# TuttoNormel vs Heiwit Solar3

The clearest difference is iOS requirement: Heiwit Solar3 at 13.0 against TuttoNormel's 15.1. 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.

## The numbers

| Metric | TuttoNormel | Heiwit Solar3 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Size | 24 MB | 67 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TNE srl](https://appshunter.io/developer/978631087) | [HEIWIT S.P.A.](https://appshunter.io/developer/1842332740) |

## What reviewers say

### TuttoNormel

[App page](https://appshunter.io/ios/app/tuttonormel/id962063832)

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

**In-app purchases:** none


### Heiwit Solar3

[App page](https://appshunter.io/ios/app/heiwit-solar3/id6785371870)

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

**In-app purchases:** none


## Frequently asked questions

### Is TuttoNormel free?

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

### Is Heiwit Solar3 free?

Heiwit Solar3 is free to download, with no in-app purchases.

### Do TuttoNormel or Heiwit Solar3 have ads?

Neither TuttoNormel nor Heiwit Solar3 shows ads.

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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.*