Software Alternatives, Accelerators & Startups

React Native UI Kitten VS DocSpring

Compare React Native UI Kitten VS DocSpring and see what are their differences

React Native UI Kitten logo React Native UI Kitten

Customizable and reusable react-native component kit

DocSpring logo DocSpring

PDF filling API that makes it easy to fill out PDF forms and convert HTML to PDFs
  • React Native UI Kitten Landing page
    Landing page //
    2022-10-12
  • DocSpring PDF Template Editor
    PDF Template Editor //
    2025-02-26
  • DocSpring HTML Template Preview
    HTML Template Preview //
    2025-02-26
  • DocSpring HTML Template Editor
    HTML Template Editor //
    2025-02-26
  • DocSpring Auto-generated Web Form
    Auto-generated Web Form //
    2025-02-26
  • DocSpring E-Signatures
    E-Signatures //
    2025-02-26
  • DocSpring View Submissions
    View Submissions //
    2025-02-26
  • DocSpring View API Request Logs
    View API Request Logs //
    2025-02-26
  • DocSpring Postman Collection
    Postman Collection //
    2025-02-26

We provide a PDF filling and generation API:

  • Upload your PDF to our visual template editor to set up form fields and data types
  • Post JSON to fill out existing PDF forms with data
  • Generate editable PDF forms, or overlay static data on top of fields
  • Create HTML/CSS templates with Liquid fields, then post JSON to generate PDFs
  • Use our merge API to combine multiple PDFs into a single document

PDF generation doesn't need to be complicated or take weeks of engineering time. Use our battle-tested service to start filling out PDFs in minutes.

DocSpring

$ Details
freemium $49.0 / Monthly (Starter - 50 PDFs / mo)
Release Date
2017 October
Startup details
Country
United States
State
Delaware
City
Newark
Founder(s)
Nathan Broadbent
Employees
1 - 9

React Native UI Kitten features and specs

  • Customizable Theme
    React Native UI Kitten offers a customizable theme that allows developers to easily adjust the design according to their app's branding needs. This flexibility is facilitated through default themes and the ability to create custom themes that can be applied across the application.
  • Consistency
    With a comprehensive set of UI components, UI Kitten helps maintain design consistency across different parts of the application, ensuring a unified look and feel.
  • Cross-Platform Support
    The library supports both iOS and Android platforms, enabling developers to create apps that work seamlessly across mobile operating systems with a single code base.
  • Community and Documentation
    UI Kitten has an active community and well-documented resources which provide developers support and guidance, facilitating smoother development processes and faster issue resolution.

Possible disadvantages of React Native UI Kitten

  • Size
    Inclusion of a comprehensive UI library can increase the application's bundle size, which might be a concern for performance-conscious developers aiming to keep their apps lightweight.
  • Learning Curve
    Though UI Kitten is relatively intuitive, new developers may face a learning curve to fully utilize its features and customize themes appropriately.
  • Limited Customization Beyond Theme
    While UI Kitten offers robust theming options, further customization of individual components may be limited compared to building components from scratch, potentially requiring additional custom development.
  • Dependency on Eva Design System
    UI Kitten is deeply integrated with the Eva Design System, which might limit flexibility for developers who wish to use or integrate with different design systems.

DocSpring features and specs

  • Automated PDF Generation
    DocSpring allows users to automate the generation of PDFs by filling out templates with data. This can significantly reduce the time and effort needed to create documents.
  • API Integration
    DocSpring offers a robust API, which allows developers to integrate PDF generation into their own applications easily, enhancing productivity and workflow automation.
  • Flexible Templates
    The platform supports flexible and customizable templates, enabling businesses to maintain brand consistency while meeting specific document formatting requirements.
  • Secure Data Handling
    DocSpring is SOC 2 Type II compliant. We ensure data security through encryption and secure storage options, making it suitable for handling sensitive information.
  • Ease of Use
    The user interface is designed to be intuitive, making it easy for businesses to create and manage PDF templates without requiring extensive technical knowledge.

Category Popularity

0-100% (relative to React Native UI Kitten and DocSpring)
Development Tools
100 100%
0% 0
PDF Tools
0 0%
100% 100
Design Tools
100 100%
0% 0
Document Automation
0 0%
100% 100

Questions & Answers

As answered by people managing React Native UI Kitten and DocSpring.

Which are the primary technologies used for building your product?

DocSpring's answer:

Ruby on Rails, React, AWS

What makes your product unique?

DocSpring's answer:

DocSpring is built specifically for developers who need reliable, secure PDF generation in production. We combine PDF form filling and HTML-to-PDF in a single API, with a visual template editor, typed fields, and validation to catch issues early. Our product has a lot of power features and is built to handle very advanced forms. Our infrastructure is SOC 2 Type II compliant, battle-tested, privacy focused, and optimized for high-volume workloads, so you can ship PDF features quickly and then stop thinking about them.

Why should a person choose your product over its competitors?

DocSpring's answer:

DocSpring is designed for teams who need a powerful tool with all the features you need for complex forms and business logic. DocSpring supports structured JSON, typed fields, and array iterations, and many other advanced features, so your templates stay aligned with your real data model. You get powerful validation, a visual editor, strong observability, and an API that fits into modern engineering workflows, so you spend less time fighting PDFs and more time shipping product.

How would you describe the primary audience of your product?

DocSpring's answer:

DocSpring is built for engineering and product teams who manage complex documents in production: things like financial applications, insurance forms, healthcare and legal documents, HR and payroll workflows, and government-style forms.

What's the story behind your product?

DocSpring's answer:

I used to work at a payroll company (Gusto). We had built a similar in-house tool for filling out tax forms. I then built the first version of DocSpring (formerly named FormAPI) while I was living in Thailand. I built it to automate the filling out of visa application and visa extension forms, but realized that it could also be used for tax forms, real estate contracts, and any other kind of fillable PDF form.

Who are some of the biggest customers of your product?

DocSpring's answer:

  • SaaS services serving customers in the real estate, insurance, finance, and legal industries, among many others.

User comments

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Social recommendations and mentions

Based on our record, React Native UI Kitten should be more popular than DocSpring. It has been mentiond 12 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

React Native UI Kitten mentions (12)

  • React Native styling options/libraries
    Https://akveo.github.io/react-native-ui-kitten/ is a good alternative, I especially like their demo app, I can just refer a client to that and ask them what screens they like. Source: over 3 years ago
  • 7 Popular React Native UI Component Libraries You Should Know
    React Native UI Kitten is a React Native implementation of the Eva Design system. It offers a set of general-purpose UI components styled in the same way to take care of visual appearance. There are a lot of standalone components available as well. - Source: dev.to / over 3 years ago
  • Form Validation in React (Native) using Formik
    UI Kitten: UI Kitten is a React Native framework for creating stunning cross-platform mobile applications. It is based on Eva Design System and provides a set of general purpose UI components styled in a similar way. - Source: dev.to / almost 4 years ago
  • Building a React Native Filter - Part 1
    In the application we built for the client we had two modal instances, the filtering modal (that used the native modal) and an alert modal (where we used UI Kitten's modal). We like the native modal because it offer's us the possibility of deciding how it transitions and it's easier to set it up fullscreen. - Source: dev.to / over 4 years ago
  • Top React Native UI Component Libraries
    Image source: https://akveo.github.io/react-native-ui-kitten/ React Native UI Kitten โ€“ a React Native implementation of the Eva Design system. It offers a set of about 20 general-purpose components styled in the same way to take care of visual appearance. There are a lot of standalone components available as well. The library is based on Eva Design System, containing a set of general-purpose UI components styled... - Source: dev.to / over 4 years ago
View more

DocSpring mentions (5)

  • Ask HN: What Are You Working On? (February 2025)
    I'm still working on DocSpring [1], originally launched on Hacker News in October 2017 under the name "FormAPI." It's a PDF generation API with a template editor UI for setting up fields on PDF forms. It makes it easy to turn complex tax and immigration forms into simple type-safe APIs with strong validations. I've been having a lot of fun with AI agents lately. Have tried a lot of them - Cline, Roo Code,... - Source: Hacker News / over 1 year ago
  • Launch HN: Onedoc (YC W24) โ€“ A better way to create PDFs
    For programmatic filling of PDFs, have a look at DocSpring: https://docspring.com. - Source: Hacker News / over 2 years ago
  • So you want to modify the text of a PDF by hand
    Great post. I've spend a lot of time reading through the PDF specification over the last ~5 years while building DocSpring [1], and I still feel like I've barely scratched the surface. Qpdf is a great tool. One of my other favorites is RUPS [2], which really lets you dig into the structure of a PDF. [1] https://docspring.com [2] https://github.com/itext/i7j-rups. - Source: Hacker News / almost 3 years ago
  • Workflow for automating document creation from a "database"
    Hi /u/pepeday, Iโ€™m the founder of a software product that I built to solve this problem. The service is called DocSpring: https://docspring.com We provide a platform that you can use to set up PDF templates, and automatically generate PDFs by filling in those templates with data from your database. Please feel free to send me a message and Iโ€™d be happy to speak with you and help you figure out a solution. I can... Source: almost 5 years ago
  • How do you fill copies of the same PDF certificates with Excel data?
    - https://docspring.com/ (super advanced features, a bit bloated). Source: almost 5 years ago

What are some alternatives?

When comparing React Native UI Kitten and DocSpring, you can also consider the following products

NativeBase - Experience the awesomeness of React Native without the pain

DocRaptor - As the only API powered by the Prince HTML-to-PDF engine, DocRaptor provides the best support for complex PDFs with powerful support for headers, page breaks, page numbers, flexbox, watermarks, accessible PDFs, and much more

React Native Paper by Callstack - Material Design for React Native (Android & iOS)

Doczilla - Effortlessly create stunning PDFs and screenshots. Seamlessly store them in your own AWS or Google Cloud Storage bucket, putting the control and creativity right at your fingertips.

React Native Elements - Cross-platform React Native UI Toolkit

wkhtmltopdf - wkhtmltopdf is an open source (LGPL) command line tools to render HTML into PDF and various image...