# Alien vs Treva

The clearest difference is in-app purchases: Alien at none against Treva's 1. Alien also leads on update cadence (fortnightly vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Treva sells 1 one-off in-app purchase. Alien asks for nothing beyond the download.

Alien ships an update fortnightly, Treva every 4 months. The most recent releases landed on September 19, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Alien | Treva |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 4 months |
| Size | 48 MB | 94 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Moamen Rabee](https://appshunter.io/developer/1705689675) | [Brmja Tech](https://appshunter.io/developer/1788880398) |

## What reviewers say

### Alien

[App page](https://appshunter.io/ios/app/alien/id6752848150)

**Features:** macOS Compatibility

**In-app purchases:** none


### Treva

[App page](https://appshunter.io/ios/app/treva/id6753203841)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| اشتراك كورس | $0.99 | one-time |


## Frequently asked questions

### Is Alien free?

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

### Is Treva free?

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

### Do Alien or Treva have ads?

Neither Alien nor Treva shows ads.

### Which is updated more often, Alien or Treva?

Alien ships an update fortnightly, and Treva every 4 months. Most recently, Alien was updated on September 19, 2026 and Treva on September 28, 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.*