# NINA vs i

The clearest difference is rating: i at 5.0 against NINA's 2.2. i also leads on review sentiment (100% vs 68%). NINA's advantage is ratings volume (13 vs 3). On price, update cadence, 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.

i holds the better App Store score, 5.0 against 2.2. Both are backed by a comparable volume of ratings — 13 and 3 respectively. Written reviews point the same way: 68% of NINA's written reviews are positive against 100% of i's.

NINA ships an update every 3 months, i every 4 months. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | NINA | i |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.2 (13 ratings)](https://appshunter.io/ios/app/nina/id949360949/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/i-kfz/id6742321547/reviews)** |
| Number of ratings | **13** | 3 |
| Positive reviews | 67.8% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Free | Free |
| Size | 139 MB | 67 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Bundesamt fuer Bevoelkerungsschutz und Katastrophenhilfe](https://appshunter.io/developer/949360948) | [Kraftfahrt-Bundesamt](https://appshunter.io/developer/1797752881) |

## What reviewers say

### NINA

[App page](https://appshunter.io/ios/app/nina/id949360949)

Receive nationwide alerts for dangers, including weather and flood warnings, with actionable advice. Customize notifications for specific locations or your current position. Access emergency tips and checklists for preparedness.

**Highlights:** Nationwide danger alerts, Weather warnings (DWD), Flood warnings, Customizable location alerts, Current location alerts, Emergency preparedness tips, Actionable recommendations

**Features:** Vision Pro support

**In-app purchases:** none


### i

[App page](https://appshunter.io/ios/app/i-kfz/id6742321547)

Manage your vehicle registration documents digitally and securely. View, update, and share your registration certificate from your device, reducing paperwork and providing easy access to important vehicle data.

**Highlights:** Digital vehicle registration document (DFZ), Add DFZ via eID or QR code, Automatic updates and inspection reminders, Share registration documents securely, View vehicle data offline, Delete DFZ and shared versions

**In-app purchases:** none


## Frequently asked questions

### Is NINA free?

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

### Is i free?

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

### Which has better reviews, NINA or i?

i is rated higher. NINA averages 2.2 out of 5 from 13 ratings, while i averages 5.0 from 3 ratings.

### Do NINA or i have ads?

Neither NINA nor i shows ads.

### Which is updated more often, NINA or i?

NINA ships an update every 3 months, and i every 4 months. Most recently, NINA was updated on November 1, 2026 and i on October 30, 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.*