# K vs BlockCerts SmarterFiles

The clearest difference is in-app purchases: K at none against BlockCerts SmarterFiles's 15. BlockCerts SmarterFiles's advantage is update cadence (monthly vs every 2 months) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. BlockCerts SmarterFiles sells 15 one-off in-app purchases. K asks for nothing beyond the download.

K ships an update every 2 months, BlockCerts SmarterFiles monthly. The most recent releases landed on November 3, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | K | BlockCerts SmarterFiles |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (5 ratings)](https://appshunter.io/ios/app/k-app/id1472380768/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 14.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | — |
| Size | 74 MB | 178 MB |
| Requires iOS | 18.6 | **14.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [FDI Matelec](https://appshunter.io/developer/1173507412) | [BlockCerts](https://appshunter.io/developer/1478391176) |

## What reviewers say

### K

[App page](https://appshunter.io/ios/app/k-app/id1472380768)

This application provides a secure and convenient way to access your building using your smartphone. It offers hands-free entry and allows you to manage multiple access credentials for residents, visitors, or staff.

**Highlights:** Bluetooth access control, Hands-free entry, Manage visitor credentials, View door permissions, Long-range access mode

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

**In-app purchases:** none


### BlockCerts SmarterFiles

[App page](https://appshunter.io/ios/app/blockcerts-smarterfiles/id1486347754)

**Features:** macOS Compatibility

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy 10 Black BCERTs Credits | $1.99 | one-time |
| Buy 20 Black BCERTs Credits | $3.79 | one-time |
| Buy 30 Black BCERTs Credits | $5.69 | one-time |
| Buy 50 Black BCERTs Credits | $9.49 | one-time |
| Full App Access | $9.99 | one-time |
| 1 BCERT Credit | $10.00 | one-time |
| Buy 75 Black BCERTs Credits | $14.49 | one-time |
| Buy 100 Black BCERTs Credits | $19.00 | one-time |
| 2 BCERTs Credits | $20.00 | one-time |
| Buy 125 Black BCERTs Credits | $23.90 | one-time |
| Buy 150 Black BCERTs Credits | $28.49 | one-time |
| 3 BCERTs Credits | $30.00 | one-time |
| Buy 200 Black BCERTs Credits | $38.00 | one-time |
| 10 BCERTs Credits | $100.00 | one-time |
| 5 BCERTs Credits | $100.00 | one-time |


## Frequently asked questions

### Is K free?

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

### Is BlockCerts SmarterFiles free?

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

### Do K or BlockCerts SmarterFiles have ads?

Neither K nor BlockCerts SmarterFiles shows ads.

### Which is updated more often, K or BlockCerts SmarterFiles?

K ships an update every 2 months, and BlockCerts SmarterFiles monthly. Most recently, K was updated on November 3, 2026 and BlockCerts SmarterFiles on October 29, 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.*