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Bible dictionary on your phone: Blue Letter Bible

    Explore Blue Letter Bible’s tools for word study, dictionaries and commentaries alongside your Bible reading.

    Have you ever stopped in the middle of a chapter because a single word did not make sense? Perhaps it was an old measure, a festival you had never heard of, or a term that seemed to carry more weight than its English translation suggests.

    Questions like these are part of reading an ancient book. A good study tool does not answer them for you, but it puts the right information within reach so you can understand the passage for yourself.

    Blue Letter Bible is one such tool. It is free to download and brings a lexicon, dictionaries and commentaries together in one place, next to the text you are reading.

    Blue Letter Bible app icon

    What is Blue Letter Bible?

    Blue Letter Bible is a study app published by the ministry of the same name, which also runs a widely used Bible study website. The app aims to help readers go deeper than the surface of a verse, offering the original Hebrew and Greek alongside a choice of English translations.

    Rather than replacing your usual Bible, it works as a reference desk. You read a verse, tap it, and choose what you want to see: the meaning of a word, related verses or what commentators have written about it.

    Features

    According to its store pages, the app includes the following tools:

    • Hebrew and Greek lexicon: see the original word behind the translation, its root and the ways it is rendered elsewhere.
    • Interlinear tools: compare biblical words with their original-language forms, where supported.
    • Dictionaries and encyclopaedias: look up people, places, customs and ideas mentioned in the text.
    • Treasury of Scripture Knowledge: follow cross-references to passages that speak about the same subject.
    • Text commentaries: a large collection from many authors, useful when you want a second opinion on a difficult verse.
    • Parallel Bibles: place two translations side by side to compare their wording.
    • Personal study tools: record reflections and highlight passages. Notebook organisation and verse tags are described in the Android listing.

    Ease of use

    Begin with the Bible reader and open one study tool at a time. Check the help supplied with your version of the app if a control is unfamiliar.

    The Android listing describes adjustable font size and line spacing, plus controls for footnote and verse markers and red-letter text. The App Store also lists adjustable fonts and sizes. Check the settings available in your version.

    A simple way to start is to choose a passage you already know well, such as a familiar psalm, and open the lexicon on two or three words. Seeing how a word you thought you understood is used in other books can be surprisingly helpful.

    A short routine for word study

    1. Read the passage once without stopping, to get the overall sense.
    2. Pick one word that seems important or unclear.
    3. Read the available definitions and consider which meaning fits the sentence and passage.
    4. Use the word-search or concordance tools to compare other occurrences, then check the surrounding context.
    5. Write one sentence in your notes about what you learned.

    Try a ten- or fifteen-minute session, allowing more time when a passage needs closer attention.

    Who it is useful for

    Blue Letter Bible can be useful for several kinds of reader. A newcomer to the Bible can use the dictionaries to understand names and places without feeling lost. Someone who already reads every day may enjoy the lexicon as a way of slowing down and noticing detail.

    For people who lead a home group or teach a class, the commentaries and cross-references can help with preparation, offering different viewpoints on the same passage. Students of theology may find the interlinear and the original-language tools a convenient companion to their printed books.

    Whatever your starting point, it helps to remember that commentaries reflect the views of their authors. Reading two or three of them, and comparing them with the text itself, usually gives a more balanced picture.

    Download Blue Letter Bible

    Blue Letter Bible is free to download, and its store pages listed no in-app purchases when we checked. Install it only from your phone’s official store, using the links below, and confirm that the developer shown is Blue Letter Bible.

    Store details, such as available Bibles and features, may change, so read the description before installing.

    In closing

    A study app cannot replace attentive reading, prayer and conversation with others, but it can remove some of the obstacles that make a passage feel distant. With a lexicon and a dictionary beside the text, unfamiliar words become an invitation to learn rather than a reason to skip ahead.

    Back to the guide to Bible dictionary apps