If you want to study the Bible in Greek and Hebrew and you do not want to spend money, Blue Letter Bible is the best app for most people. It is genuinely free — no ads, no premium tier, no in-app purchases — and every verse links to an interlinear, Strong's numbers, and Hebrew and Greek lexicons.
If you want the same thing with a stronger academic pedigree, STEP Bible, built by Tyndale House in Cambridge, is also completely free and lets you search by lemma, morphology, and root.
If you are doing graduate-level or professional work and need fast morphological and syntactic searching, Accordance is the strongest tool in the category, and it is priced accordingly — collections start around $279.
Below is who each app is actually for, and where each one stops being the right answer.
The comparison at a glance
| App | Best for | Original-language tools | Platforms | Price |
|---|---|---|---|---|
| Blue Letter Bible | Most people, free | Interlinear, Strong's, Hebrew/Greek lexicons, concordances | iOS, Android, web | Free (no ads, no IAP) |
| STEP Bible | Free scholar-grade searching | Interlinear, morphology, lemma and root search | Web, Win/Mac/Linux, iOS, Android | Free (donation-supported) |
| Accordance | Serious language study and research | Morphology- and syntax-driven original-language search | Mac, Windows, iOS, Android | Collections from ~$279 |
| Logos | An all-in-one library with language tools | Greek/Hebrew tools at Pro and Max tiers | Mac, Windows, iOS, Android, web | Premium $9.99/mo, Pro $14.99/mo, Max $19.99/mo; 30-day trial |
| Olive Tree | Buying only the resources you want | Interlinears and original-language texts sold à la carte | iOS, Android, Mac, Windows | Free app; resources sold separately; subscription $5.99/mo or $59.99/yr |
| Bible Hub | Quick interlinear lookups | Interlinear, Strong's, transliteration | Web, iOS, Android | Free |
| Bible Copilot | Understanding what a word is doing in the passage | No interlinear or lexicon; explains original-language significance in plain English | iOS only | Free (3 questions/day, no account); Pro $49.99/yr with 7-day trial |
Blue Letter Bible — the best free choice for most readers
Blue Letter Bible is the app I would hand to someone who says "I want to see the Greek behind this verse" and has never opened a lexicon. Tap a verse, open the Interlinear/Concordance view, and you get the original-language words in one column with the English in another. Tap a single word and you get its Strong's number, its lexicon entry, its part of speech and inflection, and every other verse where the same root appears.
Take the opening of John's Gospel, which in the King James Version reads:
In the beginning was the Word, and the Word was with God, and the Word was God.
In Blue Letter Bible you can tap "Word," land on Strong's G3056, logos, and see everywhere else the word appears in the New Testament. That is the entire word-study workflow, free, on a phone.
The trade-off: the interface shows its age, and the default translations skew traditional. It is a study tool, not a pleasant daily-reading experience.
STEP Bible — free, and quietly the most rigorous
STEP Bible comes out of Tyndale House, a biblical-studies research institute. It is free, donation-supported, has no ads and no in-app purchases, and it is explicitly designed so that people with no Greek or Hebrew can still get at the original languages.
Its real advantage is search. You can query by lemma, by morphology, or by root, and view multiple translations aligned word-under-word. If you have ever wanted to ask "where else does this exact Hebrew root show up, and in what verbal stem?" — STEP answers that without a paid tier.
The trade-off: fewer commentaries than the commercial platforms, and less polished mobile apps.
Accordance — the specialist's tool
Accordance has been the quiet favorite of Hebrew and Greek scholars for years, and its original-language search syntax is the fastest and most flexible in the category. Its Starter Collection 14 (Triple — English, Greek, and Hebrew) runs about $279, and language-focused collections climb from there.
Buy Accordance if you are writing exegesis papers, preaching from the original text weekly, or doing academic research. If you are trying to understand one verse better on a Tuesday night, this is far more tool than you need.
Logos — powerful, but the languages live upstairs
Logos is the most complete Bible-study platform in existence, and also the most expensive way to reach Greek and Hebrew. Its subscription tiers are Premium ($9.99/month, $99.99/year), Pro ($14.99/month, $149.99/year), and Max ($19.99/month, $199.99/year), each after a 30-day free trial.
The catch for language study: Premium is pitched at small-group leaders and does not foreground original-language tools. "Dig into Greek and Hebrew" begins at Pro, and advanced grammar and syntax tools are a Max feature. The realistic entry point for serious language work is therefore $149.99/year and up.
Logos is worth it if you want the library — thousands of commentaries, dictionaries, and monographs that link to each other. It is poor value if all you want is an interlinear, which Blue Letter Bible and STEP give you for nothing.
Olive Tree — pay only for what you use
The Olive Tree app is free and includes hundreds of free resources. Original-language material is modular: Greek New Testaments (NA28, UBS5), the Hebrew Bible (BHS), the Septuagint, and Greek-English and Hebrew-English interlinears are sold individually. There is also a subscription at $5.99/month or $59.99/year, with a 14-day free trial.
This suits people who want one good interlinear on a well-designed reading app. It gets expensive if you keep adding resources.
Where Bible Copilot fits — and where it does not
Let me be straightforward, since this is our app: Bible Copilot is not an interlinear, and it is not a lexicon. If your goal is to look up a Strong's number or scan every occurrence of a Hebrew root, use Blue Letter Bible or STEP Bible. They are free and they are better at that job.
What Bible Copilot does is different. It answers questions about a passage in six structured modes — Summary, Observe, Interpret, Theology, Apply, and Apologetics — following the inductive method of observation, interpretation, and application, with Scripture cited in its answers. When an original-language distinction actually matters to a text's meaning, it explains that distinction in plain English, in context, rather than handing you a lexicon entry to interpret yourself.
In practice these are complementary. Blue Letter Bible tells you everywhere logos appears. A question to Bible Copilot helps you work out what John is doing by opening his Gospel with it. It is free to try, with three questions a day and no account required; Pro is $49.99/year with a 7-day free trial, and it is available on the App Store for iOS only.
If you are on Android, the honest recommendation is Blue Letter Bible plus STEP Bible, and you will not have missed much.
Frequently Asked Questions
Do I need to know Greek or Hebrew to use these apps? No. Blue Letter Bible, STEP Bible, and Bible Hub are built for readers with no formal language training. Interlinears place the English directly under each original-language word, and Strong's numbers link to lexicon entries written in plain English. Knowing the alphabet helps, but it is not required to start.
What is the best completely free Bible app with Greek and Hebrew? Blue Letter Bible, for most people: no ads, no premium tier, no in-app purchases, and it includes interlinears, Strong's, lexicons, and commentaries. STEP Bible is an equally free alternative with stronger morphology and lemma searching, and Bible Hub is excellent for fast one-off lookups.
Is Logos or Accordance better for original languages? Accordance generally has the edge on raw original-language searching — its morphology and syntax search is faster and more flexible. Logos has the larger integrated library. If languages are the priority, Accordance; if you want the surrounding scholarship, Logos. Note that Logos gates Greek and Hebrew tools behind its Pro tier and above.
Is an interlinear enough to interpret a verse correctly? No. An interlinear shows which original word sits under which English word. It cannot tell you how that word functions in its sentence, its genre, or its covenant context — and word studies detached from context are a common source of confident misreading. Faithful readers across traditions disagree about many texts; these tools inform that conversation rather than settling it.
Can I use more than one of these apps together? Yes, and most serious students do. A common free setup is Blue Letter Bible for word-level lookups plus STEP Bible for searching. Adding something that explains a passage's structure and argument — a good commentary, or an app like Bible Copilot — covers the interpretive layer the lexicons deliberately leave to you.