About Us

Prüfengel offers authentic consumer tests in which real users share their experiences with products. Our tests are based on practical applications in everyday life and reflect the opinions of consumers. As we focus on consumer tests, we do not carry out any material, long-term or laboratory tests. The tests are carried out by 1-2 independent consumers over a period of 7-14 days. The exact test conditions can be viewed in the test plan of the respective test report – click here to go directly to the test plan.

Manufacturers provide the tested products free of charge. We charge a one-off test fee for carrying out the tests. In addition, manufacturers pay an annual licence fee for the use of the Prüfengel seal. We also receive a commission for linking to manufacturers’ websites. These remunerations have no influence on our test results or ratings.

We guarantee transparency and a fair evaluation. For a detailed insight into our comprehensive evaluation process, please click here.

Makaka
RFID blocker card

In our test, the RFID blocker card from Makaka on the run made a very good impression. In addition to very good processing and stability, the card also offers an outstandingly low card thickness of just 0.8 mm. This means there should be room for it in any wallet. What’s more, the card’s defence protection has been independently tested and confirmed by several test institutes. Nevertheless, the blocker card cannot guarantee secure protection if it is too close to other credit cards. So if you want to protect a very full wallet, the use of an RFID wallet is much more advisable.

Advantages

✅ Very thin card thickness (0.8 mm)
✅ Good processing & stability
✅ Good protective field performance
✅ DEKRA & EMC tested

Disadvantages

RFID card (can slip)

The first impression

Packaging and certifications

ℹ️ Here we take a closer look at packaging. Sustainability is becoming an increasingly important factor. Of course, adequate protection of the product must also be ensured.

CriterionRemarkScore achieved*
Product protectionCarton is sturdy, product sufficiently protected100 points
Sustainability PackagingUnnecessary packaging waste was avoided, items were packed compactly91 points
Product labellingManufacturer data available, CE compliant100 points
Product certificationsDEKRA & EMC tested100 points
Total98 points
Weighting: 23%
*The maximum score is 100 points
The DEKRA test confirms the functionality of the blocker card.

The RFID and NFC data protection card from Makaka on the run comes in plastic packaging with a black printed cardboard wall. The cardboard is sturdy and the plastic protects the card from moisture and dirt. Instructions on how to use the product can be found on the product packaging. Contact information is provided and the customer is kindly informed that German customer service can be contacted at any time using the contact details provided.
It should be emphasised that the functionality of the card has been tested and confirmed by several institutions. These include the German testing organisation DEKRA and the EMV laboratory. The full test report can be viewed on the brand’s website. We test whether we can also confirm the functionality of the card in our practical part of the test.

The first time in your hand

Product processing and appearance

ℹ️ Before we start the practical test, we take a close look at the product processing. How high quality are the materials used? Is the look and feel satisfactory?

CriterionRemarkScore achieved*
Visual appearanceGood overall, design could be a little simpler90 points
ProcessingVery clean finish100 points
Flexibility & stabilityEasy bending & pressing is no problem100 points
Sustainability of the productCard not made from recycled plastic90 points
Total95 points
Weighting: 22%
*The maximum score is 100 points
Overall, the processing of the card makes a very good impression.

The card is very well made. We could not find any blemishes, scratches or similar in our test article. In our opinion, the design could have been a little simpler and tidier, but that is a matter of taste. During our stability test, we repeatedly bent the card slightly to simulate everyday use. This did not damage the card and no unsightly stretch marks were created. We give it full marks for this. In terms of sustainability, it would have been desirable if recycled plastic had been used to manufacture the card. At least according to our information, this is not the case. We deduct 10 points for this.

This is what our practical test showed

Does the manufacturer keep its advertising promises?

ℹ️ Our practical test is the most relevant and therefore the most important. Here, the product has to undergo a wide range of criteria and tests. We check the functions and product promises of the test article.

CriterionRemarkScore achieved*
Protection if cards are congruentCards could not be read in our test, works perfectly100 points
360 degree protective fieldProtective field works in both directions100 points
Protective field 9cmDoes not apply to more powerful readers70 points
Ultra-thin 0.8mmApplicable100 points
MiscellaneousCard can slip70 points
Total84 points
Weighting: 30%
*The maximum score is 100 points

In our test, the blocker card’s jammer worked perfectlywhen the cards were placed on top of each other in the same position. In other words, the card could no longer be read if the RFID protection was in between. It didn’t matter whether the blocker card was above or below the credit card – the protection works in both directions. We therefore award 100 points for the first two criteria.

The manufacturer also promises a protective field radius of 9 cm. In this respect, it should be noted that this is not the protective field radius that is often stated, but the entire protective field. The protective field radius is therefore only 4.5 cm. However, this is only a maximum specification. Protection cannot be guaranteed with stronger readers. In addition, the card can of course also slip in your wallet in everyday use. Overall, the card still makes a good impression The disadvantages listed here are also present in other data protection cards and the small card thickness is a great advantage, as it fits in any wallet.

Price/performance ratio

and ratings from consumers

ℹ️ Finally, we look at how the product compares to the competition. Can it keep up with the competition in terms of price and quality? Would we generally recommend buying it? We also analyse consumer reviews and check whether the critical and positive reviews are actually justified.

CriterionRemarkScore achieved*
Price / performance ratioPrice ratio absolutely reasonable100 points
Rating cut4.6 out of 5.0 on Amazon80 points
Total90 points
Weighting: 25%
*The maximum score is 100 points

Prices of up to €14 are charged on the Internet for equivalent products. Very inexpensive products are available for as little as €5. The data protection card from Makaka on the run is currently in the middle price segment with a price of €7.65. If you buy the cards in a double pack, you only pay just under €5.60 per card. The price is absolutely reasonable for the quality and scope of services you receive.

On the Amazon platform, consumers have given the product an average rating of 4.6 stars. Some consumers criticise the information on the protective field, which we also discussed in more detail in our practical test. Many customers like the fact that the card takes up little space and is easy to use. In our practical test, we were able to confirm that the card works very well when all the cards are on top of each other or slightly offset from each other. One disadvantage, however, is that an RFID card can slip. So if you have a very large wallet and want to be on the safe side, it’s better to buy an RFID wallet.

Overall result

WeightingScore achieved*
1. packaging & labelling23%98 points
2. product processing & appearance22%95 points
3. in the practical test30%84 points
4. price/performance & consumer reviews25%90 points
Total91 points
*The maximum score is 100 points
RFID blocker card
 of the brand 
Makaka
achieved
91
Points in our test and therefore passed. The test was carried out in the test period
08/22
and is stored in our database under the licence number
220823004
. Further information on our test procedure can be found at www.pruefengel.de/testverfahren.

The practical tests are based on careful observations and do not include long-term or laboratory tests. The test judgements reflect the personal impressions and opinions of the testers who try out the products in everyday use. We would like to emphasise that these evaluations do not claim to be exhaustive and may reflect both subjective and objective impressions. The evaluations are made to the best of our knowledge and belief, without any liability being assumed for the accuracy or completeness of the test results. It is important to note that our tests are not based on legal requirements, medical effects or specific ingredients of the products. We rely on the advertising claims and information provided by the manufacturers, but use of the information is always at your own risk. Our efforts are aimed at ensuring a serious and thorough testing procedure, which has been developed in a long and professional process in close co-operation with our testers.

The practical tests are based on careful observations and do not include long-term or laboratory tests. The test judgements reflect the personal impressions and opinions of the testers who try out the products in everyday use. We would like to emphasise that these evaluations do not claim to be exhaustive and may reflect both subjective and objective impressions. The evaluations are made to the best of our knowledge and belief, without any liability being assumed for the accuracy or completeness of the test results. It is important to note that our tests are not based on legal requirements, medical effects or specific ingredients of the products. We rely on the advertising claims and information provided by the manufacturers, but use of the information is always at your own risk. Our efforts are aimed at ensuring a serious and thorough testing procedure, which has been developed in a long and professional process in close co-operation with our testers.

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Evaluation process

You can find a detailed insight into our evaluation process, which forms the basis for our product ratings, here:

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