# Bold Smart Lock vs SinTam

The clearest difference is update cadence: SinTam at every 6 days against Bold Smart Lock's every 3 weeks. Bold Smart Lock's advantage is device support (4 vs 2). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

Bold Smart Lock ships an update every 3 weeks, SinTam every 6 days. The most recent releases landed on October 7, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Bold Smart Lock | SinTam |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (5 ratings)](https://appshunter.io/ios/app/bold-smart-lock/id1445349974/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 54.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Monetization | Paid | — |
| Size | 57 MB | 35 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sesam Solutions BV](https://appshunter.io/developer/1435576127) | [Sriskana Mukuntan Poopalapillai](https://appshunter.io/developer/6780245727) |

## What reviewers say

### Bold Smart Lock

[App page](https://appshunter.io/ios/app/bold-smart-lock/id1445349974)

Transform your smartphone into a digital key for seamless entry and exit. Grant temporary or permanent access to guests, family, or service providers with customizable virtual keys. Enjoy enhanced security and a simplified daily routine.

**Highlights:** Smartphone as a digital key, Automatic door unlocking/locking, Virtual key sharing, Customizable access permissions, High-level security, Easy cylinder replacement

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### SinTam

[App page](https://appshunter.io/ios/app/sintam/id6780245725)

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

**In-app purchases:** none


## Frequently asked questions

### Is Bold Smart Lock free?

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

### Is SinTam free?

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

### Do Bold Smart Lock or SinTam have ads?

Neither Bold Smart Lock nor SinTam shows ads.

### Which is updated more often, Bold Smart Lock or SinTam?

Bold Smart Lock ships an update every 3 weeks, and SinTam every 6 days. Most recently, Bold Smart Lock was updated on October 7, 2026 and SinTam on October 2, 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.*