Affirm vs Square: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for Affirm and Square side by side. This page compares data; it is not a hands-on review.
On the data: On the data below, Square leads on a free plan. We do not name an overall winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
Affirm
Pay over time with flexible payment plans and no fees, for consumers and businesses.
Best for you if:
- • You want no hidden fees for consumers
Square
Payment processing and POS systems
Best for you if:
- • You want a free tier before you commit
| At a Glance | Affirm | Square |
|---|---|---|
Starts at | Not published | Free plan, paid from $49/mo, billed monthly Plus plan |
Category | E-commerce Payment Processing | Payment Processing E-commerce |
Rating | 4.6/5 Capterra 4.8 · G2 4.3 101 reviews | 4.6/5 G2 4.6 1,211 reviews |
Free plan | No | Yes |
Choose Affirm or Square?
Choose Affirm if
- You want no hidden fees for consumers
- You want transparent interest rates shown upfront
- You work in e-commerce, not payment processing
Choose Square if
- You want a free tier before you commit
- You want easy payment processing
- You want POS hardware
- You work in payment processing, not e-commerce
In-Depth Analysis
Affirm
Pay over time with flexible payment plans and no fees, for consumers and businesses.
Strengths
- Pro: No hidden fees for consumers
- Pro: Transparent interest rates shown upfront
- Pro: Flexible payment options to fit various budgets
- Pro: Can be used at a wide range of merchants
- Pro: Helps businesses boost sales and customer loyalty
Weaknesses
- Con: Interest rates can be up to 36% APR for some plans
- Con: Eligibility check required, which may not approve all users
- Con: Not available in all states or U.S. territories
Key features
Square
Payment processing and POS systems
Square's pricing is generally fair, especially for small businesses.
Strengths
- Pro: Easy payment processing
- Pro: POS hardware
- Pro: Good for small business
- Pro: Fair pricing
- Pro: Many features
Weaknesses
- Con: Account holds possible
- Con: Not for high-risk
- Con: International limited
- Con: Support varies
- Con: Fees add up
Key features
Plans and prices: Affirm vs Square
| Tool | Plans and prices | Source |
|---|---|---|
| Affirm | No plan prices on file | affirm.com |
| Square |
| squareup.com/pricing read Sep 29, 2026 |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on Affirm pricing and Square pricing.
Key Takeaways
Affirm
- Choose if you want pay over time with flexible payment plans and no fees, for consumers and businesses
Square
- Has a free plan
What the data shows
On the data below, Square leads on a free plan. We do not name an overall winner for this pair.
- User ratings are within 0.2 points (4.6/5 from 101 reviews for Affirm, 4.6/5 from 1,211 reviews for Square).
- Square starts at $49/mo, billed monthly; Affirm has no public paid plan price on file.
- Only Square has a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do Affirm and Square compare in 2026?
On the data below, Square leads on a free plan. We do not name an overall winner for this pair. User ratings are within 0.2 points (4.6/5 from 101 reviews for Affirm, 4.6/5 from 1,211 reviews for Square). Square starts at $49/mo, billed monthly; Affirm has no public paid plan price on file. Only Square has a free plan.
What are Affirm and Square used for?
Affirm: Pay over time with flexible payment plans and no fees, for consumers and businesses. Square: Payment processing and POS systems.
What does Affirm cost vs Square?
Affirm has no public paid-plan price on file. Square's cheapest paid plan is Plus at $49/mo, billed monthly; it also has a free plan. Prices read on the vendors' pricing pages, latest check Sep 29, 2026.
What's the main difference between Affirm and Square?
Affirm's main strength: no hidden fees for consumers. Square's main strength: easy payment processing.