Comparison

eLockApp vs Kessel NFC

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

Head to head
About

eLockApp

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With the GROTHE eLock app, GROTHE eLock locking cylinders can be opened securely and managed conveniently. Each user can be assigned access authorisations, which are encrypted and transmitted to the locking cylinder via Bluetooth when an opening attempt is made. There they are cross-checked and, if authorisation is granted, the cylinder knob is released for operation. The app is fully functional offline. - Opening the door via smartphone (time-limited and permanently open) - Easy to use app - Live battery display for all Locking cylinder within range Additional features for administrators: - Management of access authorisation of all users - Configuration of door parameters such as e.g. release times - Reading out the event memory of the locking cylinders - Determining the communication key for secure data transmission The APP: Open the door with the eLock app or transponder. Manage access authorisations with the eLock app: simply add or delete users. Manage multiple locking cylinders in one app. View the last 1000 events. Automatic locking of the door after an adjustable time The mechanics: Double knob cylinder with electronic authorisation on one side. Open and lock the door manually from the inside using the rotary knob. Quick to install - simply replace the existing locking cylinder. Increased security at the entrance as the cylinder requires no cabling, cloud or network.

About

Kessel NFC

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KESSEL NFC App for our 400 Volt Basic control unit with integrated NFC Chip. Receive the most important information, such as current operating status, measured values, parameters, and logbook information, at a glance. Logbook information and parameters can be copied to a smartphone with the touch of a button and forwarded as an email. Depending on the product type (lifting stations, grease separators) and access authority, control unit parameters and settings can be adjusted and changed.

Screenshots

eLockApp4 screens
Kessel NFC4 screens

Verdict

The call

eLockApp and Kessel NFC are too close to call on the numbers: across 6 compared parameters β€” price, update cadence, ads and in-app purchases among them β€” neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

eLockApp ships an update every 9 months, Kessel NFC every 7 months. The most recent releases landed on October 12, 2026 and October 15, 2026 respectively.

ScorecardNo meaningful differences
eLockApp versus Kessel NFC: the parameters behind the verdict, then further details
ParametereLockAppKessel NFC
PriceFreeFree
Update frequencyEvery 9 monthsEvery 7 months β€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod β€” betteriPhone, iPod
Requires iOS12.0 β€” better13.4
Further details β€” not scored
Size12 MB26 MB
Age rating4+4+
DeveloperGrothe GmbHKESSEL AG

In-app purchases

None

eLockApp

No in-app purchases

None

Kessel NFC

No in-app purchases

Questions

Is eLockApp free?
eLockApp is free to download, with no in-app purchases.
Is Kessel NFC free?
Kessel NFC is free to download, with no in-app purchases.
Do eLockApp or Kessel NFC have ads?
Neither eLockApp nor Kessel NFC shows ads.
Which is updated more often, eLockApp or Kessel NFC?
eLockApp ships an update every 9 months, and Kessel NFC every 7 months. Most recently, eLockApp was updated on October 12, 2026 and Kessel NFC on October 15, 2026.

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