Nuclides vs DIVE DIWA
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Nuclides
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Nuclides is a professional reference and calculation toolkit for nuclear technology, radiation protection, nuclear medicine, reactor data, and education. Key features: 1. Look up elements and nuclides, including half-life, decay modes, parent and daughter nuclides, radiation energies, and emission probabilities. 2. Explore extended nuclear data, including excited levels, gamma transitions, electron data, fission yields, nuclear moments, and ENSDF evaluation information. 3. Simulate gamma spectra from nuclide gamma-ray data with controls for live time, energy resolution, background, dead-time loss, and related detector parameters. 4. Run decay calculations, activity estimation, dose-rate estimation, effective dose estimation, radiation dose comparison, and unit conversions. 5. Use theranostics dosimetry tools for time-activity data, cumulated activity, and simplified MIRD relationships. 6. Consult radiation safety atlas entries, radiopharmaceutical references, material densities, physical constants, binding-energy charts, toxicity information, and the INES scale. 7. Browse nuclear power plant data, operating records, advanced reactor references, and small modular reactor information. Nuclides is designed for professionals, students, and users who need fast nuclear data lookup, radiation calculations, and clear technical references. Premium subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
DIVE DIWA
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DIWA (Diving Instructor World Association) is an international organization that provides training and certification for scuba diving instructors and recreational divers. DIWA offers a range of courses, from beginner to advanced levels, and focuses on providing high-quality training that prioritizes safety, environmental conservation, and fun.
Screenshots
Verdict
The clearest difference is in-app purchases: DIVE DIWA at none against Nuclides's 2. DIVE DIWA also leads on iOS requirement (13.0 vs 15.6). Nuclides's advantage is update cadence (every 2 weeks vs every 8 months). On price, ads and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Nuclides sells 2 in-app purchases, starting at $0.99 per month. DIVE DIWA asks for nothing beyond the download.
Nuclides ships an update every 2 weeks, DIVE DIWA every 8 months. The most recent releases landed on September 9, 2026 and September 11, 2026 respectively.
| Parameter | Nuclides | DIVE DIWA |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks โ better | Every 8 months |
| Ads | No | No |
| In-app purchases | Yes | No โ better |
| Devices | iPhone, iPad, iPod โ better | iPhone, iPod |
| Requires iOS | 15.6 | 13.0 โ better |
| Further details โ not scored | ||
| Size | 128 MB | 70 MB |
| Age rating | 4+ | 4+ |
| Developer | ๅปบ้ ๅฎ | DIWA Holding Limited |
In-app purchases
Nuclides
- Premium Subscription ยท Monthly$0.991 Month
- Premium Subscription ยท Yearly$9.991 Year
DIVE DIWA
No in-app purchases









