Softwr

Accounting & Finance · head to head

Pleo vs Slack

Pleo logo

Pleo

Accounting & Finance

Smart company cards for forward-thinking teams

From
£9.5/month
Rated
-
Full reviewWebsite
Slack logo

Slack

All industries

Where work happens

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Slack has a free tier, so it costs nothing to try first.
  • Each has a real cost: Pleo card delays and transaction limits impact usability, with limited regional acceptance in some areas; Slack 90-day message history limit on free plan results in important conversations disappearing
  • They diverge on capability: Pleo covers Company cards, Slack covers Channels.

Where they differ

Only the attributes on which Pleo and Slack actually diverge.

Attributes where Pleo and Slack differ
AttributePleoSlack
Starting price£9.5/monthFree
Free tierNoYes
PlatformsiOS, Android, WebWeb, iOS, Android, macOS, Windows, Linux
CategoryAccounting & FinanceAll industries
Founded20152009

Identical on both: pricing model (Unknown), 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 Pleo

  • Company cards
  • Receipt capture
  • Expense categorization
  • Spend limits
  • Accounting sync
  • Xero
  • QuickBooks
  • Sage

Only in Slack

  • Channels
  • Direct messaging
  • Voice & video calls
  • Screen sharing
  • File sharing
  • Search
  • Workflow builder
  • Slack Connect

What people use each for

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

Pleo

  • Employee expensesnot Slack
  • Spending autonomynot Slack
  • Expense automationnot Slack

Slack

  • Team communicationnot Pleo
  • Project coordinationnot Pleo
  • Customer supportnot Pleo
  • Remote worknot Pleo
  • Cross-functional collaborationnot Pleo

Where each one falls short

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

Pleo

  • Card delays and transaction limits impact usability, with limited regional acceptance in some areas
  • Receipt capture OCR inaccuracies and upload lag/glitches complicate expense categorization
  • Limited expense categories and tags reduce flexibility for complex accounting structures
  • Transaction approval workflows have minimal customization options
  • Lacks in-built forecasting tools and reporting is basic, providing limited insights into trends

Slack

  • 90-day message history limit on free plan results in important conversations disappearing
  • Per-user pricing becomes expensive quickly for larger teams
  • Notification overload with 78% of employees feeling overwhelmed by notifications
  • Mobile app performance issues including lag and slow syncing
  • Huddles limited to 50 people and cannot be recorded
  • Requires dedicated video conferencing service for formal meetings and webinars

Pricing, plan by plan

Pleo

£9.5/month
  • Starter$9.5/month
    • Company cards
    • Real-time expense tracking
    • Automated reports
  • Essential$39/month
    • Reimbursements
    • Mileage and per diem
    • Vendor cards
  • Advanced$89/month
    • Cashback
    • Budgets
    • Multi-entity management
  • Beyond$179/month
    • Spending insights
    • Sub-wallets
    • Dedicated success manager

Slack

Free

No published plan breakdown. See the Slack review.

Which should you pick?

Choose Pleo if

  • You need company cards.
  • You work on iOS, Android, Web.
  • You also want receipt capture.
Pleo review

Choose Slack if

  • You need channels.
  • You want to start without paying.
  • You work on Web, iOS, Android, macOS, Windows, Linux.
  • You also want direct messaging.
Slack review

Questions people ask

Is Pleo or Slack better?
Neither clearly leads. Pleo starts at £9.5/month and Slack at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Pleo or Slack?
Slack has a free tier; the other does not. Paid plans start at £9.5/month for Pleo and Free for Slack.
Does Pleo or Slack run on more platforms?
Pleo runs on iOS, Android, Web. Slack runs on Web, iOS, Android, macOS, Windows, Linux.
Can I use Slack for free?
Yes. Slack has a free tier, so you can try it without paying. Pleo starts at £9.5/month.
What is Pleo best used for?
Pleo is most often used for employee expenses, spending autonomy, expense automation. Of those, employee expenses and spending autonomy are not what Slack is typically brought in for.
What can Pleo do that Slack cannot?
Pleo covers Company cards, Receipt capture, Expense categorization, Spend limits. Slack covers Channels, Direct messaging, Voice & video calls, Screen sharing.

Answered from the vendors’ own pages

Pleo: What are Pleo's pricing tiers?

Pleo offers four pricing tiers: Starter (GBP 9.50/month), Essential (GBP 39.00/month), Advanced (GBP 89.00/month), and Beyond (GBP 179.00/month). Annual billing provides equivalent of two free months.

Source
Slack: Does Slack have a free plan?

Yes, Slack offers a free plan indefinitely with no credit card required. Free users get 90-day message history, up to 10 app integrations, and 1:1 huddles.

Source
Pleo: Does Pleo have a free tier?

No, Pleo does not offer a free tier or permanent free plan. All plans require payment with a free trial available for evaluation.

Source
Slack: What are Slack's pricing plans?

Slack offers Free, Pro ($7.25/user/month with annual billing), Business+ ($12.50/user/month), and Enterprise Grid (custom pricing). Monthly billing costs approximately 20% more than annual.

Source
Pleo: What integrations does Pleo support for accounting?

Pleo integrates directly with Xero and QuickBooks, plus Sage 200, Sage 50, Microsoft Dynamics 365 Business Central, Datev, and Visma e-conomic. Zapier integrations are also available.

Source
Slack: Does Slack support offline use?

Slack is a cloud-based platform and does not support robust offline work. Internet connectivity is required to access messages and collaborate.

Source
Pleo: What platforms can access Pleo?

Pleo is accessible via iOS and Android mobile apps, and through a web interface. Physical and virtual cards are issued for spending.

Source
Slack: What integrations does Slack support?

Slack integrates with 43+ apps on average per team, including Google Drive, ChatGPT, Vercel, Asana, GitHub, and many others through their app marketplace.

Source
Pleo: Does Pleo support multiple currencies?

Yes, Pleo supports multi-currency spending and transactions. The platform is particularly strong for European teams with local payment methods.

Source
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