# Sfir vs i

The clearest difference is update cadence: i at every 5 days against Sfir's every 4 months. i also leads on device support (4 vs 2). Sfir's advantage is iOS requirement (12.1 vs 15.0). On price, ads and in-app purchases there is nothing between them.

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

Sfir ships an update every 4 months, i every 5 days. Both last shipped on November 7, 2026.

## The numbers

| Metric | Sfir | i |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 days** |
| Size | 48 MB | 6 MB |
| Requires iOS | **12.1** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 17+ | 17+ |
| Developer | [Khora](https://appshunter.io/developer/1477290115) | [ImpossiblePossible Limited](https://appshunter.io/developer/1330137047) |

## What reviewers say

### Sfir

[App page](https://appshunter.io/ios/app/sfir/id1528856027)

**Features:** macOS Compatibility

**In-app purchases:** none


### i

[App page](https://appshunter.io/ios/app/i-am-at/id6468937898)

**In-app purchases:** none


## Frequently asked questions

### Is Sfir free?

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

### Is i free?

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

### Do Sfir or i have ads?

Neither Sfir nor i shows ads.

### Which is updated more often, Sfir or i?

Sfir ships an update every 4 months, and i every 5 days. Most recently, Sfir was updated on November 7, 2026 and i on November 7, 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.*