Comparison

Blocks App 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

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.

Highlights
  • Receive and share items
  • Store items securely
  • Smart locker transformation
  • Parcel delivery solutions
  • IT asset management
  • Key and document exchange
Features
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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.

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

Blocks App2 screens
LEHMANN Transponder3 screens

Verdict

The call

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

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

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.

Scorecard2 real differences · 8 level
Blocks App versus LEHMANN Transponder: the parameters behind the verdict, then further details
ParameterBlocks AppLEHMANN Transponder
PriceFreeFree
Rating5.0 (3 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings3 — better—
Update frequencyEvery 5 weeks — betterEvery 10 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.0 — better18.6
Further details — not scored
Size37 MB3 MB
Age rating4+4+
DeveloperBlocks lockersLehmann Vertriebsges. mbH & Co. KG

In-app purchases

None

Blocks App

No in-app purchases

None

LEHMANN Transponder

No in-app purchases

Questions

Is Blocks App free?
Blocks App 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 Blocks App or LEHMANN Transponder have ads?
Neither Blocks App nor LEHMANN Transponder shows ads.
Which is updated more often, Blocks App or LEHMANN Transponder?
Blocks App ships an update every 5 weeks, and LEHMANN Transponder every 10 months. Most recently, Blocks App was updated on October 25, 2026 and LEHMANN Transponder on October 4, 2026.

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