# Trigonarium vs Arcadium

The clearest difference is price: Arcadium at Free against Trigonarium's $0.99. Arcadium also leads on ratings volume (119 vs 7). Trigonarium's advantage is in-app purchases (none vs 10) and ads (none vs shown). On rating, review sentiment, update cadence and device support there is nothing between them.

Arcadium is free to download; Trigonarium costs $0.99 up front. Arcadium sells 10 one-off in-app purchases. Trigonarium asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Trigonarium against 4.9 for Arcadium. That said, the two scores are not equally well evidenced: Arcadium has 119 ratings behind it against 7, so its average is the more settled of the two. Written reviews are what separate them: 100% of Trigonarium's written reviews are positive against 95% of Arcadium's.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Trigonarium | Arcadium |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/trigonarium/id973810507/reviews)** | [4.9 (119 ratings)](https://appshunter.io/ios/app/arcadium-space-shooter/id1555937672/reviews) |
| Number of ratings | 7 | **119** |
| Positive reviews | **100.0% of reviews** | 94.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 34 MB | 91 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod, Apple TV** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kimmo Factor Oy](https://appshunter.io/developer/491318781) | [Luciano Bercini](https://appshunter.io/developer/1553291661) |

## What reviewers say

### Trigonarium

[App page](https://appshunter.io/ios/app/trigonarium/id973810507)

Engage in intense twin-stick shooter action across shifting arenas. Battle through waves of enemies and face colossal bosses in multiple campaign modes. Enjoy local co-op and smooth 60fps gameplay with full controller support.

**Highlights:** Original campaign, Ultimate campaign, Challenge modes, Local 2-player co-op, 60fps gameplay, MFi controller support, Universal purchase

**Features:** Vision Pro support

**In-app purchases:** none


### Arcadium

[App page](https://appshunter.io/ios/app/arcadium-space-shooter/id1555937672)

Command a fighter ship to defend Earth from alien invaders in this fast-paced arcade shooter. Blast through waves of enemies, collect power-ups, and permanently upgrade your ship for an infinite fight for survival. Enjoy classic retro shmup action with modern twists and one-finger controls.

**Highlights:** Unique spaceships with special skills, Endless alien waves and boss battles, Permanent ship upgrades and mastery perks, Classic arcade shmup gameplay, One-finger controls, Offline play

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Extra HP | $2.99 | one-time |
| Artemis | $2.99 | one-time |
| Hermes | $2.99 | one-time |
| Ares | $3.99 | one-time |
| Ad-Free Revival | $3.99 | one-time |
| 10000 Gems | $3.99 | one-time |
| Aphrodite | $3.99 | one-time |
| Double gems | $4.99 | one-time |
| Pop-up Ad Removal | $4.99 | one-time |
| 30000 Gems | $8.99 | one-time |

**What reviewers like**

- 👍 Classic arcade experience
- 🤩 Fun and addictive gameplay
- 🚀 Nostalgic retro vibes
- 🎮 Straightforward and fair
- ✨ Many different ships with attributes

**What reviewers complain about**

- ⚠️ Can be unfair at times
- 📉 Lost progress on reinstall
- 🐛 Game crashes after a fixed time
- 🐛 Game stops suddenly
- ❓ Difficulty understanding how to play

**Reported bugs**

- Lost all progress after reinstall
- Game crashes after a fixed length of time
- Game suddenly stops
- Wave jump not working

**Requested features**

- Make it possible to play own music
- Continue updating and advertising the game
- More updates and more money spent
- More spaceships or an endless mode
- Nerf arcade nightmare


## Frequently asked questions

### Is Trigonarium free?

Trigonarium costs $0.99, with no in-app purchases.

### Is Arcadium free?

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

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

Trigonarium is rated higher. Trigonarium averages 5.0 out of 5 from 7 ratings, while Arcadium averages 4.9 from 119 ratings.

### Do Trigonarium or Arcadium have ads?

Arcadium shows ads; Trigonarium does not.

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

Trigonarium ships an update every 3 months, and Arcadium every 3 months. Most recently, Trigonarium was updated on November 1, 2026 and Arcadium on November 3, 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.*