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Onfolk vs Plumm - Comparison 2025

Onfolk vs. Plumm

Last updated on

Reviewed by Steph Leung

Stackfix Product & Operations Lead

SL

Onfolk and Plumm serve distinctly different needs in the HRIS market. Onfolk excels as a streamlined, user-friendly payroll and core HR solution, ideal for UK startups prioritizing simplicity and expert payroll support. Its intuitive interface and specialized payroll expertise make it perfect for companies without dedicated HR staff.

However, Plumm is the superior choice for organizations needing comprehensive HR functionality, particularly those prioritizing employee development and performance management. With its extensive feature set including learning tools, mental health support, and sophisticated performance review capabilities, Plumm better serves growing teams with more complex HR needs.

Onfolk Product Logo

Advantages of Onfolk

Onfolk is significantly more user-friendly
With remarkable ease of use, Onfolk offers a more intuitive interface compared to Plumm. The platform's straightforward navigation and simplified payroll module means new users can master core functions in under 30 minutes, which is particularly valuable for early-stage startups without dedicated HR staff.
Onfolk provides superior customer support
Onfolk's customer support team, comprised of certified payroll professionals (CIPP members), offers more specialized expertise than Plumm's general support system. This is particularly valuable for companies needing guidance on complex payroll matters.
Plumm Product Logo

Advantages of Plumm

Plumm offers far richer functionality natively

Compared to Onfolk, Plumm offers a lot of features natively, such as performance management, an applicant tracking system for recruiting, learning management and more. Plumm is better suited for teams who prefer to manage HR needs in an all-in-one platform.

Plumm offers unique mental health features

Unlike Onfolk, Plumm offers some unique features to improve employee well-being, such as free in-app 1-1 therapy and coaching for employees, a mood tracker, self-help resources and more.

Onfolk is best for

  • Businesses based in the UK
  • Who want a low-cost HRIS & payroll solution
  • And/ or teams without in-house expertise who would benefit from Onfolk's intuitive payroll process

Plumm is best for

  • Business with <100 employees
  • For whom employee wellbeing and a positive workplace culture is a priority
  • And/ or are looking for a mental-health focused HR solution

Onfolk is less good for

  • Any business based outside of the UK
  • And/ OR is looking for an all-in-one HRIS solution with richer native functionality

Plumm is less good for

  • Business with >100 employees
  • Who are seeking a more standard HR solution with robust integrations and workflow automation

Gallery

Onfolk logoOnfolk
Onfolk screenshot
Plumm logoPlumm
Plumm screenshot

Pricing, features & ratings

Onfolk logo

Onfolk

Starting at

$6.75

Converted from GBP

employee / month

Billed monthly

Pricing calculatorVisit Website
Plumm logo

Plumm

Starting at

$8.10

Converted from GBP

employee / month

Billed monthly

Pricing calculatorVisit Website
Stackfix Verdict
Functionality
3

Functionality

3/10

<p>Onfolk focuses on only offering core HR and payroll functionality that UK SMBs will need. <span style="color: rgb(9, 9, 11);">This means compared to most HR platforms, Onfolk lacks a lot of functionality natively, such as performance management, surveys, time-tracking etc. </span></p><p>Onfolk also doesn't seem to have pre-built integrations with 3rd party tools in these categories.</p>
7

Functionality

7/10

<p>Plumm is a feature-rich HRIS with mental health at its core. It combines recruiting, payroll and more in one integrated platform, and offers some additional nifty features such as access to 1-1 therapy and coaching, and an AI mental health chatbot.</p><p>However, it falls short on some table-stake features. For instance, adding a custom field requires contacting Plumm's technical team, and the platform lacks integration with Google or Outlook Calendar to view time-off, which can be a significant limitation for many teams.</p>
Ease of Use
9

Ease of Use

9/10

<p>Partly due to its limited functionality, we found navigating Onfolk intuitive and straightforward. Its payroll module is especially intuitive - an average SMB employee without HR/ payroll background should be able to master the platform and run payroll in under 30 minutes.</p>
7

Ease of Use

7/10

<p>Plumm is generally a user-friendly platform. Key information and functionality can be easily located, and Plumm guides you through more key processes e.g. setting up a performance review cycle. However, with Plumm's rich functionality, there is a learning curve that needs to be overcome by HR admins.</p>
Look and feel
5

Look and feel

5/10

<p>We find Onfolk's interface rather plain and dull compared to competitors. It also has acceptable page load times.</p>
6

Look and feel

6/10

<p>Plumm features a modern and visually appealing design, complete with icons and subtle animations that enhance the user experience. However, its page load times can be slower than other HR systems, at times taking up to 3-4 seconds.</p>
Customisability
6

Customisability

6/10

<p>Onfolk offers standard levels of customisability. You're able to customise data fields, build custom reports and edit workflow checklists.</p><p><span style="color: hsl(var(--foreground));">It lacks the deeper customisability offered by more mature HRIS (e.g. Rippling, Deel), such as creating complex workflows with branching logic and approval chains. </span></p>
6

Customisability

6/10

<p>Most aspects of Plumm is highly customisable.</p><p><br></p><p>While most aspects of the platform is customizable, you are unable to add custom fields to employee profiles directly from the platform; you have to contact Plumm's tech team to add custom fields for you.</p>
Ease of Setup
6
6

Ease of Setup

6/10

<p>Plumm does offer a free trial but gaining access requires talking to sales once. It takes 10-30mins to complete basic setup (entering company information, adding employees). Fully customizing and setting up the platform takes approximately 1 week with the help from an expert, due to its rich functionality.</p>
Customer Support
9

Customer Support

9/10

<p>Onfolk prides itself on its expert customer support team, who are members of the CIPP (Chartered Institute of Payroll Professionals) and payroll experts. This has been supported by positive early reviews from startups in our network.</p>
8

Customer Support

8/10

<p>Plumm's customer support is good. The AI chatbot can explain features and provide step-by-step instructions on how to execute different tasks. Plumm also provides video tutorials on how to use different features on the platform. Customer support agents are also quick to respond to email queries (&lt;6 business hours).</p>
Integratability
4

Integratability

4/10

<p>Onfolk only supports a handful of integrations with the most relevant third-party software, mostly in accounting, pension and benefits categories. However, it does offer an API for custom integrations.</p>
2

Integratability

2/10

<p>Plumm only offers 3 pre-built integrations: Slack, Microsoft Teams and Okta. It doesn't even integrate with Google/ Microsoft Calendar so you can view your team's time-off requests. Disappointingly, it also lacks an API for users to build custom integrations.</p>
Ease of Migration
8

Ease of Migration

8/10

<p>Exports of key employee data are available via self-serve. <span style="color: rgb(9, 9, 11);">Export of most other data are also available via API or on request. </span></p>
5

Ease of Migration

5/10

<p>Users can export most data fields from the platform.</p>
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