# NRHeatTech vs Socks upgrade

The clearest difference is update cadence: Socks upgrade at every 4 days against NRHeatTech's every 11 months. Socks upgrade also leads on iOS requirement (10.0 vs 12.0). 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.

NRHeatTech ships an update every 11 months, Socks upgrade every 4 days. The most recent releases landed on June 11, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | NRHeatTech | Socks upgrade |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (6 ratings)](https://appshunter.io/ios/app/nrheattech/id6451778873/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 27 MB | 11 MB |
| Requires iOS | 12.0 | **10.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [利前 李](https://appshunter.io/developer/1698623411) | [Shenzhen Geecare Smart Technology Co., Ltd.](https://appshunter.io/developer/972434536) |

## What reviewers say

### NRHeatTech

[App page](https://appshunter.io/ios/app/nrheattech/id6451778873)

Control your smart heating clothing directly from your device. Adjust temperatures for different zones and experience a warmer, more comfortable, and stylish way to stay heated.

**Highlights:** Adjust heating clothing temperature, Control specific hot zones, Smart clothing technology integration, Modern heating alternative, Stylish and comfortable experience

**Features:** macOS Compatibility

**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 NRHeatTech free?

NRHeatTech 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 NRHeatTech or Socks upgrade have ads?

Neither NRHeatTech nor Socks upgrade shows ads.

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

NRHeatTech ships an update every 11 months, and Socks upgrade every 4 days. Most recently, NRHeatTech was updated on June 11, 2026 and Socks upgrade on September 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.*