Engine Update

    Knowledge Base

    1,800,000+

    indexed records

    Primary corpus679,109

    Tanakh, NT, Talmud, classical commentaries, ally sources

    Adversary intel790,850

    Cataloged opposing positions · 146,742 named-author chunks

    Video transcripts167,207

    Sermons & lectures indexed

    Vault entries62,834

    Curated rebuttals

    Today: +103 new sources

    250 prophecies·860 Q&A·262 blog posts

    What if your research tool answered back?

    Accordance gives you precision tools. ReProof gives you a research partner.

    1,800,000+ curated theological sources. AI-powered citations. Stance-based apologetics. Starting at $24.99/mo.

    Feature-by-feature comparison

    See how ReProof.AI compares to Accordance Bible Software across every category that matters.

    FeatureAccordanceReProof.AI
    Starting Price
    $59.90 (Starter Collection)
    Free tier available — $24.99/mo Warrior
    Full Access Cost
    Up to $1,699 (Master Collection)
    $49.99/mo Champion
    AI Research Assistant
    No AI assistant — manual search only
    Enoch — stance-aware AI with 1,800,000+ curated sources
    Apologetics Engine
    No apologetics or debate tools
    Messianic Jewish stance detection, Refiner's Fire, Adversary Vault
    Counter-Argument Intelligence
    Not available
    Auto-ingests anti-missionary, Islamic, and replacement theology arguments
    Source Library
    Curated academic modules — commentaries, lexicons, atlases
    1,800,000+ curated sources — Talmud, Zohar, Dead Sea Scrolls, Quran, Church Fathers, scholarly journals
    Original Languages
    Best-in-class Greek & Hebrew morphology, syntax search, diagramming
    Strong's Concordance, Sefaria integration, Hebrew acronyms database
    Learning Curve
    Moderate — cleaner than Logos but still tool-heavy
    Natural language — ask a question, get a cited answer
    Knowledge Growth
    Module updates a few times per year
    Hourly — scrapers add new content from 20+ sources daily
    Self-Testing
    Not available
    Refiner's Fire stress-tests every theological position
    Mobile App
    iOS only (no Android)
    iOS and Android (Capacitor)
    Offline Access
    Full offline with purchased modules
    Requires internet connection
    Mac-Native Performance
    Built for macOS — fast and polished
    Web-based — runs on any platform, any browser

    Who is ReProof built for?

    Messianic believers defending Torah-observant faith
    Counter-missionary researchers needing instant rebuttals
    Bible students who want answers — not just tools
    Content creators who need cited research in minutes
    Teachers preparing lessons without hours of manual study
    Anyone debating anti-missionaries, Islamic apologists, or replacement theologians

    The same question. Two different experiences.

    In Accordance
    1.Open Construct window
    2.Build syntax search for Isaiah 53
    3.Select parallel commentary modules
    4.Cross-reference with lexicon entries
    5.Read and compare manually
    6.Synthesize conclusions yourself
    ~30 minutes
    In ReProof
    "What does Isaiah 53 say about the Messiah?"
    → Cited answer in 10 seconds
    → 8 scholarly sources referenced
    → Counter-arguments addressed
    → Confidence score: 84%
    ~10 seconds

    Pricing, side by side

    Accordance Bible Software

    Starter$59.90
    Essential$249.90
    Standard$499.90
    Professional$799.90
    Master$1,699.90

    One-time purchase + individual module add-ons

    ReProof.AI

    FreeFree

    Limited daily messages

    Warrior$24.99/mo

    Unlimited messages, vault access, debate mode

    Champion$49.99/mo

    Full access — all premium features

    "Accordance gives you the scalpel. ReProof does the surgery."

    Where Accordance wins

    We believe in transparency. Here's where Accordance genuinely excels.

    Best-in-class Greek and Hebrew morphological analysis
    Powerful syntax search and sentence diagramming
    Mac-native performance — fast and beautifully designed on macOS
    Full offline access with purchased modules
    Curated academic modules from top publishers

    If you're a seminary student doing deep morphological analysis or syntax diagramming in Greek and Hebrew, Accordance is exceptional. If you need a research partner that defends biblical truth with cited evidence, ReProof was built for you.

    Start studying smarter — not harder.

    Try ReProof.AI free. No credit card required. Ask your first question in under 30 seconds.

    Frequently asked questions

    We use Google Analytics to understand how people find and use ReProof.AI. No personal data is sold or shared. Privacy Policy