Comparison

ADDHEAT vs iWarmU

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Smartphone control
  • Adjust heat settings
  • Multiple device control
  • Ten heat levels
  • Compatible with ADDHEAT technology products
Features
Read full description

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.

About

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.

Highlights
  • Automatic device search and connection
  • 3 temperature levels
  • Stepless temperature control
  • Quick warming settings
  • Timing settings
Features
Read full description

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

ADDHEAT4 screens
iWarmU4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

ADDHEAT ships an update monthly, iWarmU every 6 months. Both last shipped on November 3, 2026.

Scorecard5 real differences · 5 level
ADDHEAT versus iWarmU: the parameters behind the verdict, then further details
ParameterADDHEATiWarmU
PriceFreeFree
Rating3.9 (7 ratings) — better2.1 (73 ratings)
Positive reviews85.7% of reviews — better20.2% of reviews
Number of ratings773 — better
Update frequencyMonthly — betterEvery 6 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS10.0 — better13.0
Further details — not scored
Size19 MB4 MB
Age rating4+4+
DeveloperMATSUM INCShenzhen Zhongzhi Liancheng Technology Co., Ltd.

Customer experience

ADDHEAT

All ratings6 ratings
Positive83.3%
Neutral0.0%
Negative16.7%
Written reviews7 reviews
Positive85.7%
Neutral0.0%
Negative14.3%

iWarmU

All ratings72 ratings
Positive20.8%
Neutral6.9%
Negative72.2%
Written reviews84 reviews
Positive20.2%
Neutral3.6%
Negative76.2%

In-app purchases

None

ADDHEAT

No in-app purchases

None

iWarmU

No in-app purchases

Questions

Is ADDHEAT free?
ADDHEAT is free to download, with no in-app purchases.
Is iWarmU free?
iWarmU is free to download, with no in-app purchases.
Which has better reviews, ADDHEAT or iWarmU?
ADDHEAT is rated higher. ADDHEAT averages 3.9 out of 5 from 7 ratings, while iWarmU averages 2.1 from 73 ratings.
Do ADDHEAT or iWarmU have ads?
Neither ADDHEAT nor iWarmU shows ads.
Which is updated more often, ADDHEAT or iWarmU?
ADDHEAT ships an update monthly, and iWarmU every 6 months. Most recently, ADDHEAT was updated on November 3, 2026 and iWarmU on November 3, 2026.

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