KSB Sonolyzer vs Logbook Mobile
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KSB Sonolyzer
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The first App that hears if you save energy. KSB Sonolyzer enables you to appraise the efficiency or inefficiency of pumps and other rotating equipment by simply listening. You enter four parameters which you can find on the type plate of the machine and hold your mobile device for 20 seconds close to the fan of the induction motor operated with constant supply voltage and frequency. Sonolyzer captures the operational noise with the inbuilt microphone and analyses the noise spectrum within seconds. The results are displayed afterwards on your device display, e.g. that pump and motor are operated in partial load. You can request advice based on your individual analysis, and your locally responsible KSB contact can connect seamlessly to your analysis.
Logbook Mobile
Stay connected with your professional network by easily viewing colleague updates and sharing your own news, photos, and videos. This app facilitates faster communication within your organization.
- View colleague activity
- Share updates
- Post photos
- Share videos
- Fast network communication
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Keeping up with your OPP network faster than ever. • See what colleague are up to • Share updates, photos and video
Screenshots
Verdict
The clearest difference is iOS requirement: Logbook Mobile at 9.0 against KSB Sonolyzer's 16.0. On price, update cadence, ads and in-app purchases 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.
KSB Sonolyzer ships an update every 5 months, Logbook Mobile every 7 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.
| Parameter | KSB Sonolyzer | Logbook Mobile |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | Every 5 months — better | Every 7 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 94 MB | 186 MB |
| Age rating | 4+ | 17+ |
| Developer | KSB SE & Co. KGaA | ANDRITZ AG |
In-app purchases
KSB Sonolyzer
No in-app purchases
Logbook Mobile
No in-app purchases
Questions
Is KSB Sonolyzer free?
Is Logbook Mobile free?
Do KSB Sonolyzer or Logbook Mobile have ads?
Which is updated more often, KSB Sonolyzer or Logbook Mobile?
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