---
title: "OT39 Old Testament Flashcards — App Overview"
url: https://marlvel.ai/apps/org-walkthru-ot39
category: Reference
developer: Walk Thru the Bible
platforms: ios
rating: 3.7 (9 ratings)
pricing: paid
report_level: overview
generated: 2026-04-28
last_verified: "2026-04-28T08:49:40.162Z"
overall_rating: 3.7
total_reviews: 9
data_age_days: 68
---

<!-- SECTION: Key Insight -->
> **Key Insight:** While users appreciate the visual learning methodology, the app has received reports regarding compatibility issues with newer iOS versions and concerns over the depth of content relative to its price.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Reference |
| Rating | 3.7 ★ (9) |
| Pricing | paid |
| Platforms | iOS |
| Latest Version (iOS) | 2.0 |
| Developer | Walk Thru the Bible |

<!-- SECTION: Summary -->
## What is OT39 Old Testament Flashcards?

OT39 Old Testament Flashcards is a digital learning tool designed to help users memorize the major themes of the 39 books of the Old Testament. The app utilizes a keyword learning system featuring visual graphics and hidden keys to assist with retention. It serves as a mobile companion to the developer's existing printed flashcard and coloring book series.

<!-- SECTION: Key Features -->
## Key Features

- **Keyword Learning System**: Uses visual caricatures and catchphrases to help users recall key points of historical, poetic, and prophetic books.
- **Visual Mnemonics**: Features eye-catching graphics with hidden keys designed to unlock the big ideas of each Bible book.
- **Thematic Synopses**: Provides brief written summaries for each book of the Old Testament to reinforce the visual learning components.

<!-- SECTION: Target Audience -->
## Who is it for?

The app is marketed toward adults and children for use in educational settings such as Sunday school, homeschooling, and personal study.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/ot39-old-testament-flashcards/id497434082?uo=2)
- [Full Intelligence Report](https://marlvel.ai/apps/org-walkthru-ot39)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/apps/org-walkthru-ot39).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*