# STORM vs AuditDAT

The clearest difference is update cadence: STORM at every 2 weeks against AuditDAT's every 3 weeks. AuditDAT's advantage is iOS requirement (13.0 vs 15.0). 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.

STORM ships an update every 2 weeks, AuditDAT every 3 weeks. The most recent releases landed on September 8, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | STORM | AuditDAT |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Size | 22 MB | 80 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SHIELD Consultants Ltd.](https://appshunter.io/developer/1596923513) | [UPDAT Technologies Ltd.](https://appshunter.io/developer/1677518309) |

## What reviewers say

### STORM

[App page](https://appshunter.io/ios/app/storm-events-support-system/id1634796951)

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

**In-app purchases:** none


### AuditDAT

[App page](https://appshunter.io/ios/app/auditdat/id6446354293)

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

**In-app purchases:** none


## Frequently asked questions

### Is STORM free?

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

### Is AuditDAT free?

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

### Do STORM or AuditDAT have ads?

Neither STORM nor AuditDAT shows ads.

### Which is updated more often, STORM or AuditDAT?

STORM ships an update every 2 weeks, and AuditDAT every 3 weeks. Most recently, STORM was updated on September 8, 2026 and AuditDAT on September 14, 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.*