An allowance, not just a repeating fee.
On Pro and Team, track included hours by period, carry unused time within your cap and choose whether the extra hours should be invoiced.
Compare BillGrid vs Invoice Ninja
Ongoing work. More than a recurring invoice.
Keep the retainer allowance, signed scope and extra-work decision together. BillGrid Pro is $10 a month; hosted Invoice Ninja Pro with DocuNinja is $20 a month for one person. Compare the service workflow behind the invoice, as well as the subscription.
No card neededFree for three active clients and three documents a monthPro from $10/month
The BillGrid advantage
Keep the promise. Know what to bill.
Signed terms without a signing add-on.
Send the agreement on its own or with an estimate. The client confirms their signing email with a code. BillGrid has no additional e-signature subscription; DocuNinja adds $6 per user to hosted Pro or Enterprise.
A clear place to grow.
Pro includes unlimited clients, projects and invoices at $10 a month, or $8 a month billed yearly. Team includes three people for $25 a month.
What you would use every day
The client agreement. The work behind the invoice.
If you sell ongoing design, consulting or support, the monthly fee is only part of the story. Keep what is included and what comes next clear.
Retainers on Pro and Team
See the hours the fee includes.
Here, $3,000 a month includes 20 hours. November has 14 hours left; October’s extra 2.5 hours leave a $375 decision. On Pro and Team, keep the period history, cap unused-hours carry-over and choose whether to invoice extra work.
- Invoice Ninja
- Invoice Ninja includes recurring fee invoices and auto-billing even on Free. BillGrid’s example shows the service allowance behind the fee: included hours, capped carry-over and a decision on extra billing.
Estimates
Agree the scope before the work starts.
Let your client choose a package and optional extras on one estimate. Attach the agreement, collect their approval and create the scheduled deposit invoice before setting up the work.
- Invoice Ninja
- Invoice Ninja offers quotes with online approval. DocuNinja adds document signing to Pro or Enterprise for a published per-user charge; BillGrid’s agreements do not need another e-signature subscription.
Agreements and signing
Keep the signature with the service agreement.
The client confirms the email they use to sign, enters their name and signs. Send an NDA or service agreement independently, or attach the terms to an estimate. Keep later amendments and change orders linked to the original agreement.
- Invoice Ninja
- DocuNinja also integrates document signing with Invoice Ninja, with signing records and document certificates. Its published add-on is $6 per user/month on Pro or Enterprise; BillGrid includes agreements without a signing add-on.
Put it to work on your next invoice.Start with one client and a real piece of work.
Start for freeThe price, in perspective
Compare your monthly cost.
Choose the features and volume you need. See the relevant plans side by side.
BillGrid is free for three active clients and three documents a month, with unlimited projects on every plan. Pro, with unlimited clients and invoices, is $10 a month.
Explore BillGrid plansUS list prices, billed monthly. Introductory offers excluded.
Prices checked .
What you’d pay each month
List pricesOne person, using the hosted service. For a team, compare Invoice Ninja’s Enterprise account-user tiers directly.
BillGrid Free assumes no additional estimates or contracts are issued that month; those also share its monthly document allowance.
The retainer choice compares plans with ongoing retainer billing. Invoice Ninja includes recurring fees on Free; BillGrid’s paid workflow adds settled-period history, capped carry-over and extra-hours decisions. Compare the controls above.
You also need
BillGrid Pro is $10 a month. Invoice Ninja’s hosted Pro costs $14/month; add $6/user/month for DocuNinja. Its Free plan supports five clients and unlimited invoices.
Choose for your client work
A monthly service. With the details kept together.
The fee and the work agree.
See whether the client is within their included hours before deciding on extra billing. Keep the history of those decisions with the retainer.
Your payment account stays yours.
Connect Stripe for cards and eligible US bank payments. BillGrid adds no payment processing fee; Stripe’s charges still apply.
Try one ongoing client first.
Bring the client’s contact details, set the next retainer period and review its first invoice. Keep earlier invoices and signed records available where they are.
Make the next retainer month clearer.Bring the hours, the agreement and the invoice together.
Start for freeSide by side
Compare the billing and the work around it.
These prices cover Invoice Ninja’s hosted plans. The self-hosted edition has a different cost and operating model.
- Included
- On a higher plan
- Not offered
- See details
| Feature | BillGrid Free, $10 a month (Pro), $25 (Team) | Invoice Ninja Free; Pro $14/month; Enterprise from $18/month; DocuNinja add-on $6/user/month |
|---|---|---|
| Agreements and ongoing work | ||
| Included-hours retainers | Pro, $10 and up: a fee, included hours, capped carry-over and a decision on extras | Recurring retainer invoices and project budgets; the reviewed guides do not describe capped included-hours carry-over |
| Quotes and estimates | Client-selectable packages and extras, with approval and scheduled deposit invoicing | Quotes, online approval and conversion to invoices |
| Contracts with e-signature | Standalone or attached to an estimate; email-verified signing, with no separate signing subscription | DocuNinja add-on $6 per user/month in addition to Pro or Enterprise, with signing records and document certificates |
| Time and project billing | Record time at saved rates; review hours, milestones and expenses for the invoice | Projects, task time tracking and task-to-invoice conversion |
| Billable expenses | Enter or import expenses from CSV, keep them with the project and bring billable costs onto an invoice | Track expenses and vendors, mark costs as billable and re-invoice the client |
| Deposits and partial payments | A deposit invoice on approval, dated payments and partial payments | Deposits and partial payments, including Free |
| Recurring invoices | Pro, $10 and up: weekly to yearly; optional client-authorized saved-card autopay on eligible invoices | Recurring invoices and stored-payment auto-billing, including Free |
| Automatic reminders | Pro, $10 and up: before, on and after the due date; ready schedules or your own; pause one invoice | Pro and up Reminders can run before or after the due date, with an endless repeat option |
| Automatic late fees | Pro, $10 and up: a percentage, a flat fee or both; once or repeating; optional cap | Amount and percentage fees in reminder settings; the guide does not specify hosted-plan eligibility |
| Client portal | Pro, $10 and up: project progress, approvals, invoices, shared files and conversations | Invoices, quotes, payments and recurring-invoice details; custom portal domain on Enterprise |
| Payment-unlocked files | Pro, $10 and up: selected invoice files open after payment in full | Enterprise Documents can be locked until after payment |
| Specialist tools and access | ||
| Inventory and purchase orders | Service work, time and expenses; no stock or purchase-order system | Product inventory, vendors and purchase orders |
| Payment gateways | Cards, available Apple Pay or Google Pay, or eligible USD bank payments through your own Stripe account | Stripe, PayPal, Square, GoCardless and other supported providers |
| Self-hosting | BillGrid is a hosted service | A separate self-hosted edition; its server and maintenance costs are outside this hosted-plan comparison |
| Working on your phone | Use the workspace in your phone browser, with no app to install. BillGrid has no native mobile app | Native iPhone, Android and desktop apps, plus the web workspace |
| Price and limits | ||
| Starting price | Free for three active clients and three documents a month; Pro $10 a month, or $8 a month billed yearly | Free; Pro $14/month; Enterprise starts at $18/month and varies by account users |
| Free allowance | three active clients and three documents a month | Five clients and unlimited invoices, with Invoice Ninja branding |
| Unlimited clients and vendor branding removed | Pro, $10 and up: unlimited clients and invoices, with your branding | Pro Unlimited clients and invoices; removes Created by Invoice Ninja |
| More people | Team includes three people for $25 a month; $5 for each person more | Enterprise Account-user pricing tiers; check the selector for your team size |
Switching
Bring your clients.
Make your next invoice.
Export your clients from Invoice Ninja
Run an Invoice Ninja Clients report and export the contact and billing details to CSV. Prepare a client-only file using BillGrid’s example headers, then review the recognized columns. Our guide shows how to prepare and review your CSV.
Import them into BillGrid
BillGrid shows what it found in the file, and what it skips, before anything is saved.
Review your next invoice
Check the client, work and balance. Connect Stripe if you want online payments, then send when you are ready.
This is a reviewed client-list move, not a connected Invoice Ninja migration. Invoices, payments, tasks, recurring templates, retainer balances, files and signing records stay in Invoice Ninja.
Free supports three active clients. If your reviewed import would go over that allowance, choose Pro or Team before importing.
Questions
Before you switch.
What does the agreement-and-retainer workflow cost?
BillGrid Pro is $10 a month for one person, including signed agreements and the retainer workflow shown above. Hosted Invoice Ninja charges $14 a month for Pro; adding DocuNinja makes that $20 for one person. Invoice Ninja already includes recurring invoices and auto-billing on Free. Compare whether you need a repeating fee alone or the included-hours allowance and extra-work decisions demonstrated here. These are monthly subscription prices, excluding payment processing.
Which free plan fits my client work?
Both offer a free starting point. Invoice Ninja publishes five clients and unlimited invoices on Free, with its branding. Compare the client work behind those invoices too.
BillGrid Free supports three active clients and three documents a month, with unlimited projects, time tracking, agreements and signed estimate approval. You can set up a retainer and see current usage; Pro and Team add unlimited clients and invoices, settled retainer periods, capped carry-over and extra-hours decisions.
Does Invoice Ninja have e-signatures and payment-unlocked files?
Yes. DocuNinja provides document signing as an add-on to Pro or Enterprise, currently $6 per user/month. Enterprise also lists documents locked until after payment. BillGrid includes agreements and signed estimate approval in every plan, with no signing add-on.
Send an NDA or service agreement on its own, or attach a contract to your estimate so the scope and terms are approved together. Start from a template or use your own clauses. Your client verifies their email and types their name to sign; an authorized representative signs for your business. Keep the agreement and signing record with the client. On an unpaid account, first email that client an invoice or estimate. See the signing workflow and records.
What is different about BillGrid’s retainers?
A recurring invoice repeats a fee. BillGrid Pro and Team also keep the included-hours allowance, period history, capped unused-hours carry-over and decision on extra billing. Invoice Ninja’s reviewed guides describe recurring invoices and project budgets, rather than that allowance workflow.
Does this compare self-hosted Invoice Ninja?
No. The calculator compares hosted Free and Pro for one person, including the optional DocuNinja charge. It does not estimate Enterprise account-user tiers, your server costs or the maintenance of a self-hosted installation.
Can my whole account be imported?
No. Prepare a client CSV and review it before saving. Choose the next project or retainer-period boundary for BillGrid, then reconcile what remains to invoice in Invoice Ninja. Collect existing invoices there. Save copies of invoices, payment records and signed documents before closing the old account; recurring templates, balances and saved payment methods do not move with the client CSV.
Can clients save a card and pay automatically?
Yes. On Pro and Team, enable automatic payments and the required advance reminder. Your client confirms their identity and opts in when saving a card. Eligible invoices sent at least three days ahead charge on their due date. The client can skip an invoice or stop automatic payments. Payment schedules and saved-bank autopay are not included. See eligibility and controls.
Your next retainer month. Clear before you bill.
Start with your next invoice. Add a client, bring in the work and see how BillGrid fits.
Free for three active clients and three documents a month. Pro and Team add unlimited clients and invoices.
Start for free- Cancel online, any time
- 30 days’ notice before any price change
Invoice Ninja is a trademark of its owner. BillGrid is independent and isn’t affiliated with, endorsed or sponsored by it. Its facts come from its public pages on Nov 12, 2026: hosted plans and document delivery, DocuNinja add-on pricing, signing and document certificates, recurring invoices, reminders and late-fee settings, time and project billing, billable expenses and vendors, quotes, inventory and payment providers, client portal, client CSV reports and native apps ; Stripe’s from Stripe pricing. Prices are US list prices billed monthly, before any introductory offer. Payment examples use standard US domestic card and ACH rates. International cards, currency conversion, bank verification and other processor charges can cost more; your Stripe agreement applies. Spotted something out of date? Tell us.