How is the quality of Anton Paar?
Anton Paar received 20 mentions about product and software quality, with roughly equal positive and negative feedback. Satisfaction declined starting in mid-2025. Early 2025 reviews were mostly positive, including several 5-star ratings for accuracy and ease of use. From July 2025, multiple 1- and 2-star reviews appeared, citing software bugs, connectivity problems, and data loss. By late 2025 and into 2026, complaints increased over app crashes, failed updates, and privacy issues. Some users still report reliable hardware performance and high precision. The overall sentiment shifted from favorable to critical, though a core group continues to value the product’s accuracy and design.
What customers praise
Users praise the device for its accuracy and ease of use, especially for small sample volumes. It measures with high precision. The hardware is reliable and intuitive. One reviewer said it elevated their hobby. The app has a clean interface and records brewing data consistently, including less successful batches. Users appreciate ongoing app development and the professional approach to updates.
What customers said:
- „Sampling - 3-4ml max, measuring and saving the values, everything is super easy and…“
„Sampling - 3-4ml max, measuring and saving the values, everything is super easy and very accurate.“
Original„Probeentnahme - 3-4ml max., messen und abspeichern der Werte, alles super einfach und dazu sehr genau.“
- „Works wonderfully.“
„Works wonderfully.“
Original„Funktioniert wunderbar“
- „works perfectly with the EasyDens“
„works perfectly with the EasyDens“
Original„funktioniert hervorragend mit dem EasyDens“
Common complaints
The app frequently crashes, force closes, and fails to start after updates. Bluetooth connectivity problems make the device nearly unusable. Data loss occurs often after updates or when measurements fail to save on the first attempt. Mandatory location access and difficulties disconnecting the device raise privacy concerns.
What customers said:
- „Even when I am standing in a dark room.“
„Even when I am standing in a dark room.“
Original„selbst wenn ich in einem dunklen Raum stehe“
- „horrible Bluetooth connection makes this device almost unusable“
- „The app requires constant restarting of my smartphone.“
„The app requires constant restarting of my smartphone.“
Original„Die App erfordert ständiges Neustarten meines Smartphones“
How it has changed over time
Quality perception declined sharply after the July 2025 update. Early 2025 reviews were positive, with 5-star ratings for reliability and performance. After July 2025, users reported the app stopped working or showed critical errors. 1- and 2-star reviews rose in August and September 2025, citing broken functionality and data loss. A slight improvement occurred in early 2026, with some 5-star reviews. A 1-star review in September 2026 confirms ongoing issues. The drop in quality followed a major update.
What customers said:
- „Force closes after the recent July 2 update.“
- „Also, I often cannot save the data.“
„Also, I often cannot save the data.“
Original„Außerdem kann ich die Daten oft nicht speichern“
- „update 8/21/25 - new update makes measurements impossible“
Practical takeaways
Recent app updates have caused major disruptions in data collection. Users must back up data regularly to prevent permanent loss during app failures. The hardware remains accurate, but software issues reduce the product’s reliability. Avoid recent app updates and test the app on a secondary device before full deployment. Reliability depends on maintaining stable app performance.
What customers said:
- „It hasn't been able to start at all recently.“
„It hasn't been able to start at all recently.“
Original„lässt sich seit Neuestem garnicht mehr starten“
- „I'm no longer able to open the app at all.“
- „It has crashed out on the phone a few times“
Over time
Data as table
| Month | Avg. rating | Count |
|---|---|---|
| 2024-12 | 5.00 | 1 |
| 2025-01 | 5.00 | 2 |
| 2025-03 | 4.00 | 1 |
| 2025-07 | 2.40 | 5 |
| 2025-08 | 3.00 | 2 |
| 2025-09 | 4.00 | 1 |
| 2025-10 | 2.00 | 2 |
| 2025-11 | 4.00 | 1 |
| 2025-12 | 2.00 | 1 |
| 2026-02 | 2.00 | 2 |
| 2026-04 | 5.00 | 1 |
| 2026-09 | 1.00 | 1 |
Sentiment over time
Data as table
| Month | Positive | Neutral | Negative | Count |
|---|---|---|---|---|
| 2024-12 | 100% | 0% | 0% | 1 |
| 2025-01 | 100% | 0% | 0% | 2 |
| 2025-03 | 0% | 0% | 100% | 1 |
| 2025-07 | 40% | 0% | 60% | 5 |
| 2025-08 | 50% | 0% | 50% | 2 |
| 2025-09 | 100% | 0% | 0% | 1 |
| 2025-10 | 0% | 50% | 50% | 2 |
| 2025-11 | 100% | 0% | 0% | 1 |
| 2025-12 | 0% | 0% | 100% | 1 |
| 2026-02 | 0% | 50% | 50% | 2 |
| 2026-04 | 100% | 0% | 0% | 1 |
| 2026-09 | 0% | 0% | 100% | 1 |
Customer voices
Short excerpts - full reviews are available at the original source.
„Always showing "Value out of range"“
„Works alright, but needs the ability to manually change temperature and Plato once measured.“
„They warm up and then I don't have the real data saved.“
„Modification is no longer possible, so we have batches with incorrect measurements.“
„For a few weeks now, the app has been reporting too much ambient light when using the SmartRef.“
„the app has a lot of room for improvement“
„if you have the same gravity reading at the beginning of the brew instead of showing a flat horizontal curve for gravity it somehows shows a ramp-down line with the same value across the vertical axis“
„It's quite something to turn a 300-euro measuring device into junk with an update.“
What Reddit users discuss
Below are extracts from Reddit which discuss quality in more detail - each linked to the original thread.
„Anton paar Alex 500 giving wildly inaccurate readings of hazy“
Cite this page
Citatio (2026). Anton Paar Quality: customer reviews September 2026. Retrieved 21 September 2026 from https://citatio.ai/anton-paar-reviews/quality/
Data verifiable via our public audit log: Methodology · Transparency