# Nuki Smart Lock vs BWT water+more

The clearest difference is review sentiment: Nuki Smart Lock at 90% against BWT water+more's 0%. 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.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Nuki Smart Lock | BWT water+more |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (516 ratings)](https://appshunter.io/ios/app/nuki-smart-lock/id1044998081/reviews)** | — |
| Number of ratings | **516** | — |
| Positive reviews | **90.2% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | Free |
| Size | 298 MB | 106 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nuki Home Solutions GmbH](https://appshunter.io/developer/966180578) | [BWT Aktiengesellschaft](https://appshunter.io/developer/988401841) |

## What reviewers say

### Nuki Smart Lock

[App page](https://appshunter.io/ios/app/nuki-smart-lock/id1044998081)

Transform your smartphone into a secure digital key for your home. Grant and manage access for family and friends, and monitor who enters and when. Enjoy convenient features like automatic unlocking and locking, with easy DIY installation and smart home integration.

**Highlights:** Turn phone into a key, Share access permissions, Activity log, Auto Unlock/Lock, Night Mode, Smart Home integration, DIY installation

**Features:** Apple Watch app

**In-app purchases:** none

**What reviewers like**

- 🚀 Easy to use
- 🔒 Secure
- 👍 Convenient features
- 🔑 Works with existing locks
- ⚙️ Customizable settings

**What reviewers complain about**

- 🐛 Occasional connectivity issues
- 🔋 Battery life concerns
- 🕰️ Slow response times
- 🤔 Confusing UI/UX

**Reported bugs**

- Unreliable geofencing
- Inconsistent unlock/lock functionality
- Buggy app updates

**Requested features**

- Improved battery status monitoring
- Customizable auto-lock/unlock timers
- Stronger HomeKit/Alexa integration
- Ability to create/share access codes


### BWT water+more

[App page](https://appshunter.io/ios/app/bwt-water-plus-more/id1502273668)

Monitor BWT water+more products remotely. Input local water hardness, usage, and application to find suitable filters, optimal sizes, and replacement dates. Offers practical advice on water optimization and direct contact with BWT support.

**Highlights:** Remote product monitoring, Local water hardness input, Filter suitability display, Optimal filter sizing, Replacement date tracking, Water optimization advice, Direct contact with support

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

**In-app purchases:** none


## Frequently asked questions

### Is Nuki Smart Lock free?

Nuki Smart Lock is free to download, with no in-app purchases.

### Is BWT water+more free?

BWT water+more is free to download, with no in-app purchases.

### Do Nuki Smart Lock or BWT water+more have ads?

Neither Nuki Smart Lock nor BWT water+more shows ads.

### Which is updated more often, Nuki Smart Lock or BWT water+more?

Nuki Smart Lock ships an update every 3 weeks, and BWT water+more every 3 weeks. Most recently, Nuki Smart Lock was updated on October 29, 2026 and BWT water+more on October 24, 2026.

---

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