# iWarmU vs Keep warm

The clearest difference is update cadence: Keep warm at weekly against iWarmU's every 2 months. Keep warm also leads on review sentiment (33% vs 20%). iWarmU's advantage is ratings volume (58 vs 14). On price, rating, 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.

iWarmU holds the better App Store score, 2.1 against 1.9. Both are backed by a comparable volume of ratings — 58 and 14 respectively. Written reviews complicate that: 20% of iWarmU's written reviews are positive against 33% of Keep warm's, so the app with the better star average is not the one people write more warmly about.

iWarmU ships an update every 2 months, Keep warm weekly. The most recent releases landed on September 21, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | iWarmU | Keep warm |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.1 (58 ratings)](https://appshunter.io/ios/app/iwarmu/id1576856224/reviews)** | [1.9 (14 ratings)](https://appshunter.io/ios/app/keep-warm/id6449612773/reviews) |
| Number of ratings | **58** | 14 |
| Positive reviews | 20.2% of reviews | **33.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free | Free |
| Size | 5 MB | 2 MB |
| Requires iOS | 12.1 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Zhongzhi Liancheng Technology Co., Ltd.](https://appshunter.io/developer/1457957513) | [Shenzhen Mijia Investment Co.,Ltd](https://appshunter.io/developer/1570759215) |

## 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

**In-app purchases:** none


### Keep warm

[App page](https://appshunter.io/ios/app/keep-warm/id6449612773)

Control the heating temperature of your smart socks via Bluetooth from your smartphone. This app allows for seamless pairing and temperature adjustment, enhancing your comfort and quality of life.

**Highlights:** Bluetooth pairing, Temperature control, Smart life integration, Improved comfort

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iWarmU free?

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

### Is Keep warm free?

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

### Which has better reviews, iWarmU or Keep warm?

iWarmU is rated higher. iWarmU averages 2.1 out of 5 from 58 ratings, while Keep warm averages 1.9 from 14 ratings.

### Do iWarmU or Keep warm have ads?

Neither iWarmU nor Keep warm shows ads.

### Which is updated more often, iWarmU or Keep warm?

iWarmU ships an update every 2 months, and Keep warm weekly. Most recently, iWarmU was updated on September 21, 2026 and Keep warm on June 1, 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.*