Feet warm vs Warm U
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Feet warm
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APP采用了低功耗BLE蓝牙通讯技术。通过手机连接产品蓝牙BLE，远程控制鞋垫 产品，实现手机控制温度调节，定时关机、按摩及加热产品调节等。解决了传统温控开关没有显示与按键过多，操作复杂等问题。
Warm U
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Warm U is a Bluetooth control app that can control devices through Bluetooth. The app mainly provides heating and timing services. Users can easily control the heating temperature, timing and other functions of insoles to adapt to different environments and needs. This insole is particularly suitable for cold weather or situations that require prolonged standing or walking.
Screenshots
Verdict
The clearest difference is update cadence: Warm U at weekly against Feet warm's every 6 weeks. Feet warm's advantage is iOS requirement (9.0 vs 12.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Feet warm ships an update every 6 weeks, Warm U weekly. The most recent releases landed on October 17, 2026 and October 15, 2026 respectively.
| Parameter | Feet warm | Warm U |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 9.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 5 MB | 19 MB |
| Age rating | 12+ | 17+ |
| Developer | Shenzhen Hongruixin Electronic Co.,Ltd | 海洋 刘 |
In-app purchases
Feet warm
No in-app purchases
Warm U
No in-app purchases
