# ISS iGuard vs SmartLockBT

The clearest difference is iOS requirement: SmartLockBT at 9.0 against ISS iGuard's 14.0. 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.

ISS iGuard ships an update every 4 months, SmartLockBT every 2 months. The most recent releases landed on October 13, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | ISS iGuard | SmartLockBT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.7 (3 ratings)](https://appshunter.io/ios/app/smartlockbt/id1044976097/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 95 MB | 17 MB |
| Requires iOS | 14.0 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Infratec Security Systems](https://appshunter.io/developer/1389685856) | [Zhejiang Dahua Vision Technology Co.,Ltd.](https://appshunter.io/developer/1490059642) |

## What reviewers say

### ISS iGuard

[App page](https://appshunter.io/ios/app/iss-iguard/id973087448)

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

**In-app purchases:** none


### SmartLockBT

[App page](https://appshunter.io/ios/app/smartlockbt/id1044976097)

This app functions as a digital key for your smart lock, enabling Bluetooth unlocking. It also allows you to grant or share access codes with friends and family.

**Highlights:** Bluetooth unlock, Digital eKey for smart locks, Share access codes, Grant temporary access

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

**In-app purchases:** none


## Frequently asked questions

### Is ISS iGuard free?

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

### Is SmartLockBT free?

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

### Do ISS iGuard or SmartLockBT have ads?

Neither ISS iGuard nor SmartLockBT shows ads.

### Which is updated more often, ISS iGuard or SmartLockBT?

ISS iGuard ships an update every 4 months, and SmartLockBT every 2 months. Most recently, ISS iGuard was updated on October 13, 2026 and SmartLockBT on September 22, 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.*