Comparison

OPENWORLD V1.0 vs Warm U

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

Head to head
About

OPENWORLD V1.0

Features
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"Openworld"- an AR cultural and creative brand of interesting, artistic and interactive, shows the meaning behind cultural and creative products to users through the blessing of AR. This is an educational way, which allows users to have a brand-new understanding of the solar system more intuitively.

About

Warm U

Features
Read full description

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

OPENWORLD V1.03 screens
Warm U3 screens

Verdict

The call

The clearest difference is update cadence: Warm U at weekly against OPENWORLD V1.0's every 9 months. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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

UpkeepUpdate frequency

OPENWORLD V1.0 ships an update every 9 months, Warm U weekly. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.

Scorecard1 real difference ยท 5 level
OPENWORLD V1.0 versus Warm U: the parameters behind the verdict, then further details
ParameterOPENWORLD V1.0Warm U
PriceFreeFree
Update frequencyEvery 9 monthsWeekly โ€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPod
Requires iOS13.012.0 โ€” better
Further details โ€” not scored
Size456 MB19 MB
Age rating17+17+
Developerairspace technology(beijing)Co.Ltdๆตทๆด‹ ๅˆ˜

In-app purchases

None

OPENWORLD V1.0

No in-app purchases

None

Warm U

No in-app purchases

Questions

Is OPENWORLD V1.0 free?
OPENWORLD V1.0 is free to download, with no in-app purchases.
Is Warm U free?
Warm U is free to download, with no in-app purchases.
Do OPENWORLD V1.0 or Warm U have ads?
Neither OPENWORLD V1.0 nor Warm U shows ads.
Which is updated more often, OPENWORLD V1.0 or Warm U?
OPENWORLD V1.0 ships an update every 9 months, and Warm U weekly. Most recently, OPENWORLD V1.0 was updated on November 3, 2026 and Warm U on October 25, 2026.

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