Castbox v10.28.0 - Free Podcast Player & Audiobooks
Direct high-speed download mirror for Castbox v10.28.0 (55.8 MB). Verified publisher release with cryptographic SHA-256 hash checksum.
Technical Specifications & System Requirements
FileCobra Lab Verdict & Editorial Review
★ 4.8/5.0 Verified ReviewWhat We Liked (Pros)
- In-audio keyword search finding exact spoken timestamps.
- Smooth silence trimming and dialogue volume boost.
- Over 95 million episodes, audiobooks, and FM streams.
Things to Keep in Mind (Cons)
- Free version contains occasional audio and banner advertisements.
How Castbox Compares to Top Alternatives
Pocket Casts features cleaner handcrafted Material design and advanced custom filter playlists, while Castbox focuses on AI in-audio search and audiobooks.
AntennaPod is 100% open source under GPL-3.0 with zero tracking or ads, whereas Castbox is a commercial platform with social features.
Castbox for Android — Free Podcast Player & Audiobooks
Castbox is an award-winning, AI-powered podcast player and audiobook application for Android. Renowned for its innovative in-audio search engine, Castbox lets you search for spoken keywords inside podcast audio tracks, guiding you directly to relevant timestamps in a feature-rich 55.8 MB package.
Featuring silence trimming, vocal volume boost, personalized podcast recommendations, offline episode downloads, and access to over 95 million podcast episodes and audiobooks, Castbox provides a modern podcasting experience.
🌟 Executive Overview & Key Tactical Highlights
Castbox uses machine learning NLP transcription to index spoken words inside podcast audio, making finding specific topics effortless.
Key Architectural Strengths:
- In-Audio AI Keyword Search: Search spoken terms and jump directly to the exact minute in the episode.
- Smart Silence Trimming DSP: Eliminates awkward dead air without modifying vocal pitch.
- Volume Boost Dialogue Enhancer: Normalizes quiet podcast hosts in loud commuting environments.
- Over 95 Million Episodes: Discover shows across true crime, tech, comedy, and audiobooks.
- Companion Integration: Pairs with Pocket Casts and AntennaPod.
📊 Technical Comparison: Castbox vs. Pocket Casts vs. AntennaPod
| Feature Dimension | Castbox (FileCobra) | Pocket Casts | AntennaPod |
|---|---|---|---|
| Spoken Word Search | In-Audio AI Search | Title/Show Search Only | Title/Show Search Only |
| Download Size | 55.8 MB | 24.0 MB | 10.3 MB |
| Audiobooks & FM | Built-In Library | Podcasts Only | Podcasts / RSS Only |
| Silence Trimming | Yes | Studio-Grade DSP | Basic Real-Time |
| Cross-Platform | Android, iOS, Web | Android, iOS, Web, Wear OS | Android (gpodder) |
📋 System Requirements & Technical Specifications
| Hardware Component | Minimum Requirement | Recommended Spec |
|---|---|---|
| Operating System | Android 6.0 (Marshmallow) or higher | Android 11.0 / 12.0 / 13.0 / 14.0+ |
| System RAM | 2 GB RAM | 3 GB RAM or higher |
| Storage Space | 80 MB free space + podcast storage | Fast internal storage / microSD |
| Architecture | Universal ARM64, ARMv7 | Universal ARM64-v8a |
🛠️ Step-by-Step Installation & Setup Guide
- Download the verified
castbox-v10.28.0.apkpackage via FileCobra's Cloudflare R2 mirror. - In Android Settings, grant Install Unknown Apps permission.
- Open the APK and tap Install.
- Open Castbox, subscribe to your favorite podcasts, enable Silence Trimming, and enjoy listening!
❓ Frequently Asked Questions (FAQ)
How does in-audio search work in Castbox?
Castbox uses AI speech-to-text models to transcribe podcast audio, allowing you to search for specific spoken words or topics and jump directly to that exact point in the episode.
Can I listen to Castbox podcasts offline?
Yes. You can configure automated episode downloading on Wi-Fi so your favorite shows are ready for offline listening during commutes.
Can I import my subscriptions from other podcast apps into Castbox?
Yes. Castbox supports standard OPML file import, allowing you to transfer all your subscriptions from Spotify, Apple Podcasts, or Pocket Casts in seconds.
Key Highlights & Features
- In-Audio AI Search Finding Exact Spoken Words Inside Podcast Audio Tracks
- Volume Boost & Silence Trimming Optimizing Voice Clarity on Commutes
- Access to Over 95 Million Podcast Episodes, Audiobooks, and FM Streams
- Custom Playlist Creation with Automated New Episode Auto-Download Rules
- Seamless Cross-Device Synchronization via Android, Web, and Smart Speakers
Castbox UI & Interface Screenshots
Related Android APK Software & Alternatives
Frequently Asked Questions & Verification Guide
How does in-audio search work in Castbox?
Castbox uses AI speech-to-text models to transcribe podcast audio, allowing you to search for specific spoken words or topics and jump directly to that exact point in the episode.
Can I listen to Castbox podcasts offline?
Yes. You can configure automated episode downloading on Wi-Fi so your favorite shows are ready for offline listening during commutes.
Can I import my subscriptions from other podcast apps into Castbox?
Yes. Castbox supports standard OPML file import, allowing you to transfer all your subscriptions from Spotify, Apple Podcasts, or Pocket Casts in seconds.