Software Alternatives & Startups

NOWPayments VS StackSwap

Compare NOWPayments VS StackSwap and see what are their differences

NOWPayments

NOWPayments is a crypto payment gateway that supports more than 300 cryptocurrencies, including fiat, and offers simple tools to accept crypto payments, like a crypto payments API, plugins, invoices.

Rating
0 reviews
StackSwap

StackSwap maps GTM waste and keep/replace/remove calls. Scan in ~60s, no login. Preview free; unlock the full report when you are ready.

No screenshot yet
Rating
0 reviews
Pricing
Freemium Free trial $25 / One-off ($25 per tool decision (capped at $249) )
Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Which is more popular?

Based on our record, NOWPayments seems to be more popular. It has been mentioned 67 times since March 2021.

social mentions
67 vs 0
Cryptocurrencies popularity
100% vs 0%
alternatives listed
219 vs 14

Base details

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

NOWPayments
StackSwap
Website nowpayments.io stackswap.ai
Pricing
Freemium Free trial $25 / One-off ($25 per tool decision (capped at $249) ) Official pricing
Platforms
WooCommerce Wordpress REST API
—
Company 2019 Startup from the United States · 1 - 9 employees · 2026
Listed in

About NOWPayments and StackSwap

In their own words, as submitted to SaaSHub.

NOWPayments
StackSwap

NOWPayments is a crypto payment gateway that lets all types of businesses accept payments in 300+ cryptocurrencies, with auto coin conversion and fiat conversion available. Pricing: 0,5% transaction fee + 0,5% exchange fee if exchange is needed. The platform also supports fiat conversion:...

Read more about NOWPayments

What StackSwap does StackSwap is a free GTM stack audit that surfaces tool overlap, redundancy, and waste in B2B sales tech stacks. Built for founders, RevOps leads, and sales operators who need to cut SaaS spend without losing capability. How it works Drop in your current GTM stack (CRM, sales...

Read more about StackSwap

Features and specs

What each product offers, as listed by its team.

NOWPayments 5 features
StackSwap 2 features
  • Wide Range of Supported Cryptocurrencies
    NOWPayments supports over 50 cryptocurrencies, allowing merchants and users to transact using their preferred digital assets.
  • Merchant Tools and Plugins
    NOWPayments offers a variety of integrations including APIs, an invoicing system, and plugins for popular e-commerce platforms like WooCommerce, Magento, and Shopify.
  • Non-Custodial Service
    Funds go directly to the merchant's wallet, ensuring greater security and reducing the risk associated with centralized platforms.
  • Low Fees
    The platform offers competitive transaction fees starting at 0.5%, making it an affordable choice for businesses.
  • Auto Coin Conversion
    Merchants can automatically convert received cryptocurrencies into a more stable asset or their preferred cryptocurrency.

Possible disadvantages

  • Customer Support
    Although generally reliable, some users have reported delays in customer support response times during peak periods.
  • Regulatory Uncertainty
    As with any cryptocurrency service, the platform operates in a regulatory gray area in some jurisdictions, which could lead to potential compliance challenges.
  • Dependency on Cryptocurrency Volatility
    The value of cryptocurrencies can be highly volatile, posing risks for both merchants and customers in terms of transaction value fluctuations.
  • Relatively New Service
    As a relatively new player in the market, the platform may lack the extensive track record and reliability compared to more established providers.
  • StackBuilder
    Answer four questions. Get an opinionated GTM stack with specific tools, costs by tier, and what to skip.
  • StackScan
    Audits your GTM stack and surfaces the overlap. No sales call, no demo, no login or subscription.

Analysis

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

NOWPayments
StackSwap

Overall verdict

  • NOWPayments is considered a reliable and beneficial service for cryptocurrency payments by many users.

Why this product is good

  • NOWPayments is praised for its ease of use, allowing businesses to accept a wide range of cryptocurrencies with simple integration processes. It offers competitive transaction fees and supports automatic conversion to fiat currencies, providing flexibility for businesses. Additionally, its non-custodial nature enhances security, as it does not hold the funds but directly transfers them to the merchant's wallet.

Recommended for

    NOWPayments is highly recommended for online businesses, e-commerce platforms, and any merchants looking to expand their payment options to include cryptocurrencies. It is especially beneficial for those who value security, seek to reach a global customer base, and want to offer flexible payment choices.

Overall verdict

  • Limited independent information is available about StackSwap (stackswap.ai), so a confident assessment of its quality, security, and reliability cannot be made without further research directly from official sources, user reviews, and independent audits.

Why this product is good

  • Insufficient verified public data exists to confirm the platform's legitimacy, security practices, or track record.
  • Crypto and DeFi-related platforms carry inherent risks, so any swap or exchange service should be vetted carefully before use.
  • No confirmed information on regulatory compliance, audit history, or team transparency was available at the time of this assessment.
  • Users should check for smart contract audits, community reputation, and liquidity/volume metrics before trusting the platform with funds.

Recommended for

  • Users who are comfortable conducting their own due diligence before using a lesser-known crypto/DeFi platform.
  • Not recommended for beginners or those seeking a well-established, thoroughly vetted swap service without additional research.
  • Individuals who prioritize checking audit reports, team credibility, and community feedback prior to using new platforms.

Videos

Walkthroughs and reviews on video.

NOWPayments 3 videos + Add
StackSwap 0 videos + Add

What is NOWPayments

More videos

  • - What is NOWPayments? | Accept Crypto Payments | Crypto Merchant Processor | Process Crypto Payments
  • - How to Setup NOWPayments Crypto Donation Button on Your Website (2021)

No StackSwap 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
NOWPayments
StackSwap
100% 100%
0% 0%
0% 0%
100% 100%
100% 100%
0% 0%
0% 0%
100% 100%

Questions & Answers

As answered by people managing NOWPayments and StackSwap.

What makes your product unique?

NOWPayments's answer

300+ currencies, cross-chain payments, fiat on-ramp and off-ramp. Multiple crypto payment tools, custom solutions for various industries.

StackSwap's answer:

Most SaaS spend tools — Vendr, Zylo, Productiv, BetterCloud — require integrations with billing, SSO, or HRIS before they tell you anything. They're heavyweight onboarded platforms. StackSwap is the opposite: drop in your tool list, get a structured audit in ~60 seconds, no integration. Overlap surfaced by category, with keep / replace / remove calls. It's the diagnostic step before the platform commitment, not a replacement for it.

Why should a person choose your product over its competitors?

NOWPayments's answer

  • lower fees
  • more currencies supported
  • 24/7 support
  • transparent fee system, no hidden fees
  • listing possibilities
  • custom features

StackSwap's answer:

Two reasons:

  1. Speed. SaaS Management Platforms take 2-6 weeks to onboard and another 30-60 days to surface useful insights. StackSwap takes 60 seconds. Different product class.

  2. Cost. SMP contracts start around $20k/yr. The free Stackscan covers most of what a founder or RevOps lead needs to start the consolidation conversation.

Honest take: if you're already running an SMP and getting value, keep it. StackSwap is the faster diagnostic, not the replacement. If you're shopping the SMP category, run StackSwap first to see what you actually need before sitting through five demos.

How would you describe the primary audience of your product?

NOWPayments's answer

Businesses and individuals that would like to accept crypto

StackSwap's answer:

B2B SaaS founders, RevOps leads, and Heads of Sales / Marketing / Revenue at companies in the 10-200 employee range — typically post-seed, pre-Series-B — where the GTM stack has grown organically and nobody owns the audit. Common trigger: a board meeting where someone asks "are we paying for tools we don't use?"

Also: buyers evaluating the SaaS spend management category who want a directional read before sitting through enterprise sales cycles.

Who are some of the biggest customers of your product?

NOWPayments's answer

For example, Travala crypto travel platform

What's the story behind your product?

StackSwap's answer:

I spent 10 years in B2B SaaS sales — BDR through Head of Revenue — selling into hundreds of mid-market and enterprise teams. I watched companies pay six figures a year for two competing data enrichment tools because nobody owned the audit and nobody wanted to fight the renewal motion.

StackSwap is the tool I would've hated to face as a vendor on the renewal call: free, fast, takes the buyer's side, names overlap by name. The category I sold in for a decade gets auditable.

Which are the primary technologies used for building your product?

StackSwap's answer:

Next.js 14 (App Router) on Vercel, TypeScript, Supabase (Postgres + Auth + Storage), Stripe for billing, Anthropic's Claude API for LLM-assisted analysis, Sentry for observability.

Built deliberately on a thin stack — the irony of running a tool-overlap audit on 30 SaaS subscriptions wasn't lost on me.

User comments

Share your experience with using NOWPayments and StackSwap. For example, how are they different and which one is better?

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Reviews and articles

External articles and on-site reviews we used to compare the two products.

NOWPayments no reviews yet
StackSwap no reviews yet

We have no reviews of StackSwap yet. Be the first one to post

Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

NOWPayments 67 mentions
StackSwap 0 mentions
  • Want to accept crypto for my business, how to handle it best?
    I looked at this for my business as well, I ended up using crypto.com which to date nobody has used and https://nowpayments.io/ which many people have used. Source: almost 3 years ago
  • Looking where to buy some hoge?
    Https://nowpayments.io/ Have a store and want to accept crypto such as HOGE? NowPayments has you covered. Source: about 3 years ago
  • NowPayments.io adding PLS soon means PLS payments on: Shopify, WooCommerce, Brick & Mortar POS Terminals, Donation Websites, Casinos, Fiat On Ramps and much more!
    It's looking like PowerCity's PixelPark is trying to beat Mintra to market as the first major NFT Marketplace soon on PulseChain as they have partnered with NowPayments.io to handle their payment processing:. Source: over 3 years ago

View more

Tracking StackSwap since May 2026.

Alternatives to NOWPayments and StackSwap

When comparing NOWPayments and StackSwap, you can also consider the following products.