# Celtreos vs OpenTyrian 2000

The clearest difference is rating: Celtreos at 5.0 against OpenTyrian 2000's 4.4. Celtreos also leads on review sentiment (100% vs 82%). OpenTyrian 2000's advantage is price ($0.99 vs $4.99) and ratings volume (8 vs 1). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

Celtreos costs $4.99 and OpenTyrian 2000 $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Celtreos holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: OpenTyrian 2000 has 8 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of Celtreos's written reviews are positive against 82% of OpenTyrian 2000's.

Celtreos ships an update monthly, OpenTyrian 2000 every 3 weeks. The most recent releases landed on September 15, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Celtreos | OpenTyrian 2000 |
| --- | --- | --- |
| Price | $4.99 | **$0.99** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/celtreos/id1328130449/reviews)** | [4.4 (8 ratings)](https://appshunter.io/ios/app/opentyrian-2000/id6759155849/reviews) |
| Number of ratings | 1 | **8** |
| Positive reviews | **100.0% of reviews** | 81.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Paid | Paid |
| Size | 132 MB | 29 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod, Apple TV | iPhone, iPad, iPod, Apple TV |
| Age rating | 9+ | 4+ |
| Developer | [Kevin Grant](https://appshunter.io/developer/1328130448) | [Alvaro Escarcha Esteban](https://appshunter.io/developer/1868081601) |

## What reviewers say

### Celtreos

[App page](https://appshunter.io/ios/app/celtreos/id1328130449)

Experience a classic space shooter with modern features. Engage in challenging levels with randomized elements, a vast arsenal of weapons, and customizable ships. Enjoy a rich soundtrack or play your own music.

**Highlights:** One or two-player modes, 30 unique songs with custom music support, Over 12 randomized stages, Extensive weapon and ship customization, In-game power-ups and power-downs, Adjustable game settings (lives, graphics, speed)

**Features:** Game Controller support

**In-app purchases:** none


### OpenTyrian 2000

[App page](https://appshunter.io/ios/app/opentyrian-2000/id6759155849)

Experience a classic vertical scrolling space shooter with five full episodes, hundreds of weapons, and ship upgrades. Navigate asteroid fields, battle bosses, and uncover a rich storyline. Optimized for mobile with touch controls and controller support.

**Highlights:** Five full episodes, Hundreds of weapons and upgrades, Multiple game modes, Rich storyline, FM synth soundtrack, Controller support, iCloud save sync

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

**In-app purchases:** none


## Frequently asked questions

### Is Celtreos free?

Celtreos costs $4.99, with no in-app purchases.

### Is OpenTyrian 2000 free?

OpenTyrian 2000 costs $0.99, with no in-app purchases.

### Which has better reviews, Celtreos or OpenTyrian 2000?

Celtreos is rated higher. Celtreos averages 5.0 out of 5 from 1 ratings, while OpenTyrian 2000 averages 4.4 from 8 ratings.

### Do Celtreos or OpenTyrian 2000 have ads?

Neither Celtreos nor OpenTyrian 2000 shows ads.

### Which is updated more often, Celtreos or OpenTyrian 2000?

Celtreos ships an update monthly, and OpenTyrian 2000 every 3 weeks. Most recently, Celtreos was updated on September 15, 2026 and OpenTyrian 2000 on September 27, 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.*