Attorneys shopping for billing software eventually land on the same two names outside the big three (Clio, MyCase, PracticePanther): TimeSolv and Bill4Time. Both have been around since the mid-2000s, both are dedicated time-and-billing tools rather than full practice management suites, and both get pitched as "the affordable alternative" — which makes the actual differences easy to miss if you're comparing marketing pages instead of the products.
The distinction that matters isn't features on a checklist — both track time, generate invoices, and handle trust accounts. It's where each product draws its line between "billing software" and "practice management software," and what that costs you as your firm scales past a few users. TimeSolv leans hard into billing precision: LEDES e-billing for insurance defense and corporate clients, trust accounting as a standard feature rather than an upsell, and granular time-entry controls built for firms that get their invoices scrutinized. Bill4Time leans toward bundling: matter management, a client portal, and document handling sit closer to the base plan, at the cost of gating trust accounting and phone support behind higher tiers.
This comparison is based on current published pricing, vendor documentation, and third-party trial data as of September 2026. Pricing tiers and feature gates change — verify current numbers on each vendor's site before signing, but the structural differences below (what's core vs. add-on, who each tool was actually built for) are stable and worth understanding before you buy.
Side-by-Side Comparison
| Feature | TimeSolv | Bill4Time |
|---|---|---|
| Feature | TimeSolv | Bill4Time |
| Starting price | $34.95/user/mo (Legal plan, annual) | $39/user/mo (Time & Billing, annual) |
| Free trial | Yes | Yes |
| Mobile app | Yes | Yes |
| Time tracking | Strong | Strong |
| Client portal | Yes | Yes |
| Integrations | 20+ integrations | 15+ integrations |
| Document storage | Included | Included |
| Support | Phone+chat | Chat only (phone on higher tiers) |
Trust Accounting: Standard Feature vs. Tier Gate
This is the single biggest structural difference between the two products, and it matters more than any pricing comparison. TimeSolv builds trust accounting — IOLTA compliance, unlimited trust accounts, three-way reconciliation — into its Legal plan, which is the realistic entry point for any firm actually holding client funds. You're not paying extra to stay compliant.
Bill4Time takes the opposite approach. Its entry-level Time & Billing plan is billing-only; trust accounting and IOLTA reconciliation require stepping up to Legal Pro or higher, which roughly doubles the per-user cost. For a solo practitioner who never touches a retainer, that's a non-issue. For anyone doing PI, family law, or estate work — where trust accounting isn't optional, it's a bar requirement — the "starting price" on Bill4Time's marketing page is misleading. Price out the plan that actually meets your ethical obligations before comparing numbers.
Billing Depth: LEDES, UTBMS, and Insurance Defense Work
TimeSolv was built by and for firms that answer to outside counsel guidelines. It supports LEDES e-billing formats and UTBMS task/activity codes natively, which matters if you do insurance defense, corporate panel work, or any billing relationship where a client's e-billing system rejects non-compliant invoices automatically. Narrative replacement codes and multiple concurrent timers per matter round out a toolset clearly built around getting complex bills approved on the first submission.
Bill4Time's invoicing is competent and customizable — editable prebills, one-click timers, online payment collection — but it doesn't target the LEDES/UTBMS compliance case specifically. If your billing relationships are direct-to-client (flat fee, contingency, or straightforward hourly), this gap won't affect you. If you bill corporate or insurance clients who mandate e-billing standards, TimeSolv is the safer default and Bill4Time will require workarounds.
Practice Management: Where Bill4Time Pulls Ahead
Flip the lens to matter management and Bill4Time earns its position. It bundles matter management and a client portal into its core product in a way that reads more like light practice management than pure billing — useful if you don't want to run a separate system for case organization. TimeSolv is more narrowly a billing and time-tracking tool; document management and reporting exist, but the product doesn't try to be your case management system.
Neither is a substitute for a full practice management platform (Clio, MyCase) if you need court-date calendaring, conflict checks across large client bases, or deep document automation. But if your firm is small enough that "billing tool plus a client portal" covers your actual workflow, Bill4Time's bundling saves you from buying a second system.
Total Cost as You Scale
Both vendors offer volume discounts, but the effective cost gap widens once you factor in which tier you actually need. A five-attorney firm needing trust accounting on TimeSolv stays on one plan; the same firm on Bill4Time needs Legal Pro or Enterprise tiers to get the same compliance features, pushing per-user cost from the low $30s toward $59-69/user/month. Run the comparison on the plan that matches your compliance requirements, not the plan listed first on the pricing page — that's where the two products' advertised starting prices stop telling the real story.
Who Should Choose Each
Choose TimeSolv if you…
- Insurance defense or corporate panel attorneys who need LEDES/UTBMS-compliant e-billing to get invoices approved
- Any firm holding client trust funds that wants IOLTA compliance included at the entry tier, not gated behind an upsell
- Firms migrating off a legacy billing system (Timeslips, Juris) that need granular time-entry controls and narrative editing
- Multi-attorney firms billing complex matters who need multiple concurrent timers and detailed audit trails
- Firms that prioritize billing accuracy and compliance depth over bundled case-management features
Choose Bill4Time if you…
- Solo practitioners or very small firms that want a client portal and light matter management without buying a second system
- Firms on flat-fee or contingency models that never touch trust accounting and don't need the compliance depth
- Attorneys who want editable prebills and a simpler day-to-day invoicing workflow over billing-format compliance
- Firms prioritizing an all-in-one feel (billing + matters + portal) at the entry tier over specialized billing depth
- Practices willing to step up a pricing tier for trust accounting in exchange for bundled practice-management features elsewhere
Final Verdict
TimeSolv wins the overall comparison because it treats trust accounting and billing compliance — the two things a law firm can least afford to get wrong — as standard features rather than upsells, and because its LEDES/UTBMS support makes it the safer choice for anyone billing corporate or insurance clients. That specificity is also its limit: firms that want case management bundled in will find TimeSolv narrower than they'd like.
Bill4Time is the right call for a specific, common profile: a solo or small firm that wants a client portal and basic matter organization without adding a third system, and that either doesn't need trust accounting or is willing to pay for a higher tier to get it. If your firm holds client funds and doesn't already know it needs the Legal Pro tier, price that plan first — not the advertised base price. For everyone else weighing "which wins," default to TimeSolv unless bundled practice management is the deciding factor for your workflow.
Sources: - [TimeSolv Pricing Plans](https://www.timesolv.com/pricing/) - [TimeSolv Pricing 2026 | G2](https://g2.com/products/timesolv/pricing) - [Bill4Time Pricing 2026 | Capterra](https://www.capterra.com/p/212371/Bill4Time/pricing/) - [TimeSolv vs. Bill4Time: Which One Is Right for You?](https://www.timesolv.com/resources/blog/timesolv-vs-bill4time/) - [TimeSolv vs. Bill4Time: The Best Bill4Time Alternative](https://www.timesolv.com/compare/bill4time-vs-timesolv/) - [Bill4Time vs TimeSolv Legal Billing Comparison (2026) | GetApp](https://www.getapp.com/finance-accounting-software/a/bill4time/compare/timesolv-legal-billing/) - [TimeSolv vs Bill4Time 2025 Comparison | FinancesOnline](https://comparisons.financesonline.com/timesolv-vs-bill4time)