# D'AVINCI vs Tancredi Solar

The clearest difference is update cadence: D'AVINCI at monthly against Tancredi Solar's every 21 months. D'AVINCI also leads on iOS requirement (15.0 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.

D'AVINCI ships an update monthly, Tancredi Solar every 21 months. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | D'AVINCI | Tancredi Solar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 21 months |
| Size | 61 MB | 79 MB |
| Requires iOS | **15.0** | 18.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [D'Avinci Security Products Srl](https://appshunter.io/developer/1718259122) | [Costruzioni Elettroniche Telesine Srl](https://appshunter.io/developer/1743921492) |

## What reviewers say

### D'AVINCI

[App page](https://appshunter.io/ios/app/davinci/id6473035706)

**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 D'AVINCI free?

D'AVINCI 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 D'AVINCI or Tancredi Solar have ads?

Neither D'AVINCI nor Tancredi Solar shows ads.

### Which is updated more often, D'AVINCI or Tancredi Solar?

D'AVINCI ships an update monthly, and Tancredi Solar every 21 months. Most recently, D'AVINCI was updated on October 24, 2026 and Tancredi Solar on October 7, 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.*