# Cactus vs Nuki Smart Lock

The clearest difference is review sentiment: Nuki Smart Lock at 90% against Cactus'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 July 22, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Cactus | Nuki Smart Lock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (510 ratings)](https://appshunter.io/ios/app/nuki-smart-lock/id1044998081/reviews)** |
| Number of ratings | — | **510** |
| Positive reviews | 0.0% of reviews | **90.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | Free |
| Size | 35 MB | 323 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPod, Apple Watch** |
| Age rating | 12+ | 4+ |
| Developer | [Cactus s.a.](https://appshunter.io/developer/449873320) | [Nuki Home Solutions GmbH](https://appshunter.io/developer/966180578) |

## What reviewers say

### Cactus

[App page](https://appshunter.io/ios/app/cactus/id449873317)

Access store hours, find nearby locations, and manage your shopping lists. Check your loyalty card balance and prepare for your next visit with ease.

**Highlights:** Store hours, Store locator, Shopping list creation, Loyalty card balance, QR code scanning

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Cactus free?

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

### Is Nuki Smart Lock free?

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

### Do Cactus or Nuki Smart Lock have ads?

Neither Cactus nor Nuki Smart Lock shows ads.

### Which is updated more often, Cactus or Nuki Smart Lock?

Cactus ships an update every 3 weeks, and Nuki Smart Lock every 3 weeks. Most recently, Cactus was updated on July 22, 2026 and Nuki Smart Lock on September 24, 2026.

---

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