# eSmartLock vs ZRun

The clearest difference is rating: ZRun at 3.0 against eSmartLock's 2.3. ZRun also leads on in-app purchases (none vs 3) and update cadence (every 9 days vs every 2 months). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. eSmartLock sells 3 one-off in-app purchases. ZRun asks for nothing beyond the download.

ZRun holds the better App Store score, 3.0 against 2.3. Both are backed by a comparable volume of ratings — 159 and 381 respectively. Written reviews point the same way: 32% of eSmartLock's written reviews are positive against 35% of ZRun's.

eSmartLock ships an update every 2 months, ZRun every 9 days. The most recent releases landed on October 23, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | eSmartLock | ZRun |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (159 ratings)](https://appshunter.io/ios/app/esmartlock/id1453141716/reviews) | **[3.0 (381 ratings)](https://appshunter.io/ios/app/zrun/id6739612986/reviews)** |
| Number of ratings | 159 | **381** |
| Positive reviews | 31.8% of reviews | **34.9% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 9 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 66 MB | 232 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Elink Smart Co., Ltd.](https://appshunter.io/developer/1257307745) | [深圳子俊科技有限公司](https://appshunter.io/developer/1782234380) |

## What reviewers say

### eSmartLock

[App page](https://appshunter.io/ios/app/esmartlock/id1453141716)

Control your smart locks remotely and eliminate the need for traditional keys. This app offers a convenient way to manage access and avoid the hassle of lost keys.

**Highlights:** Smart lock mobile client, Keyless entry, Remote lock control, Eliminate traditional keys, Avoid lost key hassle

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cloud Storage 30-day (7) | $1.99 | one-time |
| Cloud Storage 180-day (7) | $6.99 | one-time |
| Cloud Storage 360-day (7) | $9.99 | one-time |

**What reviewers like**

- 👍 Fingerprint unlock works reliably
- 🔒 Secure access control
- ⚡ Quick setup once working
- 📱 Apple Watch integration available
- 🔋 Long battery life

**What reviewers complain about**

- 🐛 Registration process extremely problematic
- 🐛 Bluetooth connectivity issues and frequent disconnections
- 📵 App crashes and won't load
- 🔐 Mandatory account registration required
- ❌ Poor user experience and confusing navigation

**Reported bugs**

- Cannot complete registration - password validation fails
- App won't accept valid passwords meeting stated requirements
- Bluetooth disconnects within seconds of connection
- Lock icon displays incorrect state (always shows unlocked)
- Fingerprint reader fails to save or update fingerprints

**Requested features**

- Apple Watch standalone app without phone requirement
- Widget integration for quick access
- Apple Home integration
- Single-button unlock without opening app
- Account password reset functionality


### ZRun

[App page](https://appshunter.io/ios/app/zrun/id6739612986)

This app syncs with a smartwatch to display your health data, including steps, distance, and calories burned. It also tracks sleep quality and provides notifications for calls and messages. The application integrates with Apple Health for comprehensive health management.

**Highlights:** Step, distance, and calorie tracking, Sleep quality monitoring, Call and message notifications, Apple Health integration, Syncs with smartwatch

**In-app purchases:** none


## Frequently asked questions

### Is eSmartLock free?

eSmartLock is free to download, with in-app purchases available.

### Is ZRun free?

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

### Which has better reviews, eSmartLock or ZRun?

ZRun is rated higher. eSmartLock averages 2.3 out of 5 from 159 ratings, while ZRun averages 3.0 from 381 ratings.

### Do eSmartLock or ZRun have ads?

Neither eSmartLock nor ZRun shows ads.

### Which is updated more often, eSmartLock or ZRun?

eSmartLock ships an update every 2 months, and ZRun every 9 days. Most recently, eSmartLock was updated on October 23, 2026 and ZRun on October 18, 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.*