Home / Compare / Solas vs Xero

Solas vs Xero

Xero’s cheapest useful plan is £16/month — and it caps you at 20 invoices. Multi-currency costs £50/month. Mileage? Also £50/month. Solas gives you all of it free.

Solas

£0

Free forever

Xero Simple

£7/mo

MTD only, 10 invoices

Xero Ignite

£16/mo

20 invoices, no multi-currency

Xero Grow

£37/mo

Unlimited invoices

Features Solas gives free that Xero paywalls or doesn’t offer

Unlimited Invoicing

Send as many invoices as you need. No caps, no tier upgrades.

Solas: Free, unlimited
Xero: 20/mo on Ignite (£37/mo for unlimited)

Multi-Currency Invoicing

Invoice in GBP, USD, or EUR without paying for a higher plan.

Solas: Free
Xero: £50/mo (Comprehensive)

Mileage Tracking

Intelligent distance calculation, one-tap trip templates, HMRC rates applied automatically.

Solas: Free
Xero: £50/mo or £2.50/mo add-on

Real-Time Tax Estimates

See your estimated Income Tax and NIC liability at any time.

Solas: Free
Xero: Not available at any price

Capital Allowances (AIA)

Track equipment, apply Annual Investment Allowance, manage disposals.

Solas: Free
Xero: Not available

Mobile HMRC Filing

Submit quarterly ITSA updates, VAT returns, and year-end declarations from your phone.

Solas: Free
Xero: Desktop only

Full feature-by-feature comparison

Every feature, side by side. Green means included free. Red means missing entirely.

Unlimited invoicing

SolasFree
Competitor£37/mo (Grow)

Quotes with one-tap convert to invoice

SolasFree
Competitor£16/mo (Ignite)

Quote portal (client accept/decline)

SolasFree
CompetitorN/A

Multi-currency invoicing

SolasFree (GBP, USD, EUR)
Competitor£50/mo (Comprehensive)

Client portal + view tracking

SolasFree
CompetitorN/A

Invoice ‘seen’ indicator

SolasFree
CompetitorN/A

Receipt OCR (unlimited)

SolasFree
Competitor£7/mo (Hubdoc, all plans)

AI receipt categorisation

SolasFree
Competitor£7/mo (basic suggestions)

Agentic classification (LLM)

SolasFree
CompetitorN/A

Mileage tracking (HMRC rates)

SolasFree
Competitor£50/mo or £18.50/mo + add-on

Intelligent mileage logging

SolasFree
CompetitorN/A

WFH deduction calculator

SolasFree
CompetitorN/A

Real-time tax estimates (IT + NIC)

SolasFree
CompetitorN/A

Capital allowances (AIA)

SolasFree
CompetitorN/A

Loss carry-forward management

SolasFree
CompetitorN/A

Equipment tracking wizard

SolasFree
CompetitorN/A

MTD for Income Tax (quarterly)

SolasFree
Competitor£7/mo (Simple)

MTD for VAT filing

SolasFree
Competitor£16/mo (Ignite)

BSAS adjustments via HMRC API

SolasFree
CompetitorN/A

Loss claims via HMRC API

SolasFree
CompetitorN/A

Year-end guided wizard

SolasFree
CompetitorN/A

File taxes from mobile

SolasFree
CompetitorNot available — desktop only

AI tax assistant (legislation search)

SolasFree (10/mo)
Competitor£7/mo (JAX, all plans)

Agent learns your patterns

SolasFree
CompetitorN/A

Double-entry bookkeeping

SolasFree
Competitor£7/mo (Simple)

Balance Sheet & P&L

SolasFree
Competitor£7/mo (Simple)

Bank sync (Open Banking)

SolasFree
Competitor£7/mo (Simple, unlimited)

Biometric app lock

SolasFree
CompetitorN/A

Offline mode

SolasFree
CompetitorN/A

Recurring invoices

SolasN/A
Competitor£7/mo (Simple) ✓

Integration ecosystem (1,000+ apps)

SolasN/A
Competitor£7/mo ✓

Payroll add-on

SolasN/A
Competitor£65/mo or add-on ✓

Why pay £444/year for unlimited invoices when Solas gives them free?

Plus features Xero doesn’t offer at any price: real-time tax estimates, capital allowances, mobile HMRC filing, and more.

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