# Radiant vs Arcadium

The clearest difference is price: Arcadium at Free against Radiant's $2.99. Arcadium also leads on review sentiment (100% vs 83%). Radiant's advantage is in-app purchases (none vs 11) and ads (none vs shown). On rating, update cadence and device support there is nothing between them.

Arcadium is free to download; Radiant costs $2.99 up front. Arcadium sells 11 one-off in-app purchases. Radiant asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for Radiant against 4.8 for Arcadium. That said, the two scores are not equally well evidenced: Radiant has 99 ratings behind it against 12, so its average is the more settled of the two. Written reviews are what separate them: 83% of Radiant's written reviews are positive against 100% of Arcadium's.

Radiant ships an update every 3 months, Arcadium every 4 months. The most recent releases landed on October 19, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Radiant | Arcadium |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.9 (99 ratings)](https://appshunter.io/ios/app/radiant/id335989815/reviews)** | [4.8 (12 ratings)](https://appshunter.io/ios/app/arcadium-space-war/id1553291659/reviews) |
| Number of ratings | **99** | 12 |
| Positive reviews | 82.7% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 21 MB | 99 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [David Peroutka](https://appshunter.io/developer/317379085) | [Luciano Bercini](https://appshunter.io/developer/1553291661) |

## What reviewers say

### Radiant

[App page](https://appshunter.io/ios/app/radiant/id335989815)

Engage in an intense arcade-style space shooter, battling alien hordes across over 100 levels. Upgrade your ship with powerful weapons and power-ups to defeat giant bosses and save your homeworld.

**Highlights:** 100+ Levels, 10+ Boss-Fights, Upgradeable Weapons, Special Power-Ups, Difficulty Options, Online Leaderboards

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Smooth gameplay
- 👍 Retro-style graphics
- 💡 Interesting storyline
- 🎨 Vibrant colors
- 🎮 Intuitive controls

**What reviewers complain about**

- 🐛 Crashes and compatibility issues with newer iOS versions
- ⏱️ Slow firing rate and weapon upgrades
- 🔁 Repetitive asteroid levels
- 🎨 Graphics could use more modern updates
- 💤 Gameplay can feel slow at times

**Reported bugs**

- Crashes on iOS 8 and newer
- Compatibility issues with iPhone 6 and newer
- Weapon upgrades not working as expected

**Requested features**

- Add more levels and weapon upgrades
- Implement save/load functionality
- Include difficulty settings and an endless mode
- Add support for external controllers
- Optimize performance for newer devices


### Arcadium

[App page](https://appshunter.io/ios/app/arcadium-space-war/id1553291659)

Engage in intense pixel-art space combat with a variety of customizable spaceships and powerful skills. Battle unique enemies and bosses, collect achievements, and enhance your score with hardcore options. Join a community for feedback and discussion.

**Highlights:** Unique and colorful enemies, Dozens of unique talents, Multiple spaceships with unique stats, Awesome skills for combat, Rewarded achievements, Hardcore options for score boosting

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bits x5000 | $0.99 | one-time |
| Gemstones x500 | $0.99 | one-time |
| Bits x25000 | $2.99 | one-time |
| Exspiravit | $2.99 | one-time |
| Gemstones x2500 | $3.99 | one-time |
| Parvus Corydon | $3.99 | one-time |
| Ad-Free Revival | $3.99 | one-time |
| Aurum Aliena | $4.99 | one-time |
| Gemstones x5000 | $6.99 | one-time |
| Bits x100000 | $7.99 | one-time |
| Super Bundle | $13.99 | one-time |


## Frequently asked questions

### Is Radiant free?

Radiant costs $2.99, with no in-app purchases.

### Is Arcadium free?

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

### Which has better reviews, Radiant or Arcadium?

Radiant is rated higher. Radiant averages 4.9 out of 5 from 99 ratings, while Arcadium averages 4.8 from 12 ratings.

### Do Radiant or Arcadium have ads?

Arcadium shows ads; Radiant does not.

### Which is updated more often, Radiant or Arcadium?

Radiant ships an update every 3 months, and Arcadium every 4 months. Most recently, Radiant was updated on October 19, 2026 and Arcadium on October 6, 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.*