Software Alternatives & Startups

Powerfill.io VS Opalstack

Compare Powerfill.io VS Opalstack and see what are their differences

Powerfill.io

EV charging & energy management platform. Built on open standards. From the creators of SteVe, the world's most trusted open-source OCPP server (1k+stars on GitHub)

Powerfill.io Overview
Rating
0 reviews
Pricing
Open source Freemium $40 / Monthly (Up to 30 chargers, unlimited drivers, 500 rfid tags, 3 admins)
Opalstack

Managed Hosting for developers, entrepreneurs, and businesses like yours

Opalstack Landing page
Rating
0 reviews
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Base details

Website, pricing, platforms and company facts side by side.

Powerfill.io
Opalstack
Website powerfill.io opalstack.com
Pricing
Open source Freemium $40 / Monthly (Up to 30 chargers, unlimited drivers, 500 rfid tags, 3 admins) Official pricing
Platforms
OCPP OCPI REST API Web Mobile +2
Company Startup from the United States · 1 - 9 employees · 2026
Listed in

About Powerfill.io and Opalstack

In their own words, as submitted to SaaSHub.

Powerfill.io
Opalstack

PowerFill is an EV charging and energy management platform from the creators of SteVe, the world's most trusted open-source OCPP server (1,000+ GitHub stars, 458 forks, deployed since 2013 by CPOs, universities, and municipalities worldwide). Powerfill makes OCPP charging infrastructure...

Read more about Powerfill.io

No description of Opalstack yet.

Features and specs

What each product offers, as listed by its team.

Powerfill.io 11 features
Opalstack 5 features
  • EV charger management
    Powerfill.io allows you to manage from 1 charger for free to professional networks of thousands of chargers
  • Open Source and Free
    Powerfill is a hosted version of the #1 open-source project in EV charger management SteVe OCPP
  • No lock-in
    Migration from and to a self-hosted OCPP server is just a few clicks away - self-host without losing data with a few clicks
  • Location Management
    Manage multiple locations with complex layout and permission hierarchies
  • Tariff Management
    Manage advanced tariffs, promotions and granular pricing schemas
  • Smart Charging Technology
    Full implementation of all smart charging profile capabilities in OCPP 1.6 and OCPI 2.2.1
  • Roaming
    Full implementation of OCPI 2.2.1, CPO Role with a full partnership management interface
  • RFID Management
    Advanced management of driver profiles, RFIDs, tokens, access
  • Payment terminals
    Integration with leading payment terminals
  • Full API Access
    Advanced APIs to allow you build any application on your own and for advanced integrations
  • OCA Certified
    Fully certified CSMS by Open Charge Alliance for OCPP 1.6 including Advanced Security and Smart Charging

Possible disadvantages

  • Browser Compatibility Limitations
    As a browser extension, functionality may be limited to specific browsers, which could exclude users who prefer or rely on other browsers not supported by Powerfill.io.
  • Privacy and Data Security Concerns
    Storing personal or sensitive information within the extension for autofill purposes raises potential privacy risks if the data is not properly encrypted or protected.
  • Limited Complex Form Support
    Highly complex or non-standard forms with dynamic fields, CAPTCHAs, or multi-step processes may not be fully compatible with automated filling, requiring manual intervention.
  • Dependency on Extension Updates
    Compatibility with websites can break if the extension isn't regularly updated to handle changes in website structures, leading to potential failures in autofill accuracy.
  • Learning Curve for Advanced Features
    While basic use may be simple, leveraging more advanced customization or template features might require additional time investment to fully understand and utilize effectively.
  • Developer-Friendly Hosting
    Opalstack is designed with developers in mind, offering SSH access, Git integration, and support for multiple programming languages and frameworks including Python, Node.js, Ruby, and PHP, giving developers granular control over their hosting environment.
  • Affordable Pricing
    Opalstack offers competitive pricing for shared and managed hosting plans, making it an accessible option for small businesses, freelancers, and individual developers who need robust features without enterprise-level costs.
  • Modern Control Panel
    Opalstack provides a clean, modern, and intuitive web-based dashboard for managing sites, applications, databases, and email accounts, which is a significant improvement over older-style hosting control panels like cPanel.
  • Strong Support for Multiple Applications
    The platform supports a wide variety of application types including WordPress, Django, Flask, Express, static sites, and more, allowing users to host diverse projects on a single account with easy deployment.
  • Reliable Infrastructure and Support
    Opalstack is built by former WebFaction team members, bringing experienced hosting expertise. They offer responsive customer support and a reputation for stable, well-managed server infrastructure with good uptime.

Possible disadvantages

  • Smaller Community and Ecosystem
    Compared to major hosting providers like DigitalOcean, AWS, or even shared hosts like SiteGround, Opalstack has a smaller user base, which means fewer community tutorials, third-party guides, and forum discussions available for troubleshooting.
  • Limited Scalability Options
    Opalstack is primarily a shared hosting provider, which means it may not be the best choice for high-traffic applications or projects that require rapid, on-demand scaling of resources like CPU, RAM, or storage.
  • Not Ideal for Beginners
    While developer-friendly, Opalstack's approach can be intimidating for non-technical users. Setting up applications often requires familiarity with the command line and server configuration, which may not suit those looking for simple one-click solutions.
  • Limited Data Center Locations
    Opalstack offers a relatively small number of data center locations compared to major cloud providers, which may result in higher latency for users targeting audiences in regions not well-served by the available server locations.
  • Fewer Managed Services and Add-ons
    Unlike larger hosting platforms, Opalstack lacks a wide range of managed add-on services such as built-in CDN integration, managed backups with granular restore options, or one-click SSL management that more mainstream providers offer out of the box.

Analysis

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

Powerfill.io
Opalstack

Overall verdict

  • Powerfill.io appears to be a niche SaaS tool aimed at automating form-filling or document/data population tasks, and based on available information it seems to be a functional, purpose-built solution rather than a broad enterprise platform. Without extensive independent reviews or long-term user feedback publicly available, it's best assessed as a promising but relatively unproven tool—worth trying for its specific use case but not yet established as an industry leader.

Why this product is good

  • Likely offers automation for repetitive form-filling or data-entry tasks, saving time
  • Probably has a simple, focused feature set rather than bloated functionality
  • May offer competitive pricing compared to larger, more complex platforms
  • Could integrate well with specific workflows it was designed for

Recommended for

  • Freelancers or small teams needing lightweight automation for forms or documents
  • Users looking for a simple, specialized tool rather than an all-in-one platform
  • Early adopters willing to try newer SaaS products
  • Businesses with a specific, narrow use case that matches Powerfill's core functionality

Overall verdict

  • Opalstack is a solid choice for developers and tech-savvy users seeking an affordable, flexible control panel hosting solution with good performance and transparent pricing, though it may require more technical know-how than mainstream cPanel hosts.

Why this product is good

  • Uses a custom lightweight control panel that's fast and efficient compared to resource-heavy alternatives like cPanel
  • Offers straightforward, transparent pricing without hidden fees or aggressive upselling
  • Provides SSD storage and solid server performance for the price point
  • Supports multiple app types including Python, Node.js, and various frameworks beyond typical PHP hosting
  • Founded by the original creators of WebFaction, bringing significant hosting industry experience
  • Good for running multiple websites/apps under one account with granular resource control
  • Responsive customer support with a knowledgeable team
  • No long-term contracts required, allowing flexibility

Recommended for

  • Developers who need support for Python, Node.js, or other non-PHP applications
  • Users comfortable with a more technical, non-cPanel control panel interface
  • Small businesses or freelancers hosting multiple websites who want granular control
  • Former WebFaction users looking for a similar service after its shutdown
  • Budget-conscious users who want VPS-like flexibility without full server management
  • Users who prioritize transparent pricing over bundled marketing extras

Videos

Walkthroughs and reviews on video.

Powerfill.io 1 video + Add
Opalstack 0 videos + Add

Powerfill.io - EV Charger Management Platform Overview

No Opalstack videos yet. You could help us improve this page by suggesting one.

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
Powerfill.io
Opalstack
100% 100%
0% 0%
0% 0%
100% 100%
100% 100%
0% 0%
0% 0%
100% 100%

User comments

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