Atomic Spectra vs Nuclear Wallet Cards
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Atomic Spectra
This reference app provides detailed information on strong line atomic emission spectra within the visible range. Users can search for elements by name, symbol, or atomic number and inspect individual spectra lines. It offers interactive features to visualize and navigate spectral data.
- Visible range spectra (380-740nm)
- Search by element name, symbol, or atomic number
- Sort by name, symbol, or spectra line count
- Inspect individual spectra lines
- Interactive spectrum visualization
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Reference app for Strong Line Atomic Emission Spectra in the visible range of 380-740nm. Can search by element name, symbol, or atomic number. Sort by name, symbol, or count of spectra lines. Drill down to an element and inspect the individual spectra lines. Tap on the line to show it in the spectrum; tap on the spectrum to scroll to that line.
Nuclear Wallet Cards
Access comprehensive nuclear data for every known nuclide in an interactive format. Explore ground and isomeric state properties with powerful search and filtering tools. This authoritative reference is ideal for researchers, educators, and students.
- Comprehensive nuclide data
- Powerful search and filter
- Interactive periodic table
- Authoritative data source
- User-friendly interface
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Explore nuclear data within Nuclear Wallet Cards, the comprehensive source for ground and isomeric state properties of every known nuclide. Based on the original reference booklet from the National Nuclear Data Center (NNDC) at Brookhaven National Laboratory (BNL), the Nuclear Wallet Cards app delivers authoritative nuclear data in an accessible and interactive format. Key Features: • Powerful Search & Filter: Quickly search by nucleus name or filter datasets by stability, atomic number, neutron count, atomic mass, excitation energy, half-life, abundance, mass excess, spin parity, and branching ratios. • Interactive Periodic Table: Navigate a dynamic periodic table with intuitive pan and zoom gestures. Tap any element to instantly view detailed isotopic datasets. • Reliable & Authoritative Data: Access precise nuclear data that supports research, education, and applied nuclear science. Whether you're a researcher, educator, or student, Nuclear Wallet Cards is your essential, user-friendly reference for all your nuclear data needs. Download now and start exploring nuclear data! Produced and maintained by the National Nuclear Data Center (NNDC) at Brookhaven National Laboratory (BNL).
Screenshots
Verdict
The clearest difference is price: Nuclear Wallet Cards at Free against Atomic Spectra's $1.99. Nuclear Wallet Cards also leads on update cadence (monthly vs every 19 months) and ratings volume (3 vs 1). Atomic Spectra's advantage is device support (4 vs 2). On rating, ads and in-app purchases 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
Nuclear Wallet Cards is free to download; Atomic Spectra costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for Atomic Spectra against 5.0 for Nuclear Wallet Cards. Both are backed by a comparable volume of ratings — 1 and 3 respectively.
Atomic Spectra ships an update every 19 months, Nuclear Wallet Cards monthly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.
| Parameter | Atomic Spectra | Nuclear Wallet Cards |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 5.0 (1 ratings) | 5.0 (3 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 | 3 — better |
| Update frequency | Every 19 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, Mac, Apple TV — better | iPhone, iPad |
| Requires iOS | 26.0 | 17.6 — better |
| Further details — not scored | ||
| Size | 7 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Jim Haungs | Brookhaven National Laboratory |
Customer experience
Atomic Spectra
Nuclear Wallet Cards
In-app purchases
Atomic Spectra
No in-app purchases
Nuclear Wallet Cards
No in-app purchases
Questions
Is Atomic Spectra free?
Is Nuclear Wallet Cards free?
Which has better reviews, Atomic Spectra or Nuclear Wallet Cards?
Do Atomic Spectra or Nuclear Wallet Cards have ads?
Which is updated more often, Atomic Spectra or Nuclear Wallet Cards?
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