K vs BlockCerts SmarterFiles
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
K
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.
- Bluetooth access control
- Hands-free entry
- Manage visitor credentials
- View door permissions
- Long-range access mode
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The key app K-APP® is the perfect app to easily access your building. It uses Bluetooth® technology and can be considered as an additional or an alternative way to enter your residential or commercial asset. Get rid of your huge keyrings and download the key app K-APP® which will gather in a unique single app your credentials to enter your premises. The key app K-APP® offers several types of credentials for users whether they are visitors, holiday makers, residents or staff. It has been designed to be user-friendly and gives the opportunities to get a long range and hands-free access mode. In the key app K-APP®, you also have the choice to see all your door permissions in one shot or to only display the permitted doors within the Bluetooth® range of your smartphone. K-APP© works only with the readers from the Pulse range by FDI. Visit our website www.fdimatelec.com for more information.
BlockCerts SmarterFiles
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Smarterfiles is an AI-powered secure digital platform that offers a range of features to enhance client engagement, secure messaging, document management, file upload, data privacy, secure data storage, legal documentation, smart contracts, and track records. Smarterfiles uses AI to power several features, such as smart file management, AI-powered search, automated tasks, and security insights. These features can help users save time and effort, improve their productivity, and protect their data. With Smarterfiles, users can: • Securely store and manage private records and files: Smarterfiles allows users to securely store all their important documents and files within the platform, ensuring that they are easily accessible whenever needed. Smarterfiles also uses AI to intelligently categorize and tag your files, making them easy to find and manage. • Communicate securely with others: Smarterfiles offers a private instant messaging feature that allows users to communicate securely with their contacts, whether it's with their physician, friends, or colleagues. The messaging feature is completely contained within the application, ensuring that conversations remain private and confidential. • Sign contracts digitally: Smarterfiles allows users to easily sign contracts within the platform, eliminating the need for printing, scanning, and sending physical copies. This not only saves time and resources but also ensures the authenticity and security of the contract signing process. • Track notes and payments: Smarterfiles tracks notes and payments made within the platform, providing users with a comprehensive record of their interactions and transactions. This feature promotes transparency and accountability. Benefit from AI-powered features: Smarterfiles uses AI to power many features, such as smart file management, AI-powered search, automated tasks, and security insights. These features can help users save time and effort, improve their productivity, and protect their data
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | K | BlockCerts SmarterFiles |
|---|---|---|
| Price | Free | Free |
| Rating | 3.6 (5 ratings) — better | — |
| Positive reviews | 14.3% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 2 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 18.6 | 14.0 — better |
| Further details — not scored | ||
| Size | 74 MB | 178 MB |
| Age rating | 4+ | 4+ |
| Developer | FDI Matelec | BlockCerts |
In-app purchases
K
No in-app purchases
BlockCerts SmarterFiles
- Buy 10 Black BCERTs Credits$1.99
- Buy 20 Black BCERTs Credits$3.79
- Buy 30 Black BCERTs Credits$5.69
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- Buy 50 Black BCERTs Credits$9.49
- Full App Access$9.99
- 1 BCERT Credit$10.00
- Buy 75 Black BCERTs Credits$14.49
- Buy 100 Black BCERTs Credits$19.00
- 2 BCERTs Credits$20.00
- Buy 125 Black BCERTs Credits$23.90
- Buy 150 Black BCERTs Credits$28.49
- 3 BCERTs Credits$30.00
- Buy 200 Black BCERTs Credits$38.00
- 10 BCERTs Credits$100.00
- 5 BCERTs Credits$100.00








