Blocks App vs LEHMANN Transponder
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Blocks App
This app transforms ordinary lockers into smart, connected tools for receiving, sharing, and storing items. It offers solutions for personal storage, parcel delivery, and asset management in flexible work and living spaces.
- Receive and share items
- Store items securely
- Smart locker transformation
- Parcel delivery solutions
- IT asset management
- Key and document exchange
Read full descriptionHide full description
Blocks brings a revolutionary way to receive, share, and store in just a few clicks. For Blocks, it is not about the lockers – but the brain behind them. Its software-first solution turns ordinary lockers into smart, connected tools that address multiple challenges in today’s flexible work-living environment. From personal storage and parcel delivery to key and document exchange, IT asset management, and beyond.
LEHMANN Transponder
Read full descriptionHide 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
Verdict
The clearest difference is update cadence: Blocks App at every 5 weeks against LEHMANN Transponder's every 10 months. Blocks App 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.
Blocks App ships an update every 5 weeks, LEHMANN Transponder every 10 months. The most recent releases landed on October 25, 2026 and October 4, 2026 respectively.
| Parameter | Blocks App | LEHMANN Transponder |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 5 weeks — better | Every 10 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 37 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Blocks lockers | Lehmann Vertriebsges. mbH & Co. KG |
In-app purchases
Blocks App
No in-app purchases
LEHMANN Transponder
No in-app purchases
Questions
Is Blocks App free?
Is LEHMANN Transponder free?
Do Blocks App or LEHMANN Transponder have ads?
Which is updated more often, Blocks App or LEHMANN Transponder?
Other comparisons















