# ZeSI mobile vs Inventife

The clearest difference is update cadence: ZeSI mobile at every 3 months against Inventife's every 19 months. Inventife's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.6). On price, 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.

ZeSI mobile ships an update every 3 months, Inventife every 19 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | ZeSI mobile | Inventife |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 19 months |
| Monetization | Free | — |
| Size | 5 MB | 10 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Bundesdruckerei GmbH](https://appshunter.io/developer/1476407827) | [Looking4Cache UG (haftungsbeschraenkt)](https://appshunter.io/developer/532870489) |

## What reviewers say

### ZeSI mobile

[App page](https://appshunter.io/ios/app/zesi-mobile/id6470002077)

Verify German administrative documents using Visual Digital Seals (VDS). Scan the seal on your document and compare the app's verification results with the original data. Ensures the authenticity of official and non-official documents.

**Highlights:** Verify administrative documents, Scan Visual Digital Seals (VDS), Check against BSI TR-03171, Check against BSI TR-03137-1, Compare verification results

**In-app purchases:** none


### Inventife

[App page](https://appshunter.io/ios/app/inventife/id6503298919)

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

**In-app purchases:** none


## Frequently asked questions

### Is ZeSI mobile free?

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

### Is Inventife free?

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

### Do ZeSI mobile or Inventife have ads?

Neither ZeSI mobile nor Inventife shows ads.

### Which is updated more often, ZeSI mobile or Inventife?

ZeSI mobile ships an update every 3 months, and Inventife every 19 months. Most recently, ZeSI mobile was updated on November 3, 2026 and Inventife on November 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.*