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Accounting · head to head

Adyen vs Keeper Password Manager

Adyen logo

Adyen

Accounting

The payments platform built for growth

From
$0.13/per-transaction
Rated
-
Full reviewWebsite
Keeper Password Manager logo

Keeper Password Manager

Cybersecurity

Cybersecurity starts here

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Keeper Password Manager has a free tier, so it costs nothing to try first.
  • Each has a real cost: Adyen there is a minimum monthly invoice, set by industry and business model and only disclosed through the sales team, so small volumes are not economic; Keeper Password Manager free tier limited to 10 passwords on one device only
  • They diverge on capability: Adyen covers Payment processing, Keeper Password Manager covers Zero-knowledge security.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Adyen and Keeper Password Manager actually diverge.

Attributes where Adyen and Keeper Password Manager differ
AttributeAdyenKeeper Password Manager
Starting price$0.13/per-transactionFree
Pricing modelusage-basedUnknown
Free tierNoYes
PlatformsWeb, Api, PosWeb, iOS, Android, Windows, macOS
CategoryAccountingCybersecurity
Founded20062011

Identical on both: user rating (Not yet rated).

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 Adyen

  • Payment processing
  • Risk management
  • Unified commerce
  • Issuing
  • Platform payments
  • SAP
  • Salesforce
  • Oracle

Only in Keeper Password Manager

  • Zero-knowledge security
  • Password vault
  • BreachWatch dark web monitoring
  • Secure file storage
  • One-time share
  • Emergency access
  • Passkey support
  • Secrets Manager

What people use each for

The jobs each tool is most often brought in to do.

Adyen

  • Card acquiring with interchange plus pricing for larger merchantsnot Keeper Password Manager
  • Accepting local payment methods across multiple countriesnot Keeper Password Manager
  • Settling in several currencies through linked bank accountsnot Keeper Password Manager
  • Unified online and in-person paymentsnot Keeper Password Manager

Keeper Password Manager

  • Password Managernot Adyen
  • Secrets Managementnot Adyen
  • Privileged Accessnot Adyen

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Adyen

  • There is a minimum monthly invoice, set by industry and business model and only disclosed through the sales team, so small volumes are not economic
  • Published fees are indicative rather than a rate card, with real pricing negotiated
  • Interchange++ means the card cost varies per transaction rather than being a single predictable percentage
  • Alternative payment methods carry their own rates on top, such as 3.3 percent plus $0.10 for American Express in North America

Keeper Password Manager

  • Free tier limited to 10 passwords on one device only
  • Personal and Family plans lack team collaboration features
  • Higher per-user cost for small teams compared to some competitors

Pricing, plan by plan

Adyen

$0.13/per-transaction
  • Transaction-Based Pricing$undefined/mo
    • Fixed $0.13 USD per transaction
    • Variable fee determined by payment method
    • No setup fees

Keeper Password Manager

Free
  • Personal$34.99/year
  • Family$74.99/year
  • Business Starter$2/user per month
  • Business$3.75/user per month

Which should you pick?

Choose Adyen if

  • You need payment processing.
  • You work on Web, Api, Pos.
  • You also want risk management.
Adyen review

Choose Keeper Password Manager if

  • You need zero-knowledge security.
  • You want to start without paying.
  • You work on Web, iOS, Android, Windows, macOS.
  • You also want password vault.
Keeper Password Manager review

Questions people ask

Is Adyen or Keeper Password Manager better?
Neither clearly leads. Adyen starts at $0.13/per-transaction and Keeper Password Manager at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Adyen or Keeper Password Manager?
Keeper Password Manager has a free tier; the other does not. Paid plans start at $0.13/per-transaction for Adyen and Free for Keeper Password Manager.
Does Adyen or Keeper Password Manager run on more platforms?
Adyen runs on Web, Api, Pos. Keeper Password Manager runs on Web, iOS, Android, Windows, macOS.
Can I use Keeper Password Manager for free?
Yes. Keeper Password Manager has a free tier, so you can try it without paying. Adyen starts at $0.13/per-transaction.
What is Adyen best used for?
Adyen is most often used for card acquiring with interchange plus pricing for larger merchants, accepting local payment methods across multiple countries, settling in several currencies through linked bank accounts, unified online and in-person payments. Of those, card acquiring with interchange plus pricing for larger merchants and accepting local payment methods across multiple countries are not what Keeper Password Manager is typically brought in for.
What can Adyen do that Keeper Password Manager cannot?
Adyen covers Payment processing, Risk management, Unified commerce, Issuing. Keeper Password Manager covers Zero-knowledge security, Password vault, BreachWatch dark web monitoring, Secure file storage.

Answered from the vendors’ own pages

Adyen: How much does Adyen charge per transaction?

Adyen charges a fixed $0.13 USD per transaction plus a variable fee based on the payment method used. Credit cards typically cost $0.13 + 0.60% + interchange, while digital wallets and BNPL options cost between $0.13 + 0.99% to $0.13 + 4.99%+, depending on the specific method and region.

Source
Keeper Password Manager: Does Keeper offer a free tier?

Keeper's free version stores only 10 passwords on a single mobile device with no cross-device sync and is effectively a trial.

Source
Adyen: Does Adyen have monthly subscription or setup fees?

No, Adyen has no setup fees or monthly recurring charges. You pay only for each transaction processed. The transaction fee structure remains the same regardless of transaction volume or business size.

Source
Keeper Password Manager: What does Keeper Business cost?

Keeper Business Starter costs $2 per user per month for 5-10 users. Keeper Business costs $3.75 per user per month for unlimited users.

Source
Adyen: What's Adyen's Interchange++ pricing option?

Adyen offers an Interchange++ transparent pricing model that passes interchange and scheme fees directly to merchants instead of bundling them into a percentage rate. This allows visibility into exact costs for each payment method.

Source
Keeper Password Manager: Does Keeper Enterprise include SSO?

Yes. Keeper Enterprise includes single sign-on capabilities along with compliance and reporting features at $6 per user per month.

Source
Adyen: Can I process payments in multiple currencies with Adyen?

Yes, Adyen supports 100+ payment methods across multiple currencies. You can link multiple bank accounts in different currencies to avoid currency conversion fees on international transactions.

Source
Keeper Password Manager: What security features does Keeper include?

Keeper uses zero-knowledge encryption where the company cannot access passwords, plus advanced features like privileged access management and session recording on Enterprise Plus.

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