Comparison

K vs BlockCerts SmarterFiles

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Bluetooth access control
  • Hands-free entry
  • Manage visitor credentials
  • View door permissions
  • Long-range access mode
Features
Read full description

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.

About

BlockCerts SmarterFiles

Features
Read full description

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

K4 screens
BlockCerts SmarterFiles4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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

Scorecard4 real differences · 6 level
K versus BlockCerts SmarterFiles: the parameters behind the verdict, then further details
ParameterKBlockCerts SmarterFiles
PriceFreeFree
Rating3.6 (5 ratings) — better—
Positive reviews14.3% of reviews—
Number of ratings5 — better—
Update frequencyEvery 2 monthsMonthly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS18.614.0 — better
Further details — not scored
Size74 MB178 MB
Age rating4+4+
DeveloperFDI MatelecBlockCerts

In-app purchases

None

K

No in-app purchases

15 purchases

BlockCerts SmarterFiles

One-time15
  • Buy 10 Black BCERTs Credits$1.99
  • Buy 20 Black BCERTs Credits$3.79
  • Buy 30 Black BCERTs Credits$5.69
Show 12 more
  • 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

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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