# Salt mSign vs IBM Inspection Workbench

The clearest difference is update cadence: IBM Inspection Workbench at every 6 weeks against Salt mSign's every 4 months. 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.

Salt mSign ships an update every 4 months, IBM Inspection Workbench every 6 weeks. The most recent releases landed on November 1, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Salt mSign | IBM Inspection Workbench |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ibm-inspection-workbench/id1529885124/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Monetization | — | Free |
| Size | 53 MB | 121 MB |
| Requires iOS | 16.4 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Salt Group](https://appshunter.io/developer/328013684) | [IBM](https://appshunter.io/developer/367353856) |

## What reviewers say

### Salt mSign

[App page](https://appshunter.io/ios/app/salt-msign/id436699557)

**Features:** Vision Pro support

**In-app purchases:** none


### IBM Inspection Workbench

[App page](https://appshunter.io/ios/app/ibm-inspection-workbench/id1529885124)

This app facilitates the labeling of images for training computer vision models on iOS devices. It allows for the creation and management of inspection procedures, deploying trained models to other applications, and initiating inspections via various methods.

**Highlights:** End-to-end iOS/iPadOS native experience, Image labeling for AI training, Create, edit, and publish inspections, Sequential inspection procedures, Deploy trained models to remote devices, Initiate inspections via barcode or OCR

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Salt mSign free?

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

### Is IBM Inspection Workbench free?

IBM Inspection Workbench is free to download, with no in-app purchases.

### Do Salt mSign or IBM Inspection Workbench have ads?

Neither Salt mSign nor IBM Inspection Workbench shows ads.

### Which is updated more often, Salt mSign or IBM Inspection Workbench?

Salt mSign ships an update every 4 months, and IBM Inspection Workbench every 6 weeks. Most recently, Salt mSign was updated on November 1, 2026 and IBM Inspection Workbench on November 5, 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.*