Life & fun · alternatives · 2026

24 alternatives to Codex4: Learn Vocabulary Easily

Add your own words. Then learn them in context.

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Prices are shown for the 1 we have checked on their own sites, 1 of them free or with a free tier.

1
Personalized Duolingo (kind of) for vocabulary building▲161
Hi! Wanted to share the project I really wanted to have. TLDR; this app lets you create your own list of words and you get a Duolingo-like experience (kind of, still needs a lot of features) practicing those words in their context. My English is not the best but not the worst either. But I realized I can't boost it up after a certain level! In my belief, in order to truly learn a language, you need to be exposed to that language often. Vocabulary is the key factor here if you really want to improve in any language. My experience is that when I read a book to improve my English vocabulary, I…
2025 · github.com · its alternatives →
2
Leximio▲68
Create your own lexicon
2023 · apps.apple.com · its alternatives →
3
Wordbook▲398
Get captions, define unknown words, add them to a dictionary
2022 · its alternatives →
4
Personal Dictionary▲88
Store words you find online or reading books
2023 · dictionary.util.fyi · its alternatives →
5
Flipword▲95
Vocabulary learning tool
2023 · its alternatives →
6
Zingle▲109
Learn words in context with AI
Jun 2026 · learnzingle.com · its alternatives →
7
Word Learn: Study Vocabulary▲3
Systematize your studies and create your own lists of words
2021 · play.google.com · its alternatives →
8
Termyfree tier, from $5.99/mo▲122
Termy turns the content you already enjoy into language practice. Press a shortcut in any game, video, website, or app to get an in-context explanation of a word or phrase. Save it with its original sentence, screenshot, translation, and pronunciation, then review it through adap
Aug 2026 · termy.ai · its alternatives →
9
CapWords▲135
Learn a new language with AI-powered object recognition
2025 · capwords.app · its alternatives →
10
StickerWords▲80
Learn new words from the world around you
Jun 2026 · apps.apple.com · its alternatives →
11
Wordly▲22
Expand your vocabulary, learn new words in any language
2025 · wordly.es · its alternatives →
12
Collect words with Memorize▲82
Train vocabulary & repetition for +13 languages
2024 · apps.apple.com · its alternatives →
13
Essential Vocabulary▲80
Streamlining your English with short, impactful texts
2023 · its alternatives →
14
myW▲69
A new digital dictionary for you to learn new languages.
2022 · apps.apple.com · its alternatives →
15
Lexios▲76
Learn vocabulary effortlessy while browsing the web
2021 · its alternatives →
16
Dicty▲71
Master your English natively through various definitions
2023 · its alternatives →
17
SuperWordly▲86
Learn English words while doing other stuff online
2023 · superwordly.com · its alternatives →
18
Blarma▲81
Build vocabulary - learn words & languages with techniques
2022 · blarma.com · its alternatives →
19
Wordly▲71
Build your vocabulary one step at a time
2020 · play.google.com · its alternatives →
20
Maspeak▲93
Learn words in a new language
2018 · maspeak.com · its alternatives →
21
Learn like Billy▲62
Easy way to learn English
2023 · learnbilly.com · its alternatives →
22
fluencywave▲13
learn languages naturally with instant translations.
Nov 2025 · fluencywave.com · its alternatives →
23
VocabDepot▲65
Expand your vocabulary everyday for free
2021 · vocabdepot.com · its alternatives →
24
VocabMate▲10
Build vocabulary by using words in context
2024 · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →