★ (323K)YesYesAug 2026
2PlantNetPlantNetFree4.6★ (7K)NoNoJul 2026
3FreeSaurus - The Free Thesaurus!FreeSaurus - The Free Thesaurus!Free3.4★ (120)NoNoJul 2026
4PlantSnap - Plant ScannerPlantSnap - Plant ScannerFree4.6★ (68K)YesYesAug 2026
5Dictionary.Dictionary.Free4.8★ (14K)YesYesJul 2026
6Plant Identifier: PlantiaryPlant Identifier: PlantiaryFree4.7★ (27K)NoYesAug 2026
7Plant Identification-PlantariaPlant Identification-PlantariaFree4.5★ (12K)YesYesJul 2026
8Greg: Plant Identifier & CareGreg: Plant Identifier & CareFree4.6★ (20K)NoYesJul 2026

Top Picks for Botany Dictionary Free

Merriam-Webster Dictionary#1

Merriam-Webster Dictionary by Merriam-Webster, Inc.

Editor's Choice
🔍 Reference
4.8😊(323K ratings)
FreeAdsIn-App Purchases
#38in Reference
Merriam-Webster Dictionary screenshot 1
Merriam-Webster Dictionary screenshot 2
Merriam-Webster Dictionary screenshot 3
Merriam-Webster Dictionary screenshot 4

Access America's most respected dictionary, updated with new words and meanings. This app offers offline access, voice search, daily vocabulary challenges, and a thesaurus. It's designed for English language reference, education, and vocabulary enhancement.

What We Love

  • 🚀 Easy to use
  • 👍 Comprehensive definitions
  • 👍 Helpful thesaurus
  • 🚀 Offline access

Room to Improve

  • 🐛 Ads can be intrusive
  • 🐛 Difficulty closing ads
  • 🐛 Repetitive game questions
PlantNet#2

PlantNet by Cirad-France

Plant Identification
Strong Contender
📚 Education
4.6😊(7K ratings)
Free
PlantNet screenshot 1
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PlantNet screenshot 6

Identify plants by taking photos with your smartphone. Contribute to a global citizen science project to understand and preserve plant biodiversity. Recognizes thousands of wild and cultivated species.

What We Love

  • 🌟 Accurate plant identification
  • 📚 Extensive plant database
  • 🔍 Multiple identification options (flower, leaf, bark, etc.)
  • 🤝 Community-driven identification

Room to Improve

  • 🐛 Occasional identification errors
  • 🌍 Limited coverage of certain regions/countries
  • 🤖 Struggles with rare or unusual plants
FreeSaurus - The Free Thesaurus!#3

FreeSaurus - The Free Thesaurus! by Weeswares Pte Ltd

Worth Considering
🔍 Reference
3.4😐(120 ratings)
Free
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This is a straightforward thesaurus app that provides synonyms and antonyms for words. It focuses on simplicity and ease of use, offering related words alongside definitions. An internet connection is required for it to function.

What We Love

  • ⭐ Great free app
  • 📝 Helpful for writing and finding synonyms
  • 🔍 Simple and easy to use interface

Room to Improve

  • ⚠️ Needs to be updated for iOS 11 compatibility
  • 🐛 Crashes and freezes on some devices
  • 🔌 Requires internet connection to function

More Botany Dictionary Free apps to explore

4
PlantSnap - Plant Scanner
PlantSnap - Plant Scanner
PlantSnap - Plant Scanner
AI Flower Disease Identifier
Free

Instantly identify over 600,000 plant species, including flowers, trees, and mushrooms, with just a photo. Get detailed care advice and connect with a global community of plant lovers to share discoveries and gardening tips.

Instant plant identificationExtensive plant database (600,000+ species)Gardening tips and care advice
📚 Education
(68K)
free with in-app purchases
5
Dictionary.
Dictionary.
Dictionary.
by TheFreeDictionary.com
Free

Access a comprehensive dictionary, thesaurus, and translation tool with millions of definitions and synonyms. Explore specialty dictionaries, learn new words daily, and play word games. This app offers offline access and integrates seamlessly with other applications.

Offline dictionary and thesaurusMillions of definitions and synonymsWord of the Day and Idiom of the Day
🔍 Reference
(14K)
free with in-app purchases
6
Plant Identifier: Plantiary
Plant Identifier: Plantiary
Plant Identifier: Plantiary
Ad-free • Plant ID & Care
Free

Identify thousands of plant species, mushrooms, and insects from a single photo. Receive tailored care plans, diagnostic advice for common issues, and custom reminders to ensure your plants thrive. Track your plant's progress with a health journal and access expert tips for successful gardening.

Instant plant recognition from photosEarly-warning pest and disease diagnosticsCustomizable care reminders
📚 Education
(27K)
free with in-app purchases
7
Plant Identification-Plantaria
Plant Identification-Plantaria
Plant Identification-Plantaria
Flora Health Guide & AI Chat
Free

Instantly identify plants, flowers, and trees by taking a photo. Access detailed information and track your discoveries with a vast database and intuitive interface. Become a plant expert with this AI-powered guide.

AI-powered plant identification10,000+ plant database95% identification accuracy
📚 Education
(12K)
free with in-app purchases
8
Greg: Plant Identifier & Care
Greg: Plant Identifier & Care
Greg: Plant Identifier & Care
Identify, Diagnose & Reminders
Free

Easily identify your indoor plants and receive personalized care instructions, including watering schedules and reminders. Connect with a global community of plant enthusiasts for advice and inspiration.

Auto-magical plant identificationPersonalized watering plansZero-guesswork watering reminders
📚 Education
(20K)
subscription
9
Free Plant Identifier
Free Plant Identifier
Free Plant Identifier
Flower identification and care
Free

Instantly identify thousands of plants, flowers, and fungi using your phone's camera. Get detailed information, including common and scientific names, and assess plant health to detect diseases.

Image recognition for plant identificationIdentifies over 33,000 plant typesProvides common and scientific names
📚 Education
(11K)
free with in-app purchases
10
Plant Identifier, Care: Planty
Plant Identifier, Care: Planty
Plant Identifier, Care: Planty
Tree Identification, Ad- Free
Free

Identify plants, diagnose diseases, and receive care reminders with this comprehensive plant companion app. It offers detailed plant information, virtual garden tracking, and light analysis to help you become a better plant parent and keep your plants healthy.

Smart plant identificationDisease and pest diagnosisCustomizable watering reminders
📚 Education
(38K)
free with in-app purchases
11
Plant Parent: Plant Care Guide
Plant Parent: Plant Care Guide
Plant Parent: Plant Care Guide
Identify, Diagnose & Reminders
Free

This app helps you care for your plants by identifying them, diagnosing illnesses, and providing timely reminders for watering, fertilizing, and more. It offers custom care plans and a light meter to ensure your plants thrive.

Smart care remindersPlant identificationDisease diagnosis
🌟 Lifestyle
(89K)
free with in-app purchases
12
Planta: Plant & Garden Care
Planta: Plant & Garden Care
Planta: Plant & Garden Care
Happy Life, Happy Plants!
Free

Identify plants with a photo, receive personalized care schedules, and get help diagnosing plant problems. Track your plant's progress and learn from a community of plant lovers.

AI plant identificationPersonalized care schedulesPlant problem diagnosis
🌟 Lifestyle
(112K)
subscription
13
PlantSnap Pro: Identify Plants
PlantSnap Pro: Identify Plants
PlantSnap Pro: Identify Plants
Plant & Flower Identification
$199.99

Instantly identify over 600,000 plant species with a photo. Learn how to grow and care for your plants with expert advice. Connect with a global community of plant lovers and share discoveries.

Instant plant identificationExtensive plant database (600,000+ species)Gardening tips and care advice
📚 Education
(45K)
ad-supported
14
Dictionary and Thesaurus Pro
Dictionary and Thesaurus Pro
Dictionary and Thesaurus Pro
by TheFreeDictionary.com
$9.99

Access a comprehensive offline dictionary and thesaurus with extensive content in multiple languages. Explore definitions, synonyms, and specialized dictionaries for various fields. Enjoy an ad-free experience with features like word games and instant lookups.

Ad-free experienceOffline English dictionary and thesaurusOffline dictionaries in 13 languages
🔍 Reference
(2.5K)
paid
15
Plant Identifier, Plant Care
Plant Identifier, Plant Care
Plant Identifier, Plant Care
Plant Identification, Plant ID
Free

This app uses AI to instantly identify plants, trees, and flowers from photos. It provides detailed care guides, diagnoses plant diseases, and offers insights into plant suitability and toxicity. A comprehensive tool for gardeners and nature enthusiasts.

Instant AI plant identificationPlant disease diagnosis and treatmentDetailed plant care guides
📚 Education
(5.5K)
free with in-app purchases
16
Plant Identifier: ChatPlant AI
Plant Identifier: ChatPlant AI
Plant Identifier: ChatPlant AI
Plant ID, Diagnose, Care Guide
Free

Instantly identify plants, flowers, and trees with high accuracy using your phone's camera. Get expert advice on plant care, diagnose diseases, and receive reminders for watering and sunlight. Safely identify toxic plants and manage your plant collection.

AI-powered plant identificationDisease diagnosis and treatmentPersonalized plant care reminders
📚 Education
(4.6K)
free with in-app purchases
17
Plant Guru - Plant Care App
Plant Guru - Plant Care App
Plant Guru - Plant Care App
Plant health・flower identifier
Free

This app helps you care for your plants by identifying diseases, setting care reminders, and providing a wealth of gardening knowledge. It offers tools to calculate watering needs, measure light, track expenses, and even identify unknown plants from photos.

Plant disease identificationCustomizable care remindersPlant identification by photo
📚 Education
(3.6K)
free with in-app purchases
18
Learn Botany, Biology &Zoology
Learn Botany, Biology &Zoology
Learn Botany, Biology &Zoology
by Pollmine.Com
Free

This app provides bite-sized video lessons and quizzes to help you learn Botany, Biology, and Zoology. An AI-driven coach guides your learning journey, making complex topics accessible. Dedicate just 60 minutes weekly to expand your knowledge in these scientific fields.

AI-driven coachBite-sized video lessonsInteractive quizzes
📚 Education
(161)
free
19
Medical Dictionary - English
Medical Dictionary - English
Medical Dictionary - English
150,000 medical terms
Free

Access over 150,000 medical definitions, terminology, and abbreviations across all branches of medicine. This free resource offers clear explanations for medical professionals, students, and anyone interested in healthcare terms.

150,000+ medical definitionsExtensive terminology and abbreviationsCovers all branches of medicine
🏥 Medical
(163)
free with in-app purchases
20
Spanish Dictionary - Dict Box
Spanish Dictionary - Dict Box
Spanish Dictionary - Dict Box
English Spanish Translation
Free

This app provides a comprehensive English to Spanish and Spanish to English dictionary and translator. It offers offline functionality, word correction, and the ability to translate text directly from other applications and web browsers. Users can also access image search and word reminders.

Offline dictionary and translatorTranslate in other apps and browsersImage search and picture dictionary
🔍 Reference
(8.5K)
free with in-app purchases

FAQ about Botany Dictionary Free

What are the best botany dictionary free apps for iPhone?
Merriam-Webster Dictionary tops our botany dictionary free apps ranking as of June 2026, with a 4.8-star average from 323K App Store ratings, and it's free to download.
Merriam-Webster Dictionary shows ads and offers in-app purchases, according to its App Store listing as of June 2026.
We track 221+ botany dictionary free apps on the iOS App Store as of June 2026, ranked by rating, recency, and analysis of real user reviews.
This app provides access to America's most respected dictionary, continuously updated with new words and meanings. It's designed for English language reference, education, and vocabulary building, offering features like offline access, voice search, and a thesaurus.
Key features include offline access to definitions and synonyms, voice search, a daily 'Word of the Day,' word games for vocabulary testing, favorite word tracking, and an integrated thesaurus with over 200,000 word choices. It also offers audio pronunciations by real English speakers.