Cathay vs Notary
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Cathay
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The Cathay Knowledge Sharing Platform A digital knowledge platform that empowers human interaction & collaboration One Global Team. One Mission. Dedicated to helping entrepreneurs and corporates solve their greatest challenges with hard work, persistence and sincerity. Your tailored startup flow Access hot startups curated for your needs by our global teams Disruptive business opportunities Foster partnership with latest hot startups and follow collaboration statuses Global Sector Knowledge Sharing Share and explore key knowledge via studies and events Spark new relations in collaboration groups with our ecosystem partners
Notary
Securely complete notarial procedures online. This app facilitates the digital reading of your German eID card and qualified documents for online identification.
- Secure digital notarial procedures
- Online identification
- Read German eID card
- Read digital photos from documents
- Secure user identification
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Notarial procedures can now be completed securely digitally. For the secure identification use the free Notary App. The reading of your german eID card as well as the reading of a digital photo from a qualified document in the online procedure can easily and securely be done with the Notary App.
Screenshots
Verdict
The clearest difference is update cadence: Notary at every 2 months against Cathay's every 13 months. Cathay's advantage is iOS requirement (16.0 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Cathay ships an update every 13 months, Notary every 2 months. The most recent releases landed on October 11, 2026 and October 27, 2026 respectively.
| Parameter | Cathay | Notary |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 9.1% of reviews |
| Update frequency | Every 13 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone | iPhone |
| Requires iOS | 16.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 21 MB | 42 MB |
| Age rating | 17+ | 4+ |
| Developer | Cathay Innovation SAS | Bundesnotarkammer |
In-app purchases
Cathay
No in-app purchases
Notary
No in-app purchases
