# KSB Sonolyzer vs KSB Product Scheme

The clearest difference is update cadence: KSB Product Scheme at every 6 days against KSB Sonolyzer's every 5 months. KSB Product Scheme also leads on iOS requirement (12.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

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, KSB Product Scheme every 6 days. The most recent releases landed on November 1, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | KSB Sonolyzer | KSB Product Scheme |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 6 days** |
| Size | 94 MB | 61 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [KSB SE & Co. KGaA](https://appshunter.io/developer/533763415) | [Deltainfosoft Pvt. Ltd.](https://appshunter.io/developer/1400286855) |

## What reviewers say

### KSB Sonolyzer

[App page](https://appshunter.io/ios/app/ksb-sonolyzer/id999364617)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### KSB Product Scheme

[App page](https://appshunter.io/ios/app/ksb-product-scheme/id6745541253)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KSB Sonolyzer free?

KSB Sonolyzer is free to download, with no in-app purchases.

### Is KSB Product Scheme free?

KSB Product Scheme is free to download, with no in-app purchases.

### Do KSB Sonolyzer or KSB Product Scheme have ads?

Neither KSB Sonolyzer nor KSB Product Scheme shows ads.

### Which is updated more often, KSB Sonolyzer or KSB Product Scheme?

KSB Sonolyzer ships an update every 5 months, and KSB Product Scheme every 6 days. Most recently, KSB Sonolyzer was updated on November 1, 2026 and KSB Product Scheme on November 8, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*