ADDHEAT vs iWarmU
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ADDHEAT
Control heating products with built-in technology from your smartphone. Adjust heat settings across multiple devices in the same environment with ten levels of modulation. This free application is designed for users of wearable heating modules.
- Smartphone control
- Adjust heat settings
- Multiple device control
- Ten heat levels
- Compatible with ADDHEAT technology products
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ADDHEAT INSIDE. Designed to control heating products featuring built-in ADDHEAT technology. Adjust heat settings from your smartphone using this free app. Users may control multiple heating devices within the same environment. Modulate the heating output with ten (10) levels. The ADDHEAT heating system is integrated into apparels, footwears, seat heaters, far infrared heat therapy products and more. For over a decade, ADDHEAT has been the world’s leading provider of wearable heating modules to outdoor companies.
iWarmU
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.
- Automatic device search and connection
- 3 temperature levels
- Stepless temperature control
- Quick warming settings
- Timing settings
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Warm clothes and socks control APP, automatically search for your warm items and pair and connect. 3 levels and stepless temperature control settings, and provide quick warming/timing settings.
Screenshots
Verdict
The clearest difference is review sentiment: ADDHEAT at 86% against iWarmU's 20%. ADDHEAT also leads on rating (3.9 vs 2.1) and update cadence (monthly vs every 6 months). iWarmU's advantage is ratings volume (73 vs 7). On price, ads, in-app purchases and monetization model 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.
ADDHEAT holds the better App Store score, 3.9 against 2.1. That said, the two scores are not equally well evidenced: iWarmU has 73 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 86% of ADDHEAT's written reviews are positive against 20% of iWarmU's.
ADDHEAT ships an update monthly, iWarmU every 6 months. Both last shipped on November 3, 2026.
| Parameter | ADDHEAT | iWarmU |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (7 ratings) — better | 2.1 (73 ratings) |
| Positive reviews | 85.7% of reviews — better | 20.2% of reviews |
| Number of ratings | 7 | 73 — better |
| Update frequency | Monthly — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 10.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 19 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | MATSUM INC | Shenzhen Zhongzhi Liancheng Technology Co., Ltd. |
Customer experience
ADDHEAT
iWarmU
In-app purchases
ADDHEAT
No in-app purchases
iWarmU
No in-app purchases
