# NIO Zen Smart Lock vs OsteoEasy

The clearest difference is review sentiment: OsteoEasy at 100% against NIO Zen Smart Lock's 29%. OsteoEasy also leads on update cadence (every 2 weeks vs every 2 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

NIO Zen Smart Lock ships an update every 2 months, OsteoEasy every 2 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | NIO Zen Smart Lock | OsteoEasy |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 28.6% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 13 MB | 26 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Evva Italia srl](https://appshunter.io/developer/1561615007) | [D.Lab. s.r.l.](https://appshunter.io/developer/1572826715) |

## What reviewers say

### NIO Zen Smart Lock

[App page](https://appshunter.io/ios/app/nio-zen-smart-lock/id1561615005)

This smart lock system offers automatic locking with high-security modular cylinders. It installs on any door without modifications and can be configured via smartphone or dedicated remote. Access is granted through various methods including biometric and RFID.

**Highlights:** Automatic locking, High-security modular cylinders, Easy installation on any door, Smartphone configuration via Bluetooth, Multiple access methods (RFID, biometric, keypad), Access logging and user management, Long-lasting rechargeable batteries

**Features:** macOS Compatibility

**In-app purchases:** none


### OsteoEasy

[App page](https://appshunter.io/ios/app/osteoeasy/id1579389720)

Manage patient data, generate electronic invoices, and store medical documents. Customize treatment plans, anamnesis, and clinical tests. Offers electronic signatures, contact synchronization, and personalized email/SMS communication.

**Highlights:** Electronic invoicing and SDI submission, Patient document and photo storage, Customizable treatment and anamnesis forms, Electronic signature capabilities, Google contact and calendar sync, Personalized email and SMS communication, Online appointment booking integration

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is NIO Zen Smart Lock free?

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

### Is OsteoEasy free?

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

### Do NIO Zen Smart Lock or OsteoEasy have ads?

Neither NIO Zen Smart Lock nor OsteoEasy shows ads.

### Which is updated more often, NIO Zen Smart Lock or OsteoEasy?

NIO Zen Smart Lock ships an update every 2 months, and OsteoEasy every 2 weeks. Most recently, NIO Zen Smart Lock was updated on November 3, 2026 and OsteoEasy on November 3, 2026.

---

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