# Caleffi Code vs SCHMIDT® Sensor App

The clearest difference is update cadence: SCHMIDT® Sensor App at every 3 weeks against Caleffi Code's every 3 months. Caleffi Code's advantage is iOS requirement (13.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Caleffi Code ships an update every 3 months, SCHMIDT® Sensor App every 3 weeks. Both last shipped on September 24, 2026.

## The numbers

| Metric | Caleffi Code | SCHMIDT® Sensor App |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 23.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 195 MB | 27 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Caleffi S.p.A](https://appshunter.io/developer/920722440) | [Hahn-Schickard-Gesellschaft für angewandte Forschung e.V.](https://appshunter.io/developer/1686895358) |

## What reviewers say

### Caleffi Code

[App page](https://appshunter.io/ios/app/caleffi-code/id1510312307)

Control your home's heating system remotely to optimize energy consumption and maintain comfort. Program temperatures room by room, adjust settings on the fly, and utilize special functions for events or absences.

**Highlights:** Remote temperature management, Room-by-room programming, Energy consumption optimization, Real-time monitoring, Customizable heating schedules, Boost and Eco functions

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### SCHMIDT® Sensor App

[App page](https://appshunter.io/ios/app/schmidt-sensor-app/id6751941102)

**In-app purchases:** none


## Frequently asked questions

### Is Caleffi Code free?

Caleffi Code is free to download, with no in-app purchases.

### Is SCHMIDT® Sensor App free?

SCHMIDT® Sensor App is free to download, with no in-app purchases.

### Do Caleffi Code or SCHMIDT® Sensor App have ads?

Neither Caleffi Code nor SCHMIDT® Sensor App shows ads.

### Which is updated more often, Caleffi Code or SCHMIDT® Sensor App?

Caleffi Code ships an update every 3 months, and SCHMIDT® Sensor App every 3 weeks. Most recently, Caleffi Code was updated on September 24, 2026 and SCHMIDT® Sensor App on September 24, 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.*