# USEK Official vs SMILeb

The clearest difference is update cadence: USEK Official at every 4 days against SMILeb's every 6 months. USEK Official also leads on iOS requirement (14.0 vs 16.6). 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.

USEK Official ships an update every 4 days, SMILeb every 6 months. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | USEK Official | SMILeb |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 6 months |
| Size | 24 MB | 50 MB |
| Requires iOS | **14.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Holy Spirit University of Kaslik - USEK](https://appshunter.io/developer/1813560579) | [VOLTAIRE BOU HARB](https://appshunter.io/developer/696528029) |

## What reviewers say

### USEK Official

[App page](https://appshunter.io/ios/app/usek-official/id6741477064)

**In-app purchases:** none


### SMILeb

[App page](https://appshunter.io/ios/app/smileb/id6747520328)

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

**In-app purchases:** none


## Frequently asked questions

### Is USEK Official free?

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

### Is SMILeb free?

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

### Do USEK Official or SMILeb have ads?

Neither USEK Official nor SMILeb shows ads.

### Which is updated more often, USEK Official or SMILeb?

USEK Official ships an update every 4 days, and SMILeb every 6 months. Most recently, USEK Official was updated on October 24, 2026 and SMILeb on October 9, 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.*