# R.O.E. DOC vs PSA

The clearest difference is iOS requirement: R.O.E. DOC at 9.0 against PSA's 13.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

R.O.E. DOC ships an update every 6 weeks, PSA every 3 months. The most recent releases landed on September 26, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | R.O.E. DOC | PSA |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Monetization | Free | — |
| Size | 50 MB | 20 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [R. O. E. GmbH](https://appshunter.io/developer/1379037163) | [Certado GmbH](https://appshunter.io/developer/1588853102) |

## What reviewers say

### R.O.E. DOC

[App page](https://appshunter.io/ios/app/roe-doc/id1379037164)

Fill out and document checklists on the go with this app. Access standard checklists or create your own with custom fields, photos, and more. Stay updated on electrical safety news and practical questions.

**Highlights:** Fill standard checklists, Create custom checklists, Add photos and measurement data, Save and share as PDF, Receive safety news updates, Access practical Q&A

**In-app purchases:** none


### PSA

[App page](https://appshunter.io/ios/app/psa-audit/id1664063797)

**In-app purchases:** none


## Frequently asked questions

### Is R.O.E. DOC free?

R.O.E. DOC is free to download, with no in-app purchases.

### Is PSA free?

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

### Do R.O.E. DOC or PSA have ads?

Neither R.O.E. DOC nor PSA shows ads.

### Which is updated more often, R.O.E. DOC or PSA?

R.O.E. DOC ships an update every 6 weeks, and PSA every 3 months. Most recently, R.O.E. DOC was updated on September 26, 2026 and PSA on October 4, 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.*