Best built.io Alternatives & Competitors in 2025

Mobile marketing solutions across all major mobile platforms.

NOTIX is an audience re-engagement service based on web and in-app push notifications that work for both desktop and mobile devices.

freemium

Clear, Fast & Unlimited. Residential & Mobile Proxies For Best Price.

Try for free paid Free Trial $3.0 (3$ per 1 Gb)

Customer engagement platform used by over 1 million developers and marketers; the fastest and most reliable way to send mobile and web push notifications, in-app messages, emails, and SMS.

Open Source freemium $9.0 / Monthly (Plus usage-based costs. (Growth Plan). )

Made for the business of mobile app development, Kumulos helps you manage the commercial and technical performance of Apps, so you drive a better outcome for your clients.

paid Free Trial

Native apps, Mobile APIs, Real-time analytics, One Platform.

Firebase is a cloud service designed to power real-time, collaborative applications for mobile and web.

Build & Scale Your Apps In Less Time

JavaScript library for app development using cloud services

World most trusted web push notification platform. All browsers (Safari, Chrome, IE, Firefox, etc.

restdb.io lets you create databases and REST APIs quickly. Development databases are free. Powerful web-based and mobile-friendly data management.

PlayFab is a backend platform for games, delivering powerful real-time tools and services for LiveOps.

Windows Azure and SQL Azure enable you to build, host and scale applications in Microsoft datacenters.

parse-server. Parse-compatible API server module for Node/Express. JS, 14271, 3819. parse-server-conformance-tests. Conformance tests for parse-server adapters.