# Caleffi Code vs Tancredi Solar

The clearest difference is update cadence: Caleffi Code at every 3 months against Tancredi Solar's every 21 months. Caleffi Code also leads on iOS requirement (13.0 vs 18.2). 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, Tancredi Solar every 21 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Caleffi Code | Tancredi Solar |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 23.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 21 months |
| Monetization | Free | — |
| Size | 195 MB | 79 MB |
| Requires iOS | **13.0** | 18.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Caleffi S.p.A](https://appshunter.io/developer/920722440) | [Costruzioni Elettroniche Telesine Srl](https://appshunter.io/developer/1743921492) |

## 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


### Tancredi Solar

[App page](https://appshunter.io/ios/app/tancredi-solar/id6504983988)

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

**In-app purchases:** none


## Frequently asked questions

### Is Caleffi Code free?

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

### Is Tancredi Solar free?

Tancredi Solar is free to download, with no in-app purchases.

### Do Caleffi Code or Tancredi Solar have ads?

Neither Caleffi Code nor Tancredi Solar shows ads.

### Which is updated more often, Caleffi Code or Tancredi Solar?

Caleffi Code ships an update every 3 months, and Tancredi Solar every 21 months. Most recently, Caleffi Code was updated on November 3, 2026 and Tancredi Solar on November 4, 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.*