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PLUMBLINE: BIBLE STUDY · TERMS OF USE

Plumbline Terms of Use

Published by Sarper Dijital Teknolojiler ve Kiralama A.Ş.

Last updated: November 5, 2026

These terms apply to the Plumbline app, published by Sarper Dijital Teknolojiler ve Kiralama A.Ş., Muradiye Mahallesi, Zübeyde Hanım Caddesi No: 34/A, Yunusemre, Manisa, Türkiye ("we", "us"). By using Plumbline you agree to them and to Apple's Licensed Application End User License Agreement (https://www.apple.com/legal/internet-services/itunes/dev/stdeula/), which also applies.

On this page

  1. 1. The app
  2. 2. Plumbline Pro subscriptions
  3. 3. The AI study guide
  4. 4. Your content
  5. 5. Scripture and audio
  6. 6. Acceptable use
  7. 7. Disclaimers and liability
  8. 8. Changes and termination
  9. 9. Contact

1. The app

Plumbline helps you study Scripture using the SOAP method (Scripture, Observation, Application, Prayer), keep a private journal, read and listen to the Bible, and use an optional AI study guide.

2. Plumbline Pro subscriptions

  • Plumbline Pro is offered as an auto-renewable subscription: $7.99 per month or $49.99 per year (prices may vary by region and are shown in the app before you buy).
  • The yearly plan may include a 7-day free trial for new subscribers. If you don't cancel at least 24 hours before the trial ends, the yearly subscription starts and you are charged.
  • Payment is charged to your Apple ID. The subscription renews automatically unless canceled at least 24 hours before the end of the current period.
  • Manage or cancel in your iPhone's Settings → [your name] → Subscriptions. Refunds are handled by Apple under its policies.
  • Pro includes: unlimited AI study guidance, no ads, the weekly recap as PDF, and custom guides for small groups. The free version includes daily study, the journal, Bible text and audio, reading plans, and one guided conversation per day.

3. The AI study guide

  • The guide is an aid to your own reading and reflection. It is not a pastor, counselor, doctor or lawyer, and it does not replace your church, community or professional help.
  • AI replies can contain mistakes. Always check them against Scripture.
  • If you are in crisis, call or text 988 (Suicide & Crisis Lifeline in the US), or call 911 in an emergency.
  • Don't use the guide to create unlawful, abusive or harmful content.

4. Your content

Your notes, prayers and journal belong to you and stay on your device. You are responsible for anything you choose to share or export.

5. Scripture and audio

Bible text: Berean Standard Bible (BSB), King James Version (KJV) and World English Bible (WEB), in the public domain. Audio: Berean Standard Bible narrated by Bob Souer, dedicated to the public domain (CC0 1.0) by the BSB publisher (bereanbible.com/audio). Plumbline is not affiliated with or endorsed by these publishers or the narrator.

6. Acceptable use

Don't attempt to disrupt the service, bypass usage limits or subscription checks, reverse engineer the app beyond what law allows, or use it in violation of applicable law.

7. Disclaimers and liability

The app is provided "as is". To the extent permitted by law, we are not liable for indirect or consequential damages, and our total liability is limited to the amount you paid for Plumbline in the 12 months before the claim. Nothing in these terms limits rights you have under consumer protection laws that cannot be waived.

8. Changes and termination

We may update the app and these terms; the date above will change and important changes will be shown in the app. You can stop using Plumbline at any time by deleting it and canceling any subscription.

9. Contact

Sarper Dijital Teknolojiler ve Kiralama A.Ş.
Muradiye Mahallesi, Zübeyde Hanım Caddesi No: 34/A, Yunusemre, Manisa, Türkiye

dev@sarperdijital.com

Sarper LabsPublished by Sarper Dijital Teknolojiler ve Kiralama A.Ş.
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