# JSDE vs BlankState Diagnostic

The clearest difference is update cadence: BlankState Diagnostic at every 2 weeks against JSDE's every 2 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.

JSDE ships an update every 2 months, BlankState Diagnostic every 2 weeks. The most recent releases landed on September 21, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | JSDE | BlankState Diagnostic |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 14 MB | 1 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [JAMF Software](https://appshunter.io/developer/290965542) | [Stabilise Ltd](https://appshunter.io/developer/1886824842) |

## What reviewers say

### JSDE

[App page](https://appshunter.io/ios/app/jsde/id6499516026)

**In-app purchases:** none


### BlankState Diagnostic

[App page](https://appshunter.io/ios/app/blankstate-diagnostic/id6760920995)

**In-app purchases:** none


## Frequently asked questions

### Is JSDE free?

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

### Is BlankState Diagnostic free?

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

### Do JSDE or BlankState Diagnostic have ads?

Neither JSDE nor BlankState Diagnostic shows ads.

### Which is updated more often, JSDE or BlankState Diagnostic?

JSDE ships an update every 2 months, and BlankState Diagnostic every 2 weeks. Most recently, JSDE was updated on September 21, 2026 and BlankState Diagnostic on September 22, 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.*