Accounting · head to head
Billin vs Paychex

Billin
Accounting
Spanish online invoicing software for freelancers and small businesses
- From
- €6.6/month
- Rated
- -

Paychex
Accounting
Outsourced United States payroll, tax filing, benefits and HR services with an assigned service representative
- From
- $29/month
- Rated
- -
The short version
- Each has a real cost: Billin plan Basico caps usage at just 5 clients, 1 user and 10 products for EUR 6.60/month, well below what most active small businesses need; Paychex pricing is quoted rather than published and varies between clients and between renewals, with separate charges for each payroll run, off cycle payments and year end processing, so two similar businesses regularly pay very different amounts for the same service and comparing quotes is difficult by design.
- Prices and features above were last checked on 30 August 2026.
Where they differ
Only the attributes on which Billin and Paychex actually diverge.
Identical on both: pricing model (subscription), free tier (No), user rating (Not yet rated), category (Accounting).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in Billin
Nothing recorded that Paychex does not also cover.
Only in Paychex
- Payroll processing
- Payroll tax filing
- Year end forms
- Multi state payroll
- Garnishments
- Time and attendance
- Benefits administration
- Retirement plans
What people use each for
The jobs each tool is most often brought in to do.
Billin
- Invoice managementnot Paychex
- Multi-user accounting for freelancers and small businessesnot Paychex
Paychex
- A United States business with employees in several states that does not want to track differing withholding and unemployment rules internallynot Billin
- A small employer whose accountant recommends outsourcing payroll tax filing so the penalty risk sits with a service providernot Billin
- A growing company that wants payroll, benefits enrolment and a retirement plan administered together rather than through three vendorsnot Billin
- A small employer seeking benefits pricing through a professional employer organisation that it could not negotiate on its own headcountnot Billin
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Billin
- Plan Basico caps usage at just 5 clients, 1 user and 10 products for EUR 6.60/month, well below what most active small businesses need
- Plan Pro still caps clients at 50 and users at 3 for EUR 14/month, so any business with more clients must move to the unlimited EUR 23/month tier
Paychex
- Pricing is quoted rather than published and varies between clients and between renewals, with separate charges for each payroll run, off cycle payments and year end processing, so two similar businesses regularly pay very different amounts for the same service and comparing quotes is difficult by design.
- Charging per payroll run rather than per month penalises employers who pay weekly or who run frequent off cycles, so a business with hourly staff on a weekly cycle pays several times what a monthly salaried business of the same size pays.
- Migrating mid year requires transferring year to date wage and tax figures for every employee in every jurisdiction, so in practice companies switch only at a calendar year end, which leaves you locked to the incumbent for the rest of the year whatever the service is like.
- The service model depends on an assigned representative, and reported experience varies sharply with who that person is and how often the assignment changes, which means the quality of what you bought is not a property of the product you evaluated.
- It is a United States service, so a company with employees abroad still needs a separate payroll provider in each country, and the group has no single view of employment cost without building one outside the system.
Pricing, plan by plan
Billin
€6.6/month- Plan Básico$80/year
- 0-5 clients
- 1 user
- Max 10 products
- Plan Básico$96/month
- Plan Pro$168/year
- 6-50 clients
- 3 users
- Max 50 products
- Plan Pro$204/month
Paychex
$29/month- Flex Essentials$39/month
- Payroll
- Tax administration
- Direct deposit
- Flex Select$59/month
- HR administration
- State unemployment insurance
- New hire reporting
Which should you pick?
Choose Billin if
Nothing in the data separates Billin from Paychex on the points above - pick on price and on how each one feels to use.
Choose Paychex if
- You need payroll processing.
- You work on Web, Ios, Android.
- You also want payroll tax filing.
Questions people ask
- Is Billin or Paychex better?
- Neither clearly leads. Billin starts at €6.6/month and Paychex at $29/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Billin or Paychex?
- Billin starts at €6.6/month and Paychex at $29/month.
- Does Billin or Paychex run on more platforms?
- Billin runs on Web. Paychex runs on Web, Ios, Android.
- What is Billin best used for?
- Billin is most often used for invoice management, multi-user accounting for freelancers and small businesses. Of those, invoice management and multi-user accounting for freelancers and small businesses are not what Paychex is typically brought in for.
- What can Billin do that Paychex cannot?
- Paychex covers Payroll processing, Payroll tax filing, Year end forms, Multi state payroll.
Answered from the vendors’ own pages
Billin: What are Billin's plan costs?
Billin offers three plans: Básico at €80/year (€6.60/month), Pro at €168/year (€14/month), and Ilimitado at €276/year (€23/month). Annual billing includes 18% savings compared to monthly.
SourcePaychex: How much does it cost?
Paychex quotes per client rather than publishing rates, and the structure typically includes a base fee plus a per employee per payroll charge with extras for year end and off cycle runs. Get the full fee schedule in writing, including what a mid year change of plan costs.
Billin: Is there a free trial for Billin?
Yes, Billin offers a 30-day free trial with all features included. No credit card is required to start.
SourcePaychex: Who is liable if payroll taxes are filed late or wrongly?
Contractually the provider generally accepts responsibility for errors it makes, but the employer remains the party the tax authorities pursue. Read the specific indemnity language rather than relying on the sales description.
Billin: How many users does each Billin plan include?
Básico includes 1 user, Pro includes 3 users, and Ilimitado includes unlimited users.
SourcePaychex: Can I switch providers mid year?
Technically yes, but you must carry year to date figures across for every employee and jurisdiction, and errors there surface at year end on employee tax forms. Most businesses switch effective 1 January for that reason.
Paychex: What is the difference between the standard service and the professional employer organisation option?
Under the professional employer organisation arrangement Paychex becomes a co-employer for tax and benefits purposes, which changes your benefits access and some of your employment administration. It costs more and it is harder to unwind, so treat it as a different decision from buying payroll.
Paychex: Does it work with my accounting software?
It exports a general ledger file and connects to the mainstream accounting products. Confirm the mapping to your chart of accounts during onboarding, because a generic export means your bookkeeper recodes every run.
Paychex: Is it suitable if we only have a few employees?
It will serve you, but very small employers often find the per run charges and the service tiering expensive relative to self service payroll products. The case improves once multi state complexity or benefits administration enters the picture.
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