Sites like Simperium

01 · Entity

About Simperium

Simperium simperium.com

Simperium: A cross-platform data sync service.

Simperium is a cross-platform data sync service.

Top 10K · #4,944 English 7 technologies Crawled Nov 6, 2026

Visit Simperium

Summary by Claude

Simperium is a cross-platform data synchronization service that lets developers store app data and keep it in sync across devices; it powers Simplenote and is owned by Automattic.

Who it’s for

Mobile and web app developers

• backend data sync service
• cross-platform data sync
• real-time sync
• mobile backend
• offline data sync
• Simplenote backend
• iOS Android sync library

02 · Embedding space

Competitor map

Each alternative by how close its vector is to Simperium’s (x) and how much traffic it gets, how much of the stack it shares, or where it sits in the embedding space itself (y). Lines split each axis at the median. Hover for the numbers, click to jump to it in the list.

1. 01
   Zimperium zimperium.com Top 10K English

   Zimperium Mobile Security Solutions | Mobile Security for Apps & Devices

   Zimperium is the only mobile security platform purpose-built for enterprise, securing both mobile devices and applications so they can securely access data.

   • Google Analytics
   • Google Search Console
   • jQuery
   • Akamai Edge DNS
   • cdnjs
   • Cloudflare

   0 say Zimperium is a good alternative to Simperium 0 say Zimperium isn’t a real alternative to Simperium

   Comment
   Close cos 0.881
2. 02
   Syncthing syncthing.net Top 10K English

   Syncthing

   open source continuous file synchronization software

   • Bootstrap
   • jQuery
   • Mailgun
   • cdnjs
   • Fastly
   • Font Awesome

   0 say Syncthing is a good alternative to Simperium 0 say Syncthing isn’t a real alternative to Simperium

   Comment
   Close cos 0.876
3. 03
   Visual Studio App Center appcenter.ms Top 1K English

   Visual Studio App Center | iOS, Android, Xamarin & React Native

   Continuously build, test, release and monitor apps for every platform.

   • Google Search Console
   • Azure DNS
   • Azure Front Door
   • Meta Business Suite
   • Microsoft 365

   0 say Visual Studio App Center is a good alternative to Simperium 0 say Visual Studio App Center isn’t a real alternative to Simperium

   Comment
   Close cos 0.869
4. 04
   pastebin.com Top 10K English

   Pastebin.com - #1 paste tool since 2002!

   Pastebin.com is the number one paste tool since 2002. Pastebin is a website where you can store text online for a set period of time.

   • Bootstrap
   • Google Analytics
   • Google Search Console
   • jQuery
   • Amazon SES
   • cdnjs

   0 say pastebin.com is a good alternative to Simperium 0 say pastebin.com isn’t a real alternative to Simperium

   Comment
   Close cos 0.869
5. 05
   Siemens siemens.com Top 10K English

   Siemens home | Siemens

   Siemens: A global technology leader driving innovation in industry, infrastructure and mobility through digital transformation.

   • Google Search Console
   • Adobe
   • Akamai Edge DNS
   • Apple Business
   • Astro
   • Atlassian

   0 say Siemens is a good alternative to Simperium 0 say Siemens isn’t a real alternative to Simperium

   Comment
   Close cos 0.867
6. 06
   Similarweb similarweb.com Top 10K English

   Similarweb: AI-Powered Digital Data Intelligence Solutions

   Similarweb is an AI-powered digital data company providing real-time market intelligence, competitive insights, and consumer trends to accelerate business growth.

   • Google Search Console
   • Atlassian
   • Amazon CloudFront
   • Google Fonts
   • Google Tag Manager
   • Google Workspace

   0 say Similarweb is a good alternative to Simperium 0 say Similarweb isn’t a real alternative to Simperium

   Comment
   Close cos 0.867
7. 07
   SlideShare slideshare.net Top 1K English

   Client Challenge

   American hosting service, owned by Scribd, for professional content including presentations, infographics, documents, and videos

   • Google Search Console
   • Fastly
   • Google Workspace
   • Amazon Route 53

   0 say SlideShare is a good alternative to Simperium 0 say SlideShare isn’t a real alternative to Simperium

   Comment
   Close cos 0.867
8. 08
   Obsidian obsidian.md Top 10K English

   Obsidian - Sharpen your thinking

   The free and flexible app for your private thoughts.

   • Google Search Console
   • Mailgun
   • Cloudflare
   • Cloudflare DNS
   • Fastly

   0 say Obsidian is a good alternative to Simperium 0 say Obsidian isn’t a real alternative to Simperium

   Comment
   Close cos 0.863
9. 09
   Scribd scribd.com Top 1K English

   Scribd: Home to the world’s documents.

   Get to the source. Specialized knowledge on any topic, and answers you won’t find anywhere else. Home to the world’s documents, 300M+ and counting.

   • Google Search Console
   • Mailgun
   • Apple Business
   • Atlassian
   • DocuSign
   • Envoy

   0 say Scribd is a good alternative to Simperium 0 say Scribd isn’t a real alternative to Simperium

   Comment
   Close cos 0.865
10. 10
    Customer customer.io Top 10K English

    Customer.io: Customer Engagement Platform For Better Outcomes

    Customer.io is a customer engagement platform for creating personalized journeys and better business outcomes across email, push, SMS, and in-app messaging.

    • Google Search Console
    • Amazon SES
    • DocuSign
    • Google Tag Manager
    • Google Workspace
    • HubSpot

    0 say Customer is a good alternative to Simperium 0 say Customer isn’t a real alternative to Simperium

    Comment
    Close cos 0.864
11. 11
    Supabase supabase.com Top 10K English

    Supabase | The Postgres Development Platform

    Build production-grade applications with a Postgres database, Authentication, instant APIs, Realtime, Functions, Storage and Vector embeddings. Start for free.

    • Google Search Console
    • Bing Webmaster Tools
    • Cloudflare DNS
    • Google Workspace
    • HubSpot
    • Next.js

    0 say Supabase is a good alternative to Simperium 0 say Supabase isn’t a real alternative to Simperium

    Comment
    Close cos 0.861
12. 12
    Braze braze.com Top 1K English

    Braze Customer Engagement Platform

    Power customer-centric interactions between consumers and brands in real-time.

    • Google Search Console
    • Adobe
    • Amazon SES
    • Apple Business
    • Atlassian
    • Cloudflare

    0 say Braze is a good alternative to Simperium 0 say Braze isn’t a real alternative to Simperium

    Comment
    Close cos 0.862
13. 13
    Samsung Cloud samsungcloud.com Top 1K English

    Samsung Cloud

    See what's synced and backed up across your Samsung devices.

    • Google Search Console
    • Amazon CloudFront
    • Next.js
    • React
    • Amazon Route 53

    0 say Samsung Cloud is a good alternative to Simperium 0 say Samsung Cloud isn’t a real alternative to Simperium

    Comment
    Close cos 0.858
14. 14
    SteamDB steamdb.info Top 10K English

    SteamDB

    online video game database

    • Google Search Console
    • Cloudflare
    • Cloudflare DNS
    • Google Workspace

    0 say SteamDB is a good alternative to Simperium 0 say SteamDB isn’t a real alternative to Simperium

    Comment
    Close cos 0.861
15. 15
    datadoghq.com Top 1K English

    Cloud Monitoring as a Service | Datadog

    See inside any stack, any app, at any scale, anywhere.

    • Google Search Console
    • Mailgun
    • Amazon SES
    • Apple Business
    • Atlassian
    • Amazon Web Services

    0 say datadoghq.com is a good alternative to Simperium 0 say datadoghq.com isn’t a real alternative to Simperium

    Comment
    Close cos 0.860
16. 16
    Semrush semrush.com Top 10K English

    Semrush: Your Unfair Advantage for Growing Brand Visibility

    Semrush is the leading platform to grow and measure brand visibility across AI search, SEO, PPC, social, and more.

    • Google Search Console
    • nginx
    • Adobe
    • Amazon SES
    • Apple Business
    • Atlassian

    0 say Semrush is a good alternative to Simperium 0 say Semrush isn’t a real alternative to Simperium

    Comment
    Close cos 0.863
17. 17
    AppsFlyer appsflyer.com Top 1K English

    AppsFlyer | Modern Marketing Cloud

    Unify measurement, deep linking, data collaboration, and AI across mobile, web, CTV, console and beyond. Make smarter decisions, optimize every channel, and prove impact with the platform built for modern marketing.

    • Google Search Console
    • jQuery
    • Adobe
    • Apple Business
    • Atlassian
    • Cloudflare

    0 say AppsFlyer is a good alternative to Simperium 0 say AppsFlyer isn’t a real alternative to Simperium

    Comment
    Close cos 0.861
18. 18
    iubenda iubenda.com Top 10K English

    Compliance Solutions for Websites, Apps and Organizations | iubenda

    iubenda is your 360° compliance solution for global data privacy laws. Privacy policy generator, cookie consent management, ROPA, Terms and more.

    • Bootstrap
    • Google Search Console
    • Amplitude
    • Apple Business
    • bunny.net
    • consentmanager

    0 say iubenda is a good alternative to Simperium 0 say iubenda isn’t a real alternative to Simperium

    Comment
    Close cos 0.862
19. 19
    Flurry flurry.com Top 1K English

    Flurry | Mobile App Analytics Platform for Android & iOS

    Flurry is a mobile app analytics platform for Android & iOS that empowers product, development and growth experts to build better apps that users love.

    • Adobe Fonts
    • Bootstrap
    • Google Search Console
    • Drupal
    • Express
    • Google Tag Manager

    0 say Flurry is a good alternative to Simperium 0 say Flurry isn’t a real alternative to Simperium

    Comment
    Close cos 0.860
20. 20
    Synology synology.com Top 1K English

    Synology Inc.

    Synology uniquely enables you to manage, secure, and protect your data - at the scale needed to accommodate the exponential data growth of the digital world.

    • Google Search Console
    • jQuery
    • Amazon SES
    • Amazon CloudFront
    • Mailchimp Transactional
    • Microsoft 365

    0 say Synology is a good alternative to Simperium 0 say Synology isn’t a real alternative to Simperium

    Comment
    Close cos 0.858

Ranked by score: the cosine similarity of each site’s vector to simperium.com’s, less a small penalty for generic sites that are close to everything. Highlighted technologies are ones Simperium uses too. Votes and comments come from visitors and don’t change the ranking.

04 · Fingerprints

Technology

What Simperium is built with, and what its closest competitors use, from its homepage’s code and its DNS records.