# Chronorius vs NTT DATA Open Innovation Week

The clearest difference is iOS requirement: NTT DATA Open Innovation Week at 15.0 against Chronorius's 18.0. 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.

## The numbers

| Metric | Chronorius | NTT DATA Open Innovation Week |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | Free | — |
| Size | 8 MB | 30 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Holger Dahn](https://appshunter.io/developer/6792370458) | [NTT DATA](https://appshunter.io/developer/1236266706) |

## What reviewers say

### Chronorius

[App page](https://appshunter.io/ios/app/chronorius/id6792370456)

Explore historical events, births, deaths, and holidays for any given day. Dive deeper with detailed context, timelines, and interactive maps. Test your knowledge with quizzes and organize your favorite historical moments.

**Highlights:** Daily historical events, Detailed event context, Interactive world map, Historical timeline, Knowledge quizzes, Customizable widgets, Offline access

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

**In-app purchases:** none


### NTT DATA Open Innovation Week

[App page](https://appshunter.io/ios/app/ntt-data-open-innovation-week/id6816961920)

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

**In-app purchases:** none


## Frequently asked questions

### Is Chronorius free?

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

### Is NTT DATA Open Innovation Week free?

NTT DATA Open Innovation Week is free to download, with no in-app purchases.

### Do Chronorius or NTT DATA Open Innovation Week have ads?

Neither Chronorius nor NTT DATA Open Innovation Week 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.*