# iWarmU vs Socks upgrade

The clearest difference is update cadence: Socks upgrade at every 4 days against iWarmU's every 6 months. Socks upgrade also leads on iOS requirement (10.0 vs 13.0). 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.

iWarmU ships an update every 6 months, Socks upgrade every 4 days. The most recent releases landed on October 13, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | iWarmU | Socks upgrade |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.1 (72 ratings)](https://appshunter.io/ios/app/iwarmu/id1576856224/reviews)** | — |
| Number of ratings | **72** | — |
| Positive reviews | 20.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 4 MB | 11 MB |
| Requires iOS | 13.0 | **10.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Shenzhen Zhongzhi Liancheng Technology Co., Ltd.](https://appshunter.io/developer/1457957513) | [Shenzhen Geecare Smart Technology Co., Ltd.](https://appshunter.io/developer/972434536) |

## What reviewers say

### iWarmU

[App page](https://appshunter.io/ios/app/iwarmu/id1576856224)

Control your warm clothing and socks with this app. It automatically searches for and connects to your devices, offering precise temperature adjustments and quick warming or timing functions.

**Highlights:** Automatic device search and connection, 3 temperature levels, Stepless temperature control, Quick warming settings, Timing settings

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

**In-app purchases:** none


### Socks upgrade

[App page](https://appshunter.io/ios/app/socks-upgrade/id6471356539)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iWarmU free?

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

### Is Socks upgrade free?

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

### Do iWarmU or Socks upgrade have ads?

Neither iWarmU nor Socks upgrade shows ads.

### Which is updated more often, iWarmU or Socks upgrade?

iWarmU ships an update every 6 months, and Socks upgrade every 4 days. Most recently, iWarmU was updated on October 13, 2026 and Socks upgrade on October 4, 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.*