Comparison

Nuclides vs Periodic Table Pocket

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Nuclides

Features
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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/

About

Periodic Table Pocket

Explore the periodic table with detailed element information, interactive models, and TTS voice playback. Features include study and quiz modes, exportable HD images, and multi-language support for learners and researchers.

Highlights
  • Interactive periodic table with zoom and drag
  • Detailed information for all 118 elements
  • 3D atomic models and spectral images
  • TTS voice playback for element names
  • Study and quiz modes with progress tracking
  • One-tap export of HD periodic table images
  • Offline use
Features
Read full description

**Explore the Fascinating World of the Periodic Table** Periodic Table Pocket is your professional chemistry companion that provides comprehensive and accurate element information for learners and researchers, featuring TTS voice playback and integrated Study & Quiz modes. Whether you're a chemistry beginner or a professional researcher, this pocket-sized app meets your needs. **Core Features** **Interactive Periodic Table** - Standard 18-column × 7-row periodic table layout - Support for 0.3x-3.0x zoom and free dragging - Color-coded by element category for clarity - Horizontal and vertical ruler navigation **Export & Share Features** - One-tap export of complete periodic table HD images - Save to photo album or share to other apps - Perfect for teaching and learning needs **Detailed Element Information** - Complete data for all 118 elements - Basic info: atomic number, symbol, name, atomic weight - Physical properties: melting point, boiling point, density, state - Electronic structure: electron configuration, ionization energy - Discovery information: discoverer, namer, discovery time **Visual Learning** - High-definition Bohr atomic model images - Interactive 3D atomic models (rotatable and scalable) - Real element spectral images - Professional data visualization charts **TTS Voice Playback** - One-tap pronunciation of element names, auto language matching - Play/stop control, optimized slow speech rate - Smart fallback to English when a locale is unavailable **Study & Quiz System** - Study mode: instant feedback, practice by element category - Quiz mode: records score, accuracy and time; three question types (symbol↔name, number→symbol) - History & Stats: total tests, average score, highest score, average accuracy **Multi-Language Support** - Support for 24 languages (see in-app and README) - Automatic system language detection + in-app language switching **Practical Tools** - Favorites: Mark commonly used elements - Search: Quick element location - **Export & Share**: One-tap export of complete periodic table HD images, save to album or share to other apps - **Study & Quiz**: dual modes with selectable question types - **History & Stats**: quiz records with score, accuracy and time - Offline use: No internet connection required **Use Cases** - Middle school chemistry course learning - University chemistry major reference - Chemistry teacher teaching aid - Research work data queries - Chemistry enthusiast knowledge exploration **App Features** - Accurate data: Based on authoritative chemistry databases - Beautiful interface: Modern design style - Smooth operation: Optimized user experience - Rich content: Covers all aspects of elements - Continuous updates: Regular addition of new features Download Periodic Table Pocket and start your chemistry exploration journey!

Screenshots

Nuclides4 screens
Periodic Table Pocket4 screens

Verdict

The call

The clearest difference is in-app purchases: Periodic Table Pocket at none against Nuclides's 2. Periodic Table Pocket also leads on update cadence (weekly vs every 2 weeks) and iOS requirement (13.0 vs 15.6). Nuclides's advantage is ads (none vs shown). On price 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Nuclides sells 2 in-app purchases, starting at $0.99 per month. Periodic Table Pocket asks for nothing beyond the download.

UpkeepUpdate frequency

Nuclides ships an update every 2 weeks, Periodic Table Pocket weekly. The most recent releases landed on October 26, 2026 and October 28, 2026 respectively.

Scorecard4 real differences · 5 level
Nuclides versus Periodic Table Pocket: the parameters behind the verdict, then further details
ParameterNuclidesPeriodic Table Pocket
PriceFreeFree
Rating—1.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 2 weeksWeekly — better
AdsNo — betterYes
In-app purchasesYesNo — better
Monetization—Ad-supported
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.613.0 — better
Further details — not scored
Size128 MB26 MB
Age rating4+4+
Developer建锋 宋昊 吴

In-app purchases

2 purchases

Nuclides

Subscriptions2
  • Premium Subscription · Monthly$0.991 Month
  • Premium Subscription · Yearly$9.991 Year
None

Periodic Table Pocket

No in-app purchases

Questions

Is Nuclides free?
Nuclides is free to download, with in-app purchases available.
Is Periodic Table Pocket free?
Periodic Table Pocket is free to download, with no in-app purchases.
Do Nuclides or Periodic Table Pocket have ads?
Periodic Table Pocket shows ads; Nuclides does not.
Which is updated more often, Nuclides or Periodic Table Pocket?
Nuclides ships an update every 2 weeks, and Periodic Table Pocket weekly. Most recently, Nuclides was updated on October 26, 2026 and Periodic Table Pocket on October 28, 2026.

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