# Fenix Mobi vs cAIerra

The clearest difference is update cadence: cAIerra at every 4 days against Fenix Mobi's fortnightly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Fenix Mobi sells 4 one-off in-app purchases and cAIerra sells 1 in-app purchase, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Fenix Mobi ships an update fortnightly, cAIerra every 4 days. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Fenix Mobi | cAIerra |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 4 days** |
| Size | 44 MB | 61 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [GAREGIN MKHITARYAN](https://appshunter.io/developer/1893301924) | [TIGRAN GALSTYAN](https://appshunter.io/developer/6785259349) |

## What reviewers say

### Fenix Mobi

[App page](https://appshunter.io/ios/app/fenix-mobi/id6762192735)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Profession activation — 1 month | $4.99 | one-time |
| Profession activation — 3 month | $9.99 | one-time |
| Profession activation — 9 month | $29.90 | one-time |
| Profession activation — 12 month | $34.95 | one-time |


### cAIerra

[App page](https://appshunter.io/ios/app/caierra/id6790966640)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| cAIerra Monthly | $9.99 | per month |


## Frequently asked questions

### Is Fenix Mobi free?

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

### Is cAIerra free?

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

### Do Fenix Mobi or cAIerra have ads?

Neither Fenix Mobi nor cAIerra shows ads.

### Which is updated more often, Fenix Mobi or cAIerra?

Fenix Mobi ships an update fortnightly, and cAIerra every 4 days. Most recently, Fenix Mobi was updated on October 25, 2026 and cAIerra on October 31, 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.*