# KSB Guard vs VoiceLine

The clearest difference is review sentiment: VoiceLine at 100% against KSB Guard's 67%. VoiceLine also leads on update cadence (every 6 days vs every 2 months). KSB Guard's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.4). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

KSB Guard ships an update every 2 months, VoiceLine every 6 days. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | KSB Guard | VoiceLine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/voiceline/id1584836561/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 days** |
| Monetization | Free | Free |
| Size | 87 MB | 72 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [KSB SE & Co. KGaA](https://appshunter.io/developer/533763415) | [VoiceLine Gmbh](https://appshunter.io/developer/1584836563) |

## What reviewers say

### KSB Guard

[App page](https://appshunter.io/ios/app/ksb-guard/id1381421672)

Monitor your pumps remotely with real-time status updates and notifications. Plan maintenance efficiently and prevent potential damage by gaining an overview of your system's data without being physically present.

**Highlights:** Remote pump status monitoring, Real-time notifications for deviations, Efficient maintenance planning, Vibration and temperature sensor data, Web portal and mobile app access, Secure data transmission

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

**In-app purchases:** none


### VoiceLine

[App page](https://appshunter.io/ios/app/voiceline/id1584836561)

This app offers smart voice messaging for businesses, combining voice recording with automatic transcription. It's ideal for remote and hybrid teams, allowing asynchronous communication and integration with popular business tools.

**Highlights:** Hybrid voice-to-text messaging, Automatic transcription, Asynchronous communication, Remote collaboration tool, Integration with Slack, Teams, Jira, Record messages on the go

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

**In-app purchases:** none


## Frequently asked questions

### Is KSB Guard free?

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

### Is VoiceLine free?

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

### Do KSB Guard or VoiceLine have ads?

Neither KSB Guard nor VoiceLine shows ads.

### Which is updated more often, KSB Guard or VoiceLine?

KSB Guard ships an update every 2 months, and VoiceLine every 6 days. Most recently, KSB Guard was updated on November 2, 2026 and VoiceLine on November 3, 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.*