# FTA DTS vs Certify Inspector

The clearest difference is update cadence: Certify Inspector at every 3 weeks against FTA DTS's every 2 months. FTA DTS's advantage is iOS requirement (12.2 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.

FTA DTS ships an update every 2 months, Certify Inspector every 3 weeks. The most recent releases landed on October 4, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | FTA DTS | Certify Inspector |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 60 MB | 118 MB |
| Requires iOS | **12.2** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Federal Tax Authority](https://appshunter.io/developer/1488610661) | [De La Rue International LTD](https://appshunter.io/developer/992439546) |

## What reviewers say

### FTA DTS

[App page](https://appshunter.io/ios/app/fta-dts/id1488610662)

**Features:** macOS Compatibility

**In-app purchases:** none


### Certify Inspector

[App page](https://appshunter.io/ios/app/certify-inspector/id6737808028)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is FTA DTS free?

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

### Is Certify Inspector free?

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

### Do FTA DTS or Certify Inspector have ads?

Neither FTA DTS nor Certify Inspector shows ads.

### Which is updated more often, FTA DTS or Certify Inspector?

FTA DTS ships an update every 2 months, and Certify Inspector every 3 weeks. Most recently, FTA DTS was updated on October 4, 2026 and Certify Inspector on October 6, 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.*