A consultancy can collect accurate hours and still spend days preparing invoices. Project codes have changed, a client disputes a category, an approved entry was edited, and a rounding rule produces different totals in two reports. The useful comparison follows time all the way into a reviewed billing record.
Evaluate Harvest around the time-to-invoice path and Toggl around time capture, reporting, and its current planning offering. Build a custom layer when scope categories, approvals, or billing handoffs create repeated reconciliation. A timer alone is rarely the most valuable thing to rebuild.
Compare the path from entry to billing
Official sources were reviewed September 26, 2026. Both vendors' current packaging needs care: Harvest's live pricing uses Teams/Enterprise, while some support documentation still lists older plans; Toggl's pricing page contains several billing/product presentations. The table avoids treating a legacy price as a current quote.
| Requirement | Harvest | Toggl Track / current Toggl offering | Build your own |
|---|---|---|---|
| Main evaluation | Time, team reporting, invoicing, and accounting/payment integrations. Harvest pricing | Time tracking with planning, capacity, and reporting. Toggl current pricing | Approved work categories connected to downstream billing. |
| Price basis | Teams starts at US$9/seat/month annually; Enterprise at US$14. Harvest pricing | Per-user plans; confirm product, interval, and currency in checkout. Toggl current pricing | Implementation, retained tools, integration, and ongoing support. |
| Cost beyond seats | Pricing explicitly adds usage charges for additional invoices, projects, clients, and tasks. Harvest pricing | Confirm the exact features and terms for the selected offering. Toggl current pricing | Meter provider/API costs and maintenance time. |
| Invoice workflow | Teams lists invoicing and accounting/payment connections. Harvest pricing | Test your invoice/accounting handoff explicitly. | Keep accounting and payments authoritative. |
| Approval | Enterprise lists timesheet approvals. Harvest pricing | Premium lists approvals; 2.0 documentation describes review and locking. Toggl current pricing Toggl 2.0 timesheet approvals | Freeze approved periods and preserve adjustments. |
| Change visibility | Enterprise lists an activity log. Harvest pricing | Approval workflow includes requesting changes or declining. Toggl 2.0 timesheet approvals | Record original entry, adjustment, author, and reason. |
| Rounding | Validate the selected report/invoice behavior with examples. | Rounding can apply per entry or after grouping. Toggl rounding | Define the rule once and preserve raw duration. |
| Exports | Time, invoices, expenses, and other records have distinct export paths. Harvest export documentation | Reporting supports summary and detailed exports. Toggl reporting | Export raw, approved, adjusted, and billed totals separately. |
| Export permissions | Administrators, managers, and members have different data scope. Harvest export documentation | Test the actual role and workspace access. | Apply the same authorization to billing reports and downloads. |
| Best custom boundary | Reconcile approved time with engagement scope. | Connect captured time to project codes and billing policy. | Own translation and review, not every capture client. |
Harvest's “starting from” price is not an unlimited usage promise. Its current pricing explicitly identifies additional billable usage categories. Ask for a worked example using your actual project, client, task, and invoice counts. A comparison using only seat count would omit part of the published pricing model. Harvest pricing
Toggl's current page combines time tracking and planning language and several price presentations. Obtain a checkout or written quote for the precise offering you intend to buy. This is a more useful procurement step than repeating an old Track plan table without verifying which product it describes. Toggl current pricing
Preserve raw time and billing decisions separately
A time entry should identify the person, engagement, work category, interval or duration, and relevant note. Billing may add a rate, rounding rule, approved scope category, and invoice allocation. Keep those decisions separate from the original record so a reviewer can explain how raw time became a charge.
Rounding is a concrete example. Toggl documents rounding individual entries or grouped totals, which can produce different results. Three small entries rounded separately are not necessarily equivalent to their combined duration rounded once. Agree on the contractual rule and test it with actual examples. Toggl rounding
Project-code changes need similar care. If a client reorganizes work categories, decide whether the new mapping applies prospectively or rewrites historical reporting. Keep a mapping version or effective date when the distinction matters. An invoice should remain explainable after the current project name changes.
Test the full accounting handoff
| Case | Required behavior | Reconciliation evidence |
|---|---|---|
| Employee submits a period | Reviewer sees the relevant scope and exceptions. | Submitted total equals the underlying entries. |
| Entry changes after approval | Adjustment is explicit or the period is reopened. | Original and revised totals remain explainable. |
| Several short entries are rounded | One documented rounding policy is applied. | Raw minutes and billable result can be reproduced. |
| Project code changes | Historical mapping is preserved where required. | Old invoice lines still trace to the original work. |
| Fixed-fee work exceeds estimate | Actual time remains visible without automatically becoming a charge. | Cost analysis is separated from invoice entitlement. |
| Export is sent twice | Accounting does not receive duplicate billable records. | Stable batch IDs and accepted-record reconciliation. |
Include overlapping entries, a mistaken project, a late correction, and a partially billed engagement. Reconcile by person, project, day, and billing period. A matching grand total can hide one client's hours assigned to another client.
Ask both the employee and the billing reviewer to explain a correction. If only the administrator understands the history, the process is not ready for broad adoption. Approval should establish a reliable handoff, not create an opaque locked period that staff work around in email.
A custom layer can retain the capture tool
Keep a timer that employees already trust. Desktop/mobile capture, calendar links, interrupted sessions, and reliable synchronization are meaningful product capabilities. A custom service can import entries, map them to active engagements, enforce review rules, and prepare a consistent accounting export.
Use stable source entry IDs and a synchronization cursor. Handle edits and deletions explicitly; do not assume every import is append-only. Reconcile periodically and make conflicts visible. Preserve enough source metadata to locate the original record without copying unrelated employee information.
Retain accounting, tax, payments, and payroll in established systems. This comparison concerns operational time and billing workflows, not legal advice about payroll or employment records. Where time records have contractual or regulatory significance, have the appropriate owner establish the policy before implementing it.
Avoid adding covert monitoring under the banner of time tracking. The product should help people record and explain work. Recorded duration is not a direct measure of quality, and a profitability report needs the correct rates and scope assumptions to mean anything.
Price the reconciliation, not just the stopwatch
Compare the relevant plan, usage, integrations, administrative work, and migration over the same horizon. For a custom layer, add engineering, support, provider changes, monitoring, and correction handling. Count saved billing preparation time separately from any claimed increase in billable revenue.
Harvest documents several export routes and role-dependent visibility. Use a representative export that includes time, invoices, and any relevant adjustments rather than assuming one CSV contains the whole business record. Toggl's reporting and approval tools should be tested in the same way. Harvest export documentation Toggl reporting Toggl 2.0 timesheet approvals
Choose Harvest when its configured time-to-invoice path matches the business and the complete quote is acceptable. Choose Toggl when its capture/reporting/planning model fits and the downstream handoff is manageable. Build when a specific translation or approval policy remains expensive, while retaining the mature capture and financial systems that already work.
Frequently asked questions
Should we build a custom timer?
Usually only if capture itself is the demonstrated problem. A reconciliation and approval layer over an existing timer may deliver the main benefit with far less scope.
What would a first custom time and project workflow include?
Connect time entries to active engagements and approved work categories. Add review periods, correction history, and a clear export into the existing billing process. Keep the original entry and adjustment separate so staff can explain what changed after a reporting period was closed.
How should we compare the cost of Harvest, Toggl Track, and a custom build?
Count time-entry friction and billing reconciliation along with licenses. For custom work, include integration maintenance and support for corrections after a period closes. Compare the same scope and planning horizon, including implementation, retained services, maintenance, and support. A lower subscription bill alone does not establish a lower total cost.