BATI Interview Techniques vs Tonspur
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BATI Interview Techniques
This app provides companion materials for a Behavior Analysis Training course on investigative interviewing. It offers in-app review of documents, printable course materials, and tools for practicing personal history taking and subject interview assessment. Course registration is required to access content.
- In-app document review
- Printable course materials
- Personal history practice tool
- Subject interview assessment tool
- Companion to Behavior Analysis Training
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The companion app to Behavior Analysis Training course on Investigative Interview and Interrogation. Includes all documents for in-app review, as well as printable downloads of all course materials. We also have tools to practice taking a personal history and assessing a subject interview. Please note: Prior registration to the course is required. Please contact your course facilitator for the appropriates codes to access meeting content.
Tonspur
Listen to your personal audiobook collection with this companion app. Enjoy features like adjustable playback speed, a sleep timer, and easy chapter navigation. Download books for offline listening and sync your progress across devices.
- Variable playback speed
- Sleep timer
- Offline listening
- Chapter navigation
- Progress syncing
- CarPlay support
- Multi-library support
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Listen to your personal audiobook collection with Tonspur, the companion app for Audiobookshelf. Tonspur makes it easy to enjoy the audiobooks you own. Adjust playback speed to match your preference, set a sleep timer for bedtime listening, and jump between chapters with a simple tap. Download books to listen offline, and sync your progress across all your devices including iPhone, iPad, Apple Watch and CarPlay. Connect to multiple libraries and switch between them effortlessly. Whether you're at home, in the car with CarPlay, or on the go, your audiobooks are always ready when you are. FEATURES: * Support for podcasts and eBooks * Variable playback speed and automatic sleep timer * Download books for offline listening * Easy chapter navigation * Multi-User Support * Easily switch between libraries * CarPlay support * Automatic progress syncing * Statistics * Widgets * Pinned Genres and Playlists * Integrated Equalizer
Screenshots
Verdict
The clearest difference is in-app purchases: BATI Interview Techniques at none against Tonspur's 1. BATI Interview Techniques also leads on rating (5.0 vs 4.7) and iOS requirement (16.4 vs 26.1). Tonspur's advantage is ratings volume (6 vs 1). On price, update cadence, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Tonspur sells 1 one-off in-app purchase. BATI Interview Techniques asks for nothing beyond the download.
BATI Interview Techniques holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Tonspur has 6 ratings behind it against 1, so its average is the more settled of the two.
BATI Interview Techniques ships an update fortnightly, Tonspur every 3 weeks. The most recent releases landed on October 7, 2026 and October 11, 2026 respectively.
| Parameter | BATI Interview Techniques | Tonspur |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.7 (6 ratings) |
| Positive reviews | — | 83.3% of reviews |
| Number of ratings | 1 | 6 — better |
| Update frequency | Fortnightly — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad, Apple Watch — better |
| Requires iOS | 16.4 — better | 26.1 |
| Further details — not scored | ||
| Size | 46 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | QUESTION MARK MEDIA LLC | Tim Olbrich |
Customer experience
BATI Interview Techniques
Tonspur
In-app purchases
BATI Interview Techniques
No in-app purchases
Tonspur
- Downloads$8.99
Questions
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