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Osu vs SimpleTax: Which Is Better Accounting Software?


Last Updated: 20 May 2025
Reviewed By: Ian Wright (Managing Director)

Which accounting software is better Osu or SimpleTax?

We compare them based on real user reviews, prices and what features they both offer.

Osu homepageSimpleTax homepage
 

Osu vs SimpleTax Basics

OsuSimpleTax
Software WebsiteOsu WebsiteSimpleTax Website
HMRC MTD StatusNot IncludedNot Included
Who Can Use It?Accountants and Self-employedLandlords, Individuals, and Self-employed
HMRC Listed FeaturesSelf-employed individuals and freelancersSelf employed and landlord record keeping, receipt scanning
PlatformsMobile and webiPhone, iPad, Android and Web
Note data for this section comes from HMRC here and here

Osu vs SimpleTax Reviews

Wondering if Osu or SimpleTax has better user reviews. We compared them below.

OsuSimpleTax
Trustpilot Rating4.54.6
Number of Trustpilot Reviews491563
iPhone App RatingNo RatingNo Rating
Number of iPhone ReviewsNo ReviewsNo Reviews
Android App RatingNo RatingNo Rating
Number of Android ReviewsNo ReviewsNo Reviews
Please note ratings we’re accurate at the time of writing but may have since changed

Osu vs SimpleTax Prices

Which is cheaper Osu or SimpleTax? Here are their prices compared.

Osu pricingSimpleTax pricing

Free Plans & Trials

OsuSimpleTax
Free Plan?YesNo
Free Trial?NoYes
Free Trial Length?NoNo
Data taken from each company’s website at the time of writing but may have since changed.

Paid Plan Prices

OsuSimpleTax
Cheapest Plan Cost Per Month£0.00£4.59
Mid-Tier Plan Cost Per Month£13.99£6.50
Top Plan Cost Per Month£25.99£7.00
Data taken from each company’s website at the time of writing but may have since changed.

Osu vs SimpleTax Features

Osu featuresSimpleTax features

Osu Basic Features

  • Unlimited Payment requests /mo
  • Payment limit /mo – £1,000
  • Invoices /mo – 10
  • Payment reminders /mo – 25
  • CRM contacts – 100
  • Instant payments
  • Direct settlement
  • Zero transaction fees
  • Professional invoicing
  • Invoice itemisation
  • Invoice download
  • Booking and scheduling
  • Daily schedule view
  • Customer payment widget
  • Business customisation
  • Logo upload
  • Automated reminders
  • Payment push notifications
  • Client notes
  • In-app communications
  • PayPal integration
  • Stripe integration
  • 24/7 customer support

Osu Software Integrations

  • PayPal
  • Stripe

SimpleTax Basic Features

  • Free Support
  • 100+ Tax Savings Tips
  • Submit Directly to HMRC
  • Self Employment (SA103)
  • Property (SA105)
  • Residency (SA109)

SimpleTax Software Integrations

  • Xero
  • FreeAgent
  • FreshBooks
  • SumUp

Common Feature Comparison

OsuSimpleTax
Payroll Software IntegrationNoYes
Track VATNoYes
VAT FilingNoYes
Real-Time Financial ReportsNoYes
Prepare Self AssessmentNoYes
Income Tax EstimatesNoYes
Manage Income & ExpensesYesYes
Create InvoicesYesYes
Forecast Cash FlowNoNo
Accept and Make Payments In Different CurrenciesNoNo
Employee Time TrackingYesNo
ProjectsNoNo
Bank Feed IntegrationYesNo
End of Year FilingsNoYes
Capture Bills And ReceiptsYesYes
Bulk Reconcile TransactionsNoNo
Track Inventory & Stock LevelsNoNo

OsuSimpleTax
Pros
  • Free plan
  • Automatically issues an invoice with your business details and logo
  • Automatically extracts the data
  • Very simple to use
  • Support was quick and easy
  • Very clear pages with clear prompts
  • Ability to automatically fill in tax return
Cons
  • No app
  • Low review score
  • Support team
  • Doesnt have many choices for expenses
  • User interface could be more customisable
  • Glitches on the tax calculations

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