# CHECK vs Folo Docs

The clearest difference is in-app purchases: CHECK at none against Folo Docs's 3. CHECK also leads on iOS requirement (16.0 vs 18.0). Folo Docs's advantage is update cadence (every 4 days vs every 3 months) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Folo Docs sells 3 in-app purchases, starting at $5.99 per month. CHECK asks for nothing beyond the download.

CHECK ships an update every 3 months, Folo Docs every 4 days. The most recent releases landed on September 21, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | CHECK | Folo Docs |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (4 ratings)](https://appshunter.io/ios/app/check-at/id1572605753/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 65 MB | 26 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Bundesministerium fuer Inneres](https://appshunter.io/developer/1160774953) | [type-safe : Studio B.V.](https://appshunter.io/developer/6787220633) |

## What reviewers say

### CHECK

[App page](https://appshunter.io/ios/app/check-at/id1572605753)

Verify new Austrian passports and ID cards with this app. It guides you through checking QR codes and physical security features step-by-step, ensuring secure local verification without retrieving personal data.

**Highlights:** Verify new Austrian passports and ID cards, QR code verification, Step-by-step security feature guidance, Local verification without internet data retrieval, Securely checks digital and physical features

**In-app purchases:** none


### Folo Docs

[App page](https://appshunter.io/ios/app/folo-docs/id6787220631)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Folo+ Monthly | $5.99 | per month |
| Folo+ Yearly | $59.99 | per year |
| Folo | $59.99 | one-time |


## Frequently asked questions

### Is CHECK free?

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

### Is Folo Docs free?

Folo Docs is free to download, with in-app purchases available.

### Do CHECK or Folo Docs have ads?

Neither CHECK nor Folo Docs shows ads.

### Which is updated more often, CHECK or Folo Docs?

CHECK ships an update every 3 months, and Folo Docs every 4 days. Most recently, CHECK was updated on September 21, 2026 and Folo Docs on October 12, 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.*