Comparison

Clex Key vs DigiEnergie

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

Head to head
About

Clex Key

This app allows you to open and close electronic locking units using your smartphone via Bluetooth Low Energy. It ensures high security through a two-part invitation confirmation process. The updated version offers more efficient communication, stable performance, and an improved user interface.

Highlights
  • Unlock doors via Bluetooth
  • Receive mobile keys
  • Efficient communication with locking units
  • Improved user guidance
  • High security standards
  • Execute block requests
Features
Read full description

Welcome to the new Clex Key App 2! Uhlmann & Zacher presents the Clex Key App, which has been developed from scratch. More efficient communication to the locking units, more stable overall behavior and easy-to-use UI as well as better user guidance for invitation / authorization by the administrator characterize the new Clex Key App. With the Clex Key App, the electronic locking units of Uhlmann & Zacher can be opened and closed using the smartphone. In the process, the smartphone communicates with the locking units via Bluetooth® Low Energy. High security standards To ensure the necessary security, you will receive an invitation to set up your Clex Key app from the operator of the locking system by e-mail and also a short message on your phone. Only after confirming both parts of the invitation, your key can be used to open the locking units using your smartphone Functions: - Receive mobile keys and unlock doors via Bluetooth® - Execute block requests for the administrator

About

DigiEnergie

Features
Read full description

DigiEnergie allows for data digitization of energy provider. The main part of this app has to do with shorting the delay of sending data to the provider, to procceed the data faster. One of the main feature of this app is the monitoring of registred cases.

Screenshots

Clex Key4 screens
DigiEnergie4 screens

Verdict

The call

The clearest difference is update cadence: DigiEnergie at every 3 weeks against Clex Key's every 2 months. On price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Clex Key ships an update every 2 months, DigiEnergie every 3 weeks. The most recent releases landed on November 3, 2026 and October 27, 2026 respectively.

Scorecard1 real difference · 7 level
Clex Key versus DigiEnergie: the parameters behind the verdict, then further details
ParameterClex KeyDigiEnergie
PriceFreeFree
Positive reviews50.0% of reviews—
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.015.1 — better
Further details — not scored
Size18 MB28 MB
Age rating4+4+
DeveloperUhlmann & Zacher GmbHiceBaum GmbH

In-app purchases

None

Clex Key

No in-app purchases

None

DigiEnergie

No in-app purchases

Questions

Is Clex Key free?
Clex Key is free to download, with no in-app purchases.
Is DigiEnergie free?
DigiEnergie is free to download, with no in-app purchases.
Do Clex Key or DigiEnergie have ads?
Neither Clex Key nor DigiEnergie shows ads.
Which is updated more often, Clex Key or DigiEnergie?
Clex Key ships an update every 2 months, and DigiEnergie every 3 weeks. Most recently, Clex Key was updated on November 3, 2026 and DigiEnergie on October 27, 2026.

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