# ZeSI mobile vs Wedding Anniversary Timer

The clearest difference is update cadence: Wedding Anniversary Timer at every 3 weeks against ZeSI mobile's every 3 months. Wedding Anniversary Timer also leads on device support (3 vs 1). ZeSI mobile's advantage is iOS requirement (16.6 vs 26.0). 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, Wedding Anniversary Timer every 3 weeks. The most recent releases landed on October 17, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | ZeSI mobile | Wedding Anniversary Timer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 5 MB | 15 MB |
| Requires iOS | **16.6** | 26.0 |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Bundesdruckerei GmbH](https://appshunter.io/developer/1476407827) | [Sebastian Dicke](https://appshunter.io/developer/1896243977) |

## 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


### Wedding Anniversary Timer

[App page](https://appshunter.io/ios/app/wedding-anniversary-timer/id6777167953)

**Features:** macOS Compatibility, Apple Watch app, 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 Wedding Anniversary Timer free?

Wedding Anniversary Timer is free to download, with no in-app purchases.

### Do ZeSI mobile or Wedding Anniversary Timer have ads?

Neither ZeSI mobile nor Wedding Anniversary Timer shows ads.

### Which is updated more often, ZeSI mobile or Wedding Anniversary Timer?

ZeSI mobile ships an update every 3 months, and Wedding Anniversary Timer every 3 weeks. Most recently, ZeSI mobile was updated on October 17, 2026 and Wedding Anniversary Timer on October 11, 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.*