Comparison

Thermo ICE vs ContactSafe App

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

Head to head
About

Thermo ICE

Control your heating and cooling system remotely with this app. Monitor current temperatures, adjust settings, and create custom schedules or let the app learn your habits for automatic programming. Connects via cloud services for easy management of one or more thermostats.

Highlights
  • Remote thermostat control
  • View current temperature and setpoint
  • Adjust HVAC modes (comfort, economy, off)
  • Daily scheduled temperature programming
  • Self-learning automatic programming
  • Cloud-based connection
  • Demo mode for testing
Read full description

The APP allows to control and program THERMO ICE WiFi from iOS mobile devices. With THERMO ICE APP you can manage, in a easy way, your heating/cooling system from your mobile device: you need a Gewiss THERMO ICE WiFi thermostat on your plant. You can see the current room measured temperature and temperature set point, the HVAC mode (comfort, pre-comfort, economy, off) and a feedback if your heating/cooling system is working or not. You can modify the current and programmed setpoint or the HVAC mode wherever you are. With the APP you can program daily scheduled temperature profile in order to plan the desired temperature at every time of the day or activate the self learning function that, after learning your habits, generates a program in an automatic way. The connection to the THERMO ICE WiFi is made easy and implemented through a cloud server. Cloud services are free and do not require a subscription fee. Every user can control one or more thermostats that are associated to his account. A DEMO mode is available to test the APP also if you haven’t still purchased a THERMO ICE WiFi.

About

ContactSafe App

Read full description

ContactSafe is a private address book of its own. It sits beside your phone's contacts rather than inside them, and everything you add stays on your device. WHAT YOU CAN ATTACH TO A CONTACT β€’ Notes β€” write them, print them, or share them straight from the app β€’ Files β€” photos, videos, audio, PDFs, scanned documents, anything β€’ Folders β€” arrange a person's files, and give a folder its own cover image β€’ Websites β€” save a link and reopen it any time β€’ Locations β€” several named addresses per person (Home, Office, Summer house), each shown on a map β€’ Projects β€” visits, calls and deadlines, with the people involved and the place pinned PROJECTS Give a project a start and an end, add the people involved, pin the addresses you collected from Maps, and keep its own notes and files with it. A reminder arrives an hour before it begins. Finished projects are archived rather than deleted. PRIVATE BY DEFAULT β€’ No account, no cloud, no sync β€” there is nothing to sign up for β€’ Nothing you add here appears in your phone's contacts app, and nothing is synced anywhere β€’ No analytics and no third-party trackers β€’ Works fully offline. Only the map previews and address lookup use the network LOCKED β€’ Passcode and Face ID / Touch ID, with auto-lock after a delay you choose FIND ANYTHING β€’ One search across contacts, files, notes and projects at once β€’ Phone numbers are matched by their digits, so it finds the number however you type it β€’ Projects can be found by their address or description, not only by name BRINGING YOUR DATA IN β€’ Read people in from your phone's address book β€” nothing is written back β€’ Move everything across from the previous ContactSafe app, on the device, files included YOURS TO KEEP β€’ Back up everything β€” contacts, files, notes and projects β€” as a single file you keep yourself β€’ Restore it on any iPhone β€’ Export any contact as a vCard FIFTEEN LANGUAGES English, German, Spanish, French, Italian, Dutch, Polish, Czech, Greek, Russian, Ukrainian, Croatian, Serbian, Swedish and Mongolian. Made in Germany by Heinrich Leifeld GmbH.

Screenshots

Thermo ICE3 screens
ContactSafe App4 screens

Verdict

The call

The clearest difference is update cadence: ContactSafe App at every 2 days against Thermo ICE's every 13 months. Thermo ICE's advantage is iOS requirement (8.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

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

UpkeepUpdate frequency

Thermo ICE ships an update every 13 months, ContactSafe App every 2 days. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

Scorecard2 real differences Β· 6 level
Thermo ICE versus ContactSafe App: the parameters behind the verdict, then further details
ParameterThermo ICEContactSafe App
PriceFreeFree
Positive reviews66.7% of reviewsβ€”
Update frequencyEvery 13 monthsEvery 2 days β€” better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeβ€”
DevicesiPhone, iPad, iPod, Apple Watch β€” betteriPhone, iPad, iPod
Requires iOS8.0 β€” better15.0
Further details β€” not scored
Size17 MB66 MB
Age rating4+4+
DeveloperGewiss S.p.A.Heiner Leifeld GmbH

In-app purchases

None

Thermo ICE

No in-app purchases

None

ContactSafe App

No in-app purchases

Questions

Is Thermo ICE free?
Thermo ICE is free to download, with no in-app purchases.
Is ContactSafe App free?
ContactSafe App is free to download, with no in-app purchases.
Do Thermo ICE or ContactSafe App have ads?
Neither Thermo ICE nor ContactSafe App shows ads.
Which is updated more often, Thermo ICE or ContactSafe App?
Thermo ICE ships an update every 13 months, and ContactSafe App every 2 days. Most recently, Thermo ICE was updated on October 21, 2026 and ContactSafe App on October 24, 2026.

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