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.

Quality testing as a key factor for success on Amazon

In today’s world, where the e-commerce market, especially on platforms such as Amazon, is constantly growing and developing, quality assurance is crucial to the success of any online retailer. Quality inspection services play a central role in this by ensuring that products meet the high expectations of customers. In this article, we will look in detail at the importance of quality review services for Amazon sellers and analyse how these services can help increase trust, visibility and ultimately sales.

Building trust through quality certification

Trust is of paramount importance in the world of online retail. Quality testing services such as Prüfengel, a renowned German institute for product testing, offer objective confirmation of product quality. By utilising such services, Amazon sellers not only receive independent confirmation of quality, but also increase consumer confidence in their products. Test seals awarded by these services symbolise reliability and quality, which is crucial to gaining and maintaining customer trust.

Differentiation in a highly competitive market

Amazon is a marketplace with intense competition. Products that are certified by quality testing services stand out clearly from competing products. A test seal awarded by a recognised institution can have a significant influence on customers’ purchasing decisions. It signals that a product has undergone extensive testing and delivers the promised quality.

Improving product placement and visibility on Amazon

Quality inspection services help to improve the visibility of products. Products that are labelled with quality certificates are considered more trustworthy by Amazon customers and often receive a higher ranking in the search results. This leads to improved visibility on the platform and can significantly increase sales figures.

Reduction in returns and customer complaints

By ensuring product quality through quality inspection services, Amazon sellers can minimise the risk of returns and customer complaints. Products that meet the high standards of quality inspection have fewer defects, resulting in higher customer satisfaction and fewer returns.

Valuable feedback for product improvements

Quality inspection services not only provide a snapshot of product quality, but also valuable feedback that can be used for future product improvements. This feedback enables sellers to continuously develop their products and adapt them to the needs of their customers.

Long-term benefits of quality inspection

The long-term benefits of working with quality inspection services are manifold. In addition to the immediate increase in customer confidence, they contribute to the creation of a strong brand, increase customer satisfaction and customer loyalty and lead to a sustainable increase in business success.

Conclusion: Quality inspection services as an indispensable resource for Amazon sellers

In conclusion, quality review services are an indispensable resource for any Amazon seller. Not only do they offer the opportunity to gain customer trust and increase product visibility, but they also contribute to building a strong brand and increasing sales in the long term. Investing in such services is an investment in the future of your own business. It enables sellers to respond proactively to customer needs and expectations and ensures that products not only meet but exceed current market standards.

The role of quality inspection in customer loyalty

Customer satisfaction is crucial for long-term success on Amazon. By ensuring high product quality, which is confirmed by quality review services, sellers can build a loyal customer base. Satisfied customers are more likely to leave positive reviews, make recommendations and buy from the same seller again.

Adaptation to changing consumer trends and market conditions

The e-commerce market is constantly changing. Quality inspection services help sellers keep pace with these changes by ensuring that their products comply with the latest consumer trends and safety standards. This is particularly important in areas where new technologies or materials are used.

Increasing competitiveness

In a market where new sellers are constantly entering, it is crucial to remain competitive. Quality inspection services enable Amazon sellers to differentiate their products through quality and reliability, resulting in a clear competitive advantage.

Risk management and compliance

Quality inspection services also help to manage risks and ensure compliance with legal regulations and standards. This is particularly important for products that are subject to strict health and safety regulations.

Summary: Quality inspection as the cornerstone of success on Amazon

To summarise, quality inspection services are crucial for Amazon sellers. Not only do they contribute to the immediate improvement of product quality and customer satisfaction, but also to the long-term strengthening of the brand and increase in sales. In an increasingly competitive environment, quality verification services provide the necessary tools to stand out, gain the trust of customers and build a lasting relationship with them. For Amazon sellers looking for sustainable success, investing in such services is therefore essential.

 of the brand  achieved Points in our test and therefore passed. The test was carried out in the test period
11/23
and is stored in our database under the licence number . 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.

show more +

Download

Evaluation process

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

Similar Tests & Comparisons

  • HOMEOW LED recessed spotlight 230V 7W

    HOMEOW LED recessed spotlight 230V 7W

    11/25
  • HOMEOW Dimmable LED recessed spotlight

    HOMEOW Dimmable LED recessed spotlight

    11/25
  • Caja – Motor skills toy for babies

    Caja – Motor skills toy for babies

    11/25
  • Fox Bunny – Tarpaulin buttons

    Fox Bunny – Tarpaulin buttons

    11/25
  • Dromader – DT001 child carrier

    Dromader – DT001 child carrier

    11/25
  • MFT Bodyteamwork GmbH – Fun Disc Classic

    MFT Bodyteamwork GmbH – Fun Disc Classic

    11/25
  • ELANI – Swing Bar

    ELANI – Swing Bar

    11/25
  • FairyTrees Christmas tree FT32

    FairyTrees Christmas tree FT32

    11/25
  • PRIOstahl – 4-row pigeon repellent, 5 meters

    PRIOstahl – 4-row pigeon repellent, 5 meters

    11/25
  • KingCamp – Double Camping Chair

    KingCamp – Double Camping Chair

    11/25
  • FairyTrees – Christmas Tree FT01

    FairyTrees – Christmas Tree FT01

    11/25
  • VINKO Powerbank with Cable

    VINKO Powerbank with Cable

    11/25

How Prüfengel rates products

Our product evaluations are carried out exclusively through direct, on-site tests. This ensures a detailed and specific examination of the product properties. You can find more information about the test procedure here.

Further practical tests

  • GOODS+GADGETS® Automatic mosquito tent

    GOODS+GADGETS® Automatic mosquito tent

    09/23
  • Microfibre towel set from bemaxx

    Microfibre towel set from bemaxx

    10/24
  • Picture frames in the test 2023

    Picture frames in the test 2023

    08/23
  • Kitchen tap Varvaro from Bächlein

    Kitchen tap Varvaro from Bächlein

    03/24
  • Dynamic 10000 Pro sand filter from Miganeo

    Dynamic 10000 Pro sand filter from Miganeo

    05/24
  • moinkerin wheel bolt caps

    moinkerin wheel bolt caps

    08/25
  • The Noble Finn® Digital Caliper

    The Noble Finn® Digital Caliper

    02/24
  • Convection vaporiser in the test 2022

    Convection vaporiser in the test 2022

    12/22
  • Premium solar extension cable from Sepo-Leitungen

    Premium solar extension cable from Sepo-Leitungen

    04/24
  • LORESJOY shower handle suction cup

    LORESJOY shower handle suction cup

    05/25
  • Burger smasher set from Pukpu

    Burger smasher set from Pukpu

    08/24
  • ARNOMED SUPERDRY – 60x90cm | Hospital sheets

    ARNOMED SUPERDRY – 60x90cm | Hospital sheets

    07/25

Categories

Discover our tests & comparisons in the various categories.
Car & Motorcycle
Clothing
Garden
Baby & Child
DIY store
Home & Living
Sport & Leisure
Household
Outdoor
Pets
Bathroom
Technology
Car & Motorcycle
Clothing
Garden
Baby & Child
DIY store
Home & Living
Sport & Leisure
Household
Outdoor
Pets
Bathroom
Technology