# Thermo ICE vs Zenith Lithium

The clearest difference is update cadence: Zenith Lithium at every 3 months against Thermo ICE's every 13 months. Thermo ICE's advantage is device support (4 vs 2) and iOS requirement (8.0 vs 13.0). On price, ads and in-app purchases there is nothing between them.

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

Thermo ICE ships an update every 13 months, Zenith Lithium every 3 months. The most recent releases landed on October 21, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Thermo ICE | Zenith Lithium |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 3 months** |
| Monetization | Free | — |
| Size | 17 MB | 59 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Gewiss S.p.A.](https://appshunter.io/developer/978344889) | [所兵 邱](https://appshunter.io/developer/1519230775) |

## What reviewers say

### Thermo ICE

[App page](https://appshunter.io/ios/app/thermo-ice/id1055293737)

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

**In-app purchases:** none


### Zenith Lithium

[App page](https://appshunter.io/ios/app/zenith-lithium/id6777954157)

**In-app purchases:** none


## Frequently asked questions

### Is Thermo ICE free?

Thermo ICE is free to download, with no in-app purchases.

### Is Zenith Lithium free?

Zenith Lithium is free to download, with no in-app purchases.

### Do Thermo ICE or Zenith Lithium have ads?

Neither Thermo ICE nor Zenith Lithium shows ads.

### Which is updated more often, Thermo ICE or Zenith Lithium?

Thermo ICE ships an update every 13 months, and Zenith Lithium every 3 months. Most recently, Thermo ICE was updated on October 21, 2026 and Zenith Lithium on October 16, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*