Casty vs VoydBites
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Casty
Transform PDF documents into engaging podcasts with live transcripts and a built-in dictionary. Listen offline to educational content in Japanese or English after generation.
- Convert PDFs to podcasts
- Live transcripts
- Built-in dictionary
- Offline listening
- Japanese and English support
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Convert PDF files into educational podcasts in Japanese or English Live transcript with built-in dictionary. Offline listening available after generation.
VoydBites
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Science moves fast. Most people never see it. VoydBites is your ultimate science news app, delivering a daily feed of the most fascinating scientific discoveries and STEM education insights directly from peer-reviewed research. We condense complex scientific articles into beautiful, swipeable cards you can read in minutes, making daily learning easier than ever. From black holes in astrophysics to breakthroughs in neuroscience. From CRISPR in biology to quantum computing. From climate science to the latest psychology research. Every card is an AI summary trained on the actual research paper — no clickbait, no opinion, just the latest tech news and science facts. What makes VoydBites the best educational app for science enthusiasts: → Swipe-based feed designed for quick daily learning → Every story backed by real scientific research, academic journals, and primary sources → Key takeaways upfront — full deep-dive into the original research paper if you want more → Personalised science news feed tailored to your STEM interests from day one → Push notifications when new scientific discoveries and tech breakthroughs drop → Bookmark and save science articles to revisit later → Built for curiosity, STEM students, and researchers, not doom-scrolling Explore a vast library of science topics and STEM categories, including: Astrophysics, Space Exploration, Quantum Physics, Neuroscience, Artificial Intelligence (AI) & Tech News, Biology, Medicine, Chemistry, Psychology, Earth & Climate Science, Engineering, Mathematics, Ecology, and Energy. Whether you're a university student, an academic reading journals, or just someone who loves learning new facts — VoydBites is your daily dose of wonder. Science isn't boring. It's just usually badly explained. We fixed that. Download VoydBites today for your daily science news. Terms of Use: https://voydbites.com/terms Privacy Policy: https://voydbites.com/privacy
Screenshots
Verdict
The clearest difference is in-app purchases: Casty at none against VoydBites's 2. Casty also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement 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. VoydBites sells 2 in-app purchases, starting at $5.99 per month. Casty asks for nothing beyond the download.
Casty ships an update every 2 days, VoydBites daily. Both last shipped on October 1, 2026.
| Parameter | Casty | VoydBites |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 days | Daily — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 15.0 — better |
| Further details — not scored | ||
| Size | 23 MB | 144 MB |
| Age rating | 4+ | 12+ |
| Developer | Wai Yip Li | Rishin Anil |
In-app purchases
Casty
No in-app purchases
VoydBites
- Premium$5.991 Month
- Annual Premium$49.991 Year
