# ipTIME Ext vs WELTEM SMART AIR

The clearest difference is update cadence: WELTEM SMART AIR at every 3 weeks against ipTIME Ext's every 4 months. ipTIME Ext's advantage is iOS requirement (11.0 vs 15.1). 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.

ipTIME Ext ships an update every 4 months, WELTEM SMART AIR every 3 weeks. The most recent releases landed on October 22, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ipTIME Ext | WELTEM SMART AIR |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 23.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 41 MB | 120 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [EFM NETWORKS CO., LTD.](https://appshunter.io/developer/422823526) | [WELTEM CO.,LTD](https://appshunter.io/developer/1860795499) |

## What reviewers say

### ipTIME Ext

[App page](https://appshunter.io/ios/app/iptime-ext/id983169366)

This app simplifies the setup of ipTIME Extenders using your iPhone. Ensure your extender has firmware version 9.38 or later for optimal performance. Download the latest firmware from the ipTIME website before using.

**Highlights:** Easy extender setup, iPhone integration, Firmware version check, Step-by-step guidance

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

**In-app purchases:** none


### WELTEM SMART AIR

[App page](https://appshunter.io/ios/app/weltem-smart-air/id6756477425)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ipTIME Ext free?

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

### Is WELTEM SMART AIR free?

WELTEM SMART AIR is free to download, with no in-app purchases.

### Do ipTIME Ext or WELTEM SMART AIR have ads?

Neither ipTIME Ext nor WELTEM SMART AIR shows ads.

### Which is updated more often, ipTIME Ext or WELTEM SMART AIR?

ipTIME Ext ships an update every 4 months, and WELTEM SMART AIR every 3 weeks. Most recently, ipTIME Ext was updated on October 22, 2026 and WELTEM SMART AIR on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*