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Comparison · Finance
FreeAgent vs SolidInvoice
A side-by-side editorial comparison of FreeAgent and SolidInvoice — release velocity, themes, recent moves, and the top alternatives to consider.
FreeAgent vs SolidInvoice: at a glance
What is FreeAgent?
FreeAgent is expanding beyond freelancers into landlord-specific accounting with automated rental statement processing.
FreeAgent has spent the past year layering Making Tax Digital compliance tooling—early access in September 2025, practice management tools in December, Self Assessment filing for 2025/26 in April 2026. Alongside that compliance track, it shipped a Pleo expense management integration and Fathom analytics connector to round out the financial workflow. The June 2026 launch of FreeAgent for Landlords marks the first deliberate product segment expansion beyond its core freelancer and small-business base.
What is SolidInvoice?
SolidInvoice finally shipped the 3.0 it spent a year staging in alphas and betas.
After more than twelve months of alpha and beta releases, SolidInvoice 3.0 landed in June with the accumulated work of that cycle: email verification, Google OAuth, two-factor authentication, real user profiles, flat-rate tax support and a Meilisearch-backed search layer. Underneath it, the project moved onto a shared platform config and pulled trial and SaaS logic into an external bundle. The 2.3 line ran in parallel the whole time, absorbing security backports.
FreeAgent vs SolidInvoice: editorial side-by-side
FreeAgent
0.0FINANCE
FreeAgent is expanding beyond freelancers into landlord-specific accounting with automated rental statement processing.
◆ Current state
FreeAgent has spent the past year layering Making Tax Digital compliance tooling—early access in September 2025, practice management tools in December, Self Assessment filing for 2025/26 in April 2026. Alongside that compliance track, it shipped a Pleo expense management integration and Fathom analytics connector to round out the financial workflow. The June 2026 launch of FreeAgent for Landlords marks the first deliberate product segment expansion beyond its core freelancer and small-business base.
◆ Where it's heading
FreeAgent is running two parallel tracks: deepening UK tax compliance (MTD, CIS, Self Assessment) for existing users, and opening a new market segment with a purpose-built landlord product. Automated rental statement parsing—categorising letting agent statements into structured entries—is the technical differentiator for the landlord track, not just a UI rename. If the landlord product gains traction, FreeAgent's distribution through NatWest's SME banking network becomes a significant acquisition channel.
◆ Prediction
The next move is likely native HMRC MTD for Property Income submission from within the landlord product, closing the end-to-end compliance loop for landlord customers who currently need a separate tool to file.
SolidInvoice
0.0FINANCE
SolidInvoice finally shipped the 3.0 it spent a year staging in alphas and betas.
◆ Current state
After more than twelve months of alpha and beta releases, SolidInvoice 3.0 landed in June with the accumulated work of that cycle: email verification, Google OAuth, two-factor authentication, real user profiles, flat-rate tax support and a Meilisearch-backed search layer. Underneath it, the project moved onto a shared platform config and pulled trial and SaaS logic into an external bundle. The 2.3 line ran in parallel the whole time, absorbing security backports.
◆ Where it's heading
Two threads run through this changelog. The visible one is identity and account management catching up to what users expect from a billing app — signup verification, OAuth, 2FA, self-serve company deletion. The less visible one is the codebase being restructured around reusable solidworx platform components with Sentry and Prometheus instrumentation, which is the shape of a project preparing to run itself as a hosted service rather than only as a download.
◆ Prediction
With 3.0 out and 3.0.1 already repairing the upgrade migration path, the near-term work is likely more 3.0.x stabilization for people coming off 2.3 rather than new features.
Alternatives to FreeAgent and SolidInvoice
Other Finance products tracked by Sparkpulse, ranked by recent ship velocity. Each card links to a full editorial trajectory and lets you pivot into a head-to-head comparison with either FreeAgent or SolidInvoice.
Shift4
Shift4 maintains a steady multi-product release cadence across its hospitality POS and payments stack.
Stigg
Stigg ships natural language contract management, completing its build-out as an AI-native commercial operations layer.
Intuit Intelligence
QuickBooks rebuilds its bank feed around partial matches, AI-coded fields, and a new accountant platform.
LNbits
LNbits v1.6.0 replaces Python extension security reviews with WASM sandboxing — a new distribution model for Lightning tools.
Zluri
Zluri ships canvas workflows and a Segregation of Duties engine, moving from SaaS management into full IGA territory.
See all FreeAgent alternatives → · See all SolidInvoice alternatives →
Recent activity from FreeAgent and SolidInvoice
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 2mo agoSolidInvoiceRelease 3.0.1
- 2mo agoSolidInvoiceRelease 3.0.0 ⚡
- 3mo agoFreeAgentProduct spotlight: FreeAgent for Landlords ⚡
- 3mo agoFreeAgentA game changer for landlord clients: automatically capture and categorise rental statements
- 3mo agoSolidInvoice3.0.0-beta1
- 4mo agoSolidInvoiceRelease 2.3.17
- 4mo agoFreeAgentProduct spotlight: CIS simplified
- 5mo agoFreeAgentSelf Assessment filing for 2025/26 is live in FreeAgent
- 5mo agoFreeAgentProduct spotlight: getting MTD done
- 5mo agoSolidInvoice3.0.0-alpha2
- 6mo agoSolidInvoiceRelease 2.3.16
- 6mo agoFreeAgentProduct spotlight: navigating a transformative year
Frequently asked questions
What is the difference between FreeAgent and SolidInvoice?
They serve adjacent needs but don't currently overlap on shipped themes. FreeAgent and SolidInvoice are shipping at a similar cadence (velocity 0.0 vs 0.0, both within Sparkpulse's "active" band). See the at-a-glance table above for a side-by-side breakdown of velocity, recent sparks, and editorial themes.
Is FreeAgent better than SolidInvoice?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. FreeAgent and SolidInvoice are shipping at a similar cadence (velocity 0.0 vs 0.0, both within Sparkpulse's "active" band). For your specific use case, the alternatives sections above list other Finance products to evaluate alongside.
What are the best alternatives to FreeAgent?
Top FreeAgent alternatives in Finance are ranked by recent ship velocity. Browse the "FreeAgent alternatives" section above for the current picks, or visit /alternatives/freeagent for the full list with editorial commentary on each.
What are the best alternatives to SolidInvoice?
Top SolidInvoice alternatives in Finance are ranked by recent ship velocity. Browse the "SolidInvoice alternatives" section above for the current picks, or visit /alternatives/solidinvoice for the full list with editorial commentary on each.