# Tapkey vs SmArtLock

The clearest difference is in-app purchases: SmArtLock at none against Tapkey's 10. SmArtLock also leads on iOS requirement (9.0 vs 15.6). Tapkey's advantage is update cadence (every 2 months vs every 7 months). On price, ads and device support there is nothing between them.

Both are free to download. Tapkey sells 10 in-app purchases, starting at $3.99 per month. SmArtLock asks for nothing beyond the download.

Tapkey ships an update every 2 months, SmArtLock every 7 months. The most recent releases landed on September 30, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Tapkey | SmArtLock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.6 (5 ratings)](https://appshunter.io/ios/app/tapkey/id1172177226/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 26.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 7 months |
| Monetization | Subscription | — |
| Size | 86 MB | 76 MB |
| Requires iOS | 15.6 | **9.0** |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tapkey](https://appshunter.io/developer/1017643815) | [宏根 张](https://appshunter.io/developer/1063018520) |

## What reviewers say

### Tapkey

[App page](https://appshunter.io/ios/app/tapkey/id1172177226)

Transform your smartphone into a secure digital key for various access points like doors, garages, and cars. Easily manage and grant access to others, and monitor locking activities with high security standards.

**Highlights:** Smartphone as secure key, Grant and revoke access, Track locking activities, NFC and Bluetooth access, Register locking devices, NFC transponder programming

**Features:** Apple Watch app

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 Smartphone Users | $3.99 | per month |
| 25 Smartphone Users | $7.99 | per month |
| 50 Smartphone Users | $14.99 | per month |
| 100 Smartphone Users | $29.99 | per month |
| 150 Smartphone Users | $44.99 | per month |
| 200 Smartphone Users | $59.99 | per month |
| 250 Smartphone Users | $74.99 | per month |
| 25 Smartphone Users | $96.99 | per year |
| 100 Smartphone Users | $349.99 | per year |
| 250 Smartphone Users | $899.99 | per year |


### SmArtLock

[App page](https://appshunter.io/ios/app/smartlock/id1589907349)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Tapkey free?

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

### Is SmArtLock free?

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

### Do Tapkey or SmArtLock have ads?

Neither Tapkey nor SmArtLock shows ads.

### Which is updated more often, Tapkey or SmArtLock?

Tapkey ships an update every 2 months, and SmArtLock every 7 months. Most recently, Tapkey was updated on September 30, 2026 and SmArtLock on September 10, 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.*