# AUTHADA vs SkeinCheck

The clearest difference is in-app purchases: AUTHADA at none against SkeinCheck's 1. SkeinCheck's advantage is update cadence (every 2 weeks vs every 2 months) and review sentiment (100% vs 76%). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. SkeinCheck sells 1 one-off in-app purchase. AUTHADA asks for nothing beyond the download.

AUTHADA ships an update every 2 months, SkeinCheck every 2 weeks. The most recent releases landed on October 26, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | AUTHADA | SkeinCheck |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 76.2% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 15 MB | 60 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Authada GmbH](https://appshunter.io/developer/1314423801) | [Lukas Bruderhofer](https://appshunter.io/developer/1724569871) |

## What reviewers say

### AUTHADA

[App page](https://appshunter.io/ios/app/authada/id1479685801)

Securely identify yourself online using your German identity card or residence permit. The app guides you through the process of reading your ID and entering necessary codes for verification.

**Highlights:** Online identification with German ID card, Uses NFC for data reading, PIN and TAN entry for verification, PIN change and unlock functionality, Privacy-focused with BSI certification, Accessible design

**In-app purchases:** none


### SkeinCheck

[App page](https://appshunter.io/ios/app/skeincheck-yarn-planner/id6809018496)

Plan knitting and crochet projects based on your available yarn. Estimate yarn usage, design color layouts, and track progress without needing an account or cloud service. Save and export your plans locally.

**Highlights:** Plan projects with existing yarn, Estimate yarn quantities needed, Design stripe and square color layouts, Track project progress, Replan unfinished work, Save and export plans as PDF, Local project storage

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SkeinCheck Plus | $29.99 | one-time |


## Frequently asked questions

### Is AUTHADA free?

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

### Is SkeinCheck free?

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

### Do AUTHADA or SkeinCheck have ads?

Neither AUTHADA nor SkeinCheck shows ads.

### Which is updated more often, AUTHADA or SkeinCheck?

AUTHADA ships an update every 2 months, and SkeinCheck every 2 weeks. Most recently, AUTHADA was updated on October 26, 2026 and SkeinCheck on October 29, 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.*