# Decay Tree vs ENEC 360

The clearest difference is rating: ENEC 360 at 5.0 against Decay Tree's 4.1. ENEC 360 also leads on in-app purchases (none vs 2) and ads (none vs shown). Decay Tree's advantage is ratings volume (7 vs 2) and iOS requirement (12.0 vs 15.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Decay Tree sells 2 one-off in-app purchases. ENEC 360 asks for nothing beyond the download.

ENEC 360 holds the better App Store score, 5.0 against 4.1. Both are backed by a comparable volume of ratings — 7 and 2 respectively.

Decay Tree ships an update every 11 months, ENEC 360 every 20 months. The most recent releases landed on October 13, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Decay Tree | ENEC 360 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (7 ratings)](https://appshunter.io/ios/app/decay-tree/id1066023546/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/enec-360/id1315730030/reviews)** |
| Number of ratings | **7** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 11 months** | Every 20 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 53 MB | 51 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gustaf Holst](https://appshunter.io/developer/1066023545) | [Emirates Nuclear Energy Corporation](https://appshunter.io/developer/1315730029) |

## What reviewers say

### Decay Tree

[App page](https://appshunter.io/ios/app/decay-tree/id1066023546)

This educational app visually represents nuclear decay chains for various nuclides. It graphically displays decay modes and half-lives, alongside detailed tables and graphs of spin, specific activity, and emitted particles.

**Highlights:** Visualizes decay chains, Graphical display of decay modes, Graphical display of half-lives, Tabulated details of spin, specific activity, emitted particles, Graphs of spin, specific activity, emitted particles

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Radiation Table | $0.99 | one-time |
| Remove Ads | $1.99 | one-time |


### ENEC 360

[App page](https://appshunter.io/ios/app/enec-360/id1315730030)

Explore the UAE's Barakah Nuclear Energy Plant in an immersive VR experience. Learn about nuclear reactions and electricity generation through an exclusive virtual tour. Discover the future of clean energy in the Emirates.

**Highlights:** Immersive VR experience, Exclusive plant tour, Nuclear reaction simulation, Electricity generation explanation, Clean energy insights

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Decay Tree free?

Decay Tree is free to download, with in-app purchases available.

### Is ENEC 360 free?

ENEC 360 is free to download, with no in-app purchases.

### Which has better reviews, Decay Tree or ENEC 360?

ENEC 360 is rated higher. Decay Tree averages 4.1 out of 5 from 7 ratings, while ENEC 360 averages 5.0 from 2 ratings.

### Do Decay Tree or ENEC 360 have ads?

Decay Tree shows ads; ENEC 360 does not.

### Which is updated more often, Decay Tree or ENEC 360?

Decay Tree ships an update every 11 months, and ENEC 360 every 20 months. Most recently, Decay Tree was updated on October 13, 2026 and ENEC 360 on September 15, 2026.

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