# Calto vs IdeaVault

The clearest difference is device support: Calto at 3 against IdeaVault's 1. Calto also leads on iOS requirement (15.6 vs 18.5). 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.

## The numbers

| Metric | Calto | IdeaVault |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | — |
| Size | 30 MB | 1 MB |
| Requires iOS | **15.6** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [JONGWOO PARK](https://appshunter.io/developer/1873952653) | [Vsega Mega d.o.o](https://appshunter.io/developer/1843970882) |

## What reviewers say

### Calto

[App page](https://appshunter.io/ios/app/calto-note-calculator/id6758614596)

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

**In-app purchases:** none


### IdeaVault

[App page](https://appshunter.io/ios/app/ideavault-future-ideas/id6766651532)

**In-app purchases:** none


## Frequently asked questions

### Is Calto free?

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

### Is IdeaVault free?

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

### Do Calto or IdeaVault have ads?

Neither Calto nor IdeaVault 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.*