LEHMANN Transponder vs Key Programmer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LEHMANN Transponder
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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.
Key Programmer
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Key Programmer is assistant software of mate, it's convenient for users to query remotes data. It also support account management, users can edit remotes data as they want. This software now do not support generating remotes. Please obey the law when edit the remotes data on the software, individual legal responsibility will be traced by users' log account or address.
Screenshots
Verdict
The clearest difference is update cadence: Key Programmer at every 2 weeks against LEHMANN Transponder's every 10 months. Key Programmer also leads on iOS requirement (15.0 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
LEHMANN Transponder ships an update every 10 months, Key Programmer every 2 weeks. The most recent releases landed on October 4, 2026 and October 8, 2026 respectively.
| Parameter | LEHMANN Transponder | Key Programmer |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 10 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 18.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 88 MB |
| Age rating | 4+ | 4+ |
| Developer | Lehmann Vertriebsges. mbH & Co. KG | Shenzhen Ecartek Technology, Ltd. |
In-app purchases
LEHMANN Transponder
No in-app purchases
Key Programmer
No in-app purchases
Questions
Is LEHMANN Transponder free?
Is Key Programmer free?
Do LEHMANN Transponder or Key Programmer have ads?
Which is updated more often, LEHMANN Transponder or Key Programmer?
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