Best Legal Billing Software in 2026
Updated
In short: OnitX CLM is ranked #1 of 26 as of 9 October 2026, ahead of Bilr and BQE CORE. The best-ranked option with a free plan is CaseFox. The lowest first paid tier on this page is ModusBill at $1.75/mo.
Billing work at a law firm can involve time, expenses, client payments, and account management. Compared on billing models and legal time tracking, these options can also be assessed for expense tracking, trust accounting, and client portals. Client payment capabilities help clarify how firms may handle collections, while free-plan availability and paid-from pricing add cost context. OnitX CLM, Bilr, and BQE CORE are among the named options, with LawPay and LeanLaw also included. Focus on the billing practices and client-account features your firm needs, and compare the listed capabilities to see which approaches correspond to that work.
26 legal billing software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
Legal Billing Software, one module each. A lit port is something its maker publishes; 5 of the 25 on this page have a public API.
- 01 OnitX CLM API yesOSS not on recordFREE not on recordDOCS 6.8
- 02 Bilr API yesOSS not on recordFREE not on recordDOCS 6.7$33.99/mo
- 03 BQE CORE API yesOSS not on recordFREE not on recordDOCS 6.6
- 04 LawPay API yesOSS not on recordFREE not on recordDOCS 6.6$19/mo
- 05 LeanLaw API yesOSS not on recordFREE not on recordDOCS 6.6$55/mo
- 06 CaseFox API not on recordOSS not on recordFREE yesDOCS 5.8$45/mo
- 07 Aderant Expert Sierra API not on recordOSS not on recordFREE not on recordDOCS 5.4
- 08 Bill4Time API not on recordOSS not on recordFREE not on recordDOCS 5.4$49/mo
- 09 CaseConnect API not on recordOSS not on recordFREE not on recordDOCS 5.4
- 10 CosmoLex API not on recordOSS not on recordFREE not on recordDOCS 5.4$49/mo
- 11 LegalTrek API not on recordOSS not on recordFREE not on recordDOCS 5.4
- 12 PCLaw API not on recordOSS not on recordFREE not on recordDOCS 5.4
- 13 LawPractica API not on recordOSS not on recordFREE not on recordDOCS 5.3C$10/mo
- 14 Orion ePay API not on recordOSS not on recordFREE not on recordDOCS 5.3
- 15 TimeNet Law API not on recordOSS not on recordFREE not on recordDOCS 5.3$37.50/mo
- 16 LegalTime API not on recordOSS not on recordFREE not on recordDOCS 5.2€29/mo
- 17 ModusBill API not on recordOSS not on recordFREE not on recordDOCS 5.2$1.75/mo
- 18 OrdoLux API not on recordOSS not on recordFREE not on recordDOCS 5.2£50/mo
- 19 RTG Bills API not on recordOSS not on recordFREE not on recordDOCS 5.2$15.95/mo
- 20 Sage Timeslips API not on recordOSS not on recordFREE not on recordDOCS 5.2
- 21 Scan Logic BillSync API not on recordOSS not on recordFREE not on recordDOCS 5.2
- 22 Tabs3 API not on recordOSS not on recordFREE not on recordDOCS 5.2$32/mo
- 23 Time59 API not on recordOSS not on recordFREE not on recordDOCS 5.2$16.58/mo
- 24 TimeSolv API not on recordOSS not on recordFREE not on recordDOCS 5.1
- 25 BusyLamp API not on recordOSS not on recordFREE not on recordDOCS 4.9
Compare all 25 in a table
| # | Platform | Score | Free plan | From | Free plan | Paid from | Trust accounting | Legal time tracking |
|---|---|---|---|---|---|---|---|---|
| 1 | OnitX CLM | 6.8 | No | — | — | — | — | Yes |
| 2 | Bilr | 6.7 | No | $33.99/mo | No | 33.99 /user/mo | Yes | Yes |
| 3 | BQE CORE | 6.6 | No | — | — | — | — | — |
| 4 | LawPay | 6.6 | No | $19/mo | No | — | — | — |
| 5 | LeanLaw | 6.6 | No | $55/mo | No | 55 /user/mo | — | — |
| 6 | CaseFox | 5.8 | Free plan | $45/mo | Yes | 45 /user/mo | — | — |
| 7 | Aderant Expert Sierra | 5.4 | No | — | — | — | Yes | Yes |
| 8 | Bill4Time | 5.4 | No | $49/mo | Yes | 39 /user/mo | — | — |
| 9 | CaseConnect | 5.4 | No | — | — | — | Yes | Yes |
| 10 | CosmoLex | 5.4 | No | $49/mo | No | 49 /user/mo | Yes | — |
| 11 | LegalTrek | 5.4 | No | — | — | — | — | Yes |
| 12 | PCLaw | 5.4 | No | — | — | — | Yes | — |
| 13 | LawPractica | 5.3 | No | C$10/mo | No | — | Yes | Yes |
| 14 | Orion ePay | 5.3 | No | — | — | — | — | — |
| 15 | TimeNet Law | 5.3 | No | $37.50/mo | No | 37.5 /user/mo | — | — |
| 16 | LegalTime | 5.2 | No | €29/mo | No | — | — | Yes |
| 17 | ModusBill | 5.2 | No | $1.75/mo | No | 21 /user/mo | — | — |
| 18 | OrdoLux | 5.2 | No | £50/mo | No | — | Yes | Yes |
| 19 | RTG Bills | 5.2 | No | $15.95/mo | No | 15.95 /user/mo | Yes | Yes |
| 20 | Sage Timeslips | 5.2 | No | — | No | — | Yes | Yes |
| 21 | Scan Logic BillSync | 5.2 | No | — | — | — | — | — |
| 22 | Tabs3 | 5.2 | No | $32/mo | No | 69 /user/mo | Yes | — |
| 23 | Time59 | 5.2 | No | $16.58/mo | No | — | Yes | Yes |
| 24 | TimeSolv | 5.1 | No | — | No | — | — | — |
| 25 | BusyLamp | 4.9 | No | — | — | — | — | Yes |
Is your platform on this list?
Numbered spots on this list can be sponsored, and a sponsored row is labelled as paid.
Questions about this list
Which legal billing software is ranked first on Inferse?
OnitX CLM is ranked #1 of 26 with a score of 6.8. Bilr is second and BQE CORE third.
How many of these have a free plan?
1 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, ModusBill has the lowest first paid tier we found: $1.75/mo.
How is this list ranked?
Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it.