CSG vs Wave: Which Billing & Invoicing Is Better in 2026?
Compare pricing, features, integrations, verified reviews, AI capabilities, security, and customer satisfaction, side by side, with no marketing spin.
The Short Answer
CSG vs Wave, in 15 seconds
Choose CSG if…
- You want to trial before paying
Choose Wave if…
- You want the lower entry price
- You need a genuinely free plan
- You depend on a broad integration ecosystem
- You have strict security & compliance needs
Head-to-Head Scorecard
How CSG and Wave score
Wave leads on 4 of 9 measured dimensions.
- Even
Customer Rating
Average score from verified user reviews
CSGNo reviewsWaveNo reviews - Even
Review Volume
Number of verified reviews, a proxy for adoption
CSG0Wave0 - Wave
Entry Pricing
Lowest published starting price (free plan = lowest)
CSGCustomWave$0/mo - Even
Free Access
Availability of a free plan and/or free trial
CSGFree trialWaveFree plan - Wave
Integrations
Number of listed third-party integrations
CSG6Wave7 - Wave
Features
Number of listed product capabilities
CSG8Wave11 - Even
AI Features
Capabilities mentioning AI, automation or ML
CSG,Wave, - Wave
Security & Compliance
Number of listed compliance certifications
CSG2Wave3 - Even
Platforms & Deployment
Supported platforms and deployment options
CSG4Wave4
Feature Comparison
CSG vs Wave feature breakdown
Search or filter the full feature matrix, core features, AI, integrations, APIs, security and compliance.
CSG
WavePricing Comparison
CSG vs Wave pricing
Entry pricing, plan tiers and the cost factors that shape total cost of ownership.
CSG
Custom to start- Integrations
- billing and charging
- Standard support
- payments
- customer journey
- Everything in Professional
- monetization
- Advanced security and controls
Wave
$0/mo to start- Unlimited invoices & estimates
- Income & expense tracking
- Double-entry accounting
- Financial reports
- Automatic bank imports
- Unlimited collaborators
- Removes Wave branding
- Auto-categorization
- Accept card & bank payments
- Per-transaction pricing
- Faster payment
- Auto-recorded in books
- Run payroll
- Direct deposit
- Tax handling (select regions)
- Employee self-service
Total cost of ownership factors
Beyond list price, factor in implementation, training, add-ons and per-seat scaling when estimating total cost of ownership.
Pros & Cons
CSG vs Wave: strengths and trade-offs
CSG
Pros
- Free trial offered
- Compliance: SOC 2, ISO 27001
- Public API available
Cons
- No free plan
- Pricing is quote-based (less transparent)
- Fewer native integrations than the alternative
Wave
Pros
- Free plan available
- Broad integration ecosystem (7)
- Compliance: SOC 2 Type II, GDPR, PCI DSS
Cons
Buyer Fit
Who should use CSG vs Wave?
Startups
Wave
Wave keeps early-stage costs lowest with its entry tier.
Small businesses
Wave
Wave offers the most accessible pricing for lean teams.
Agencies
Wave
Wave connects to more tools for multi-client workflows.
Enterprises
Wave
Wave leads on compliance and breadth for complex needs.
Ecommerce
Wave
Wave integrates with more of the commerce stack.
SaaS companies
CSG
CSG is the more developer- and automation-friendly choice.
Integration overlap
Only in CSG (6)
Only in Wave (7)
Keep Exploring
Other alternatives worth considering
Similar billing & invoicing products buyers compare alongside CSG and Wave.
Ask SIA which solution fits your business
SIA, Saaskart's AI buying assistant, weighs CSG and Wave against your team size, budget, integrations and compliance needs, then recommends the right fit and the questions to ask each vendor.
Get a personalised recommendationCSG vs Wave, Frequently Asked Questions
What is the difference between CSG and Wave?
CSG and Wave are both Billing & Invoicing solutions. CSG is rated 0.0/5 by 0 users, while Wave is rated 0.0/5 by 0 users. The main differences lie in pricing, features, and target audience.
Which is better, CSG or Wave?
Based on user ratings, CSG scores higher at 0.0/5. The best choice depends on your team size, budget, and specific requirements.
Which is cheaper, CSG or Wave?
Wave is the more affordable option, starting at $0/month.
Does CSG or Wave have a free plan?
Wave offers a free plan. CSG does not have a free tier but does offer a free trial.
Can I switch from CSG to Wave?
Switching between CSG and Wave is possible. Both support data export. Check integration compatibility and plan for data migration to minimise disruption to your team.
Who should use CSG vs Wave?
CSG is best suited for teams that prioritise enterprise features. Wave works well for teams looking to start free and scale.
Our Verdict
The bottom line on CSG vs Wave
Best Overall
Either
It's a tie balances user satisfaction and proven adoption.
Best for Startups
Wave
Wave has the friendliest entry point for new teams.
Best for Enterprise
Wave
Wave leads on compliance and feature breadth.
Best Value
Wave
Wave delivers the lowest cost to get started.
Best AI Features
Either
Comparable AI capabilities on both sides.
Highest Rated
Either
Both earn equal user ratings.