# Radioactive Decay Simulator vs Nuclear Wallet Cards

The clearest difference is rating: Nuclear Wallet Cards at 5.0 against Radioactive Decay Simulator's 4.0. Nuclear Wallet Cards also leads on update cadence (monthly vs every 17 months) and ratings volume (3 vs 1). Radioactive Decay Simulator's advantage is iOS requirement (9.3 vs 17.6). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Nuclear Wallet Cards holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

Radioactive Decay Simulator ships an update every 17 months, Nuclear Wallet Cards monthly. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Radioactive Decay Simulator | Nuclear Wallet Cards |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/radioactive-decay-simulator/id959357000/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/nuclear-wallet-cards/id6741994617/reviews)** |
| Number of ratings | 1 | **3** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Monthly** |
| Monetization | Free | Free |
| Size | 20 MB | 9 MB |
| Requires iOS | **9.3** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Alistair Shaw](https://appshunter.io/developer/959356999) | [Brookhaven National Laboratory](https://appshunter.io/developer/1796322722) |

## What reviewers say

### Radioactive Decay Simulator

[App page](https://appshunter.io/ios/app/radioactive-decay-simulator/id959357000)

This educational tool simulates radioactive decay for a group of atoms. Users can choose preset atoms or input custom half-lives to observe decay in real-time graphs. The simulator allows for adjustments in atom count and speed for efficient analysis.

**Highlights:** Emulates radioactive decay, Select preset or custom atoms, Adjust atom count, Real-time decay graphs, Adjustable simulation speed

**Features:** macOS Compatibility

**In-app purchases:** none


### Nuclear Wallet Cards

[App page](https://appshunter.io/ios/app/nuclear-wallet-cards/id6741994617)

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.

**Highlights:** Comprehensive nuclide data, Powerful search and filter, Interactive periodic table, Authoritative data source, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Radioactive Decay Simulator free?

Radioactive Decay Simulator is free to download, with no in-app purchases.

### Is Nuclear Wallet Cards free?

Nuclear Wallet Cards is free to download, with no in-app purchases.

### Which has better reviews, Radioactive Decay Simulator or Nuclear Wallet Cards?

Nuclear Wallet Cards is rated higher. Radioactive Decay Simulator averages 4.0 out of 5 from 1 ratings, while Nuclear Wallet Cards averages 5.0 from 3 ratings.

### Do Radioactive Decay Simulator or Nuclear Wallet Cards have ads?

Neither Radioactive Decay Simulator nor Nuclear Wallet Cards shows ads.

### Which is updated more often, Radioactive Decay Simulator or Nuclear Wallet Cards?

Radioactive Decay Simulator ships an update every 17 months, and Nuclear Wallet Cards monthly. Most recently, Radioactive Decay Simulator was updated on October 24, 2026 and Nuclear Wallet Cards on October 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*