# NaviLU vs Detective Notes

The clearest difference is price: NaviLU at Free against Detective Notes's $0.99. NaviLU also leads on update cadence (every 5 months vs every 22 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

NaviLU is free to download; Detective Notes costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

NaviLU ships an update every 5 months, Detective Notes every 22 months. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | NaviLU | Detective Notes |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Positive reviews | 29.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 22 months |
| Monetization | Free | — |
| Size | 185 MB | 17 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [BASF Digital Solutions GmbH](https://appshunter.io/developer/1482373796) | [eric Tomlinson](https://appshunter.io/developer/1728237263) |

## What reviewers say

### NaviLU

[App page](https://appshunter.io/ios/app/navilu/id1383683700)

Navigate the BASF Ludwigshafen site with ease. This app helps you find your way around and locate specific destinations within the complex. It prioritizes user privacy with clear data protection information.

**Highlights:** Site navigation, Target searching, Location finding, Data protection information

**Features:** macOS Compatibility

**In-app purchases:** none


### Detective Notes

[App page](https://appshunter.io/ios/app/detective-notes/id6476920256)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NaviLU free?

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

### Is Detective Notes free?

Detective Notes costs $0.99, with no in-app purchases.

### Do NaviLU or Detective Notes have ads?

Neither NaviLU nor Detective Notes shows ads.

### Which is updated more often, NaviLU or Detective Notes?

NaviLU ships an update every 5 months, and Detective Notes every 22 months. Most recently, NaviLU was updated on November 2, 2026 and Detective Notes on October 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*