# I vs Sirius MX

The clearest difference is update cadence: I at monthly against Sirius MX's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

I ships an update monthly, Sirius MX every 2 months. Both last shipped on October 25, 2026.

## The numbers

| Metric | I | Sirius MX |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Size | 50 MB | 69 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Raz Haim - Currency Services Ltd.](https://appshunter.io/developer/1667245162) | [ProximaX](https://appshunter.io/developer/1415635523) |

## What reviewers say

### I

[App page](https://appshunter.io/ios/app/i-change/id1667245160)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sirius MX

[App page](https://appshunter.io/ios/app/sirius-mx/id6746712224)

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

**In-app purchases:** none


## Frequently asked questions

### Is I free?

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

### Is Sirius MX free?

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

### Do I or Sirius MX have ads?

Neither I nor Sirius MX shows ads.

### Which is updated more often, I or Sirius MX?

I ships an update monthly, and Sirius MX every 2 months. Most recently, I was updated on October 25, 2026 and Sirius MX on October 25, 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.*