Comparison

IMAporter MobileAccess Key vs LEHMANN Transponder

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

Head to head
About

IMAporter MobileAccess Key

Transform your iPhone into a secure digital key for effortless access to doors using NFC and Bluetooth. This app supports various credentials and integrates with many access control systems, making it ideal for homes and businesses.

Highlights
  • NFC and BLE identification
  • Contactless card support
  • Fast smartphone access
  • Compatible with access systems
  • Easy setup and use
  • Centralized management option
Features
Read full description

Simple mobile access via NFC and Bluetooth Low Energy. The IMAporter MobileAccess Key app turns your iPhone into a secure identification tool, allowing you to open doors easily and conveniently using NFC and BLE technologies. Main Features: • Identification via NFC (iOS 17.4+) and BLE (iOS 9.0+) • Support for contactless cards (RFID) and mobile credentials • Fast and intuitive access via smartphone • Compatible with most access control systems • Easy to set up and use • Suitable for offices, industrial sites, garages, and family homes Smart Access with Central Management This app is part of the IMAporter family – a comprehensive mobile access system combining RFID, NFC, and BLE technologies.
The optional cloud platform IMAporter ID Management allows central management of mobile identifiers and their automatic distribution via SMS, QR code, or email. To use this app, a compatible IMAporter reader or access system is required. More information: www.imaporter.com ------------------------ support@imaporter.com

About

LEHMANN Transponder

Read full description

With the LEHMANN transponder app, LEHMANN RFID locks can be opened and closed with the appropriate authorization. The connection between iPhone and RFID lock is established via NFC or Bluetooth. The app supports the two operating modes "free locker selection" and "fixed assignment" on the locks. Note: The LEHMANN transponder app can only be used on LEHMANN MIFARE and LEGIC RFID locks which are configured using a master card or Lehmann Management Software LMS. Furthermore, locks with a LEGIC master token are not supported.

Screenshots

IMAporter MobileAccess Key4 screens
LEHMANN Transponder3 screens

Verdict

The call

The clearest difference is update cadence: IMAporter MobileAccess Key at every 5 months against LEHMANN Transponder's every 10 months. IMAporter MobileAccess Key also leads on iOS requirement (15.6 vs 18.6). 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

IMAporter MobileAccess Key ships an update every 5 months, LEHMANN Transponder every 10 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

Scorecard2 real differences · 6 level
IMAporter MobileAccess Key versus LEHMANN Transponder: the parameters behind the verdict, then further details
ParameterIMAporter MobileAccess KeyLEHMANN Transponder
PriceFreeFree
Positive reviews0.0% of reviews—
Update frequencyEvery 5 months — betterEvery 10 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.6 — better18.6
Further details — not scored
Size12 MB3 MB
Age rating4+4+
DeveloperInstitut Mikroelektronickych Aplikaci s.r.o.Lehmann Vertriebsges. mbH & Co. KG

In-app purchases

None

IMAporter MobileAccess Key

No in-app purchases

None

LEHMANN Transponder

No in-app purchases

Questions

Is IMAporter MobileAccess Key free?
IMAporter MobileAccess Key is free to download, with no in-app purchases.
Is LEHMANN Transponder free?
LEHMANN Transponder is free to download, with no in-app purchases.
Do IMAporter MobileAccess Key or LEHMANN Transponder have ads?
Neither IMAporter MobileAccess Key nor LEHMANN Transponder shows ads.
Which is updated more often, IMAporter MobileAccess Key or LEHMANN Transponder?
IMAporter MobileAccess Key ships an update every 5 months, and LEHMANN Transponder every 10 months. Most recently, IMAporter MobileAccess Key was updated on November 2, 2026 and LEHMANN Transponder on November 3, 2026.

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