# eSmartLock vs CAST Events

The clearest difference is in-app purchases: CAST Events at none against eSmartLock's 3. CAST Events also leads on update cadence (daily vs monthly). eSmartLock's advantage is iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

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

eSmartLock ships an update monthly, CAST Events daily. The most recent releases landed on November 12, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | eSmartLock | CAST Events |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (161 ratings)](https://appshunter.io/ios/app/esmartlock/id1453141716/reviews)** | — |
| Number of ratings | **161** | — |
| Positive reviews | 31.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 67 MB | 80 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | +4 | 17+ |
| Developer | [Shenzhen Elink Smart Co., Ltd.](https://appshunter.io/developer/1257307745) | [Reginald Masangkay](https://appshunter.io/developer/1596796454) |

## What reviewers say

### eSmartLock

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

Control your smart lock from your phone, eliminating the need for traditional keys. Enjoy secure access and convenient management of your home security. Avoid the hassle of lost keys with this mobile client software.

**Highlights:** Keyless entry, Secure access control, Remote lock management, Fingerprint unlock, Apple Watch integration, Quick setup

**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


### CAST Events

[App page](https://appshunter.io/ios/app/cast-events/id6804091059)

**Features:** iPhone Duo support

**In-app purchases:** none


## Frequently asked questions

### Is eSmartLock free?

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

### Is CAST Events free?

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

### Do eSmartLock or CAST Events have ads?

Neither eSmartLock nor CAST Events shows ads.

### Which is updated more often, eSmartLock or CAST Events?

eSmartLock ships an update monthly, and CAST Events daily. Most recently, eSmartLock was updated on November 12, 2026 and CAST Events on November 13, 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.*