
CherryTree
Trilium Notes
Zim Wiki
Joplin
Notesnook
Milanote
Standard Notes
Cryptee is a safety and privacy focused, encrypted and cross-platform personal data storage service. You can write personal documents, notes, journals, store photos and all sorts of other files.

Postio.co.uk
Ideal postcodes
Fetchify
Smarty
Data8 UK
ZIP Code API
Data8 UK PredictiveAddress
The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.

Which is more popular?
Based on our record, Cryptee seems to be more popular. It has been mentioned 79 times since March 2021.
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | crypt.ee | postaldatapi.com |
| Pricing | ||
| Platforms | — | |
| Company | Startup from Estonia · 2018 | Startup from the United States · 1 - 9 employees · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


Cryptee is a safety and privacy focused, encrypted and cross-platform personal data storage service. You can write personal documents, notes, journals, store photos and all sorts of other files. It works on all your devices and provides a zero-knowledge place to keep all your sensitive digital...
PostalDataPI is a global postal code validation and enrichment API covering 240+ countries and territories. One API, one key, one flat rate — $0.000028 per query with no tiers or subscriptions. What you get back: Up to 18 metadata fields per postal code — city, state/region, coordinates,...
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Individuals or organizations that require secure storage and privacy for their documents and photos, particularly those concerned about data tracking, surveillance, or needing a privacy-first cloud service alternative.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Google Photos Alternative: Cryptee (Encrypted and Open-Source Cloud Photo Storage)
PostalDataPI Now Returns 18 Fields Per Postal Code — for 240+ Countries
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Cryptee and PostalDataPI. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Cryptee allows you to create, upload, preview, edit and save your formatted text, PDF files, to-do lists, math equations, photos, and code in 22 different languages. You can import files from other apps, organize all...
Cryptee isn’t the only privacy-minded documents app. Turtl is a private platform built with a similar mission. It is currently free to use and, like Cryptee, it does not store user passwords or information and is...
We have no reviews of PostalDataPI yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


> The only major hurdle to this is Apple continuing to treat web apps as second class citizens on iOS If you add a site to iOS' homescreen it automatically becomes a PWA. The best example I found of a site fully leveraging this feature... - Source: Hacker News / almost 3 years ago
Well, then - if self hosting is not your thing - something like crypt.ee might be your thing? Clearly a different pricing model, data is fully encrypted, open source, across platforms. Source: almost 3 years ago
Https://crypt.ee now. I used to mostly use local markdown editors like Ulysses and Zettlr. Source: over 3 years ago
Tracking PostalDataPI since Apr 2026.
When comparing Cryptee and PostalDataPI, you can also consider the following products.

A hierarchical note taking application, featuring rich text and syntax highlighting, storing data in a single xml or sqlite file.
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Fast UK address, email & phone validation APIs for developers. Official Royal Mail PAF data. Pay as you go, 100 free lookups.
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Trilium Notes is a hierarchical note taking application.
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We help businesses improve UX and data quality with a cutting edge address validation service.
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Zim is a graphical text editor used to maintain a collection of wiki pages. Each page can contain links to other pages, simple formatting and images.
Compare Zim Wiki to Cryptee or PostalDataPI:

Fetchify delivers fast, accurate address, email, phone and bank validation tools that help businesses capture clean, verified customer data, reduce failed deliveries and improve checkout experiences worldwide.
Compare Fetchify to Cryptee or PostalDataPI: