QUICK ANSWER
Melio is the better bill pay solution for most businesses under about 10 employees in 2026: it has a genuinely useful free tier, free ACH bank transfers, and the killer feature of paying any vendor by card (for a ~2.9% fee) even when the vendor only accepts checks or bank transfer. BILL (formerly Bill.com) wins for businesses with an approval chain — its per-user pricing (roughly $45–$55 per user per month) buys multi-step approval workflows, deeper audit trails, stronger sync with QuickBooks, Xero, and NetSuite, and integrated accounts receivable at a scale Melio does not match. Pick by team size and control needs, not brand.
Key Takeaways
- Melio starts free — free ACH payments and a no-subscription tier make it the default for owner-managed payables.
- BILL charges per user — ~$45–$55/user/month, justified once multiple people request, approve, and pay bills.
- Both float-friendly — pay vendors by credit card for ~2.9% while they receive a check or ACH, buying 30–50 days of cash flow.
- Controls are the real dividing line — BILL’s role-based approvals and audit logs are what CFOs and bookkeepers are actually buying.
Pricing: Free-First vs Per-Seat
Melio’s model is pay-for-what-you-use. The free plan includes vendor management and a monthly allotment of free ACH transfers; paid tiers (Core around $25/month and Boost around $55/month) add unlimited free ACH, batch payments, approval basics, and accounting-sync niceties. Per-transaction charges are where money actually moves: card payments cost about 2.9%, paper checks a couple of dollars each after any free allotment, and expedited transfers about 1%.
BILL sells software, not transactions — though it charges those too. Essentials runs about $45 per user per month and Team about $55, with AP and AR modules priced separately; ACH payments cost roughly $0.49 each and checks about $1.79. A solo owner paying 20 bills a month might spend $0–$25 on Melio versus $50–$60 minimum on BILL before a single payment fee. A five-person finance workflow flips the math: BILL’s ~$275/month buys process control that would otherwise leak far more than that in duplicate payments, missed discounts, and fraud exposure.
Features: Payment Flexibility vs Process Control
The platforms share the core trick of modern AP: you pay however you like (bank transfer or card), the vendor receives whatever they accept (ACH or a mailed check), and nobody exchanges banking details over email. Melio executes this with less friction — upload or forward an invoice, it reads the details, you schedule the payment, done. International payments, recurring bills, and QuickBooks/Xero two-way sync are all present, and the card-to-check option effectively turns any vendor into a credit card acceptor, which is the cheapest working capital most small businesses can access.
BILL’s feature depth shows up after the invoice arrives: OCR capture into a central inbox, coding to classes and locations, multi-step approval chains (amount-based routing, role-based permissions), a full audit trail on every touch, and payment execution only after sign-offs complete. It syncs bidirectionally with QuickBooks Online, Xero, Sage Intacct, and NetSuite, and its AR side can invoice customers and accept payments, making it a genuine AP+AR hub. Divvy-derived spend cards (BILL Spend & Expense) round out a platform Melio simply is not trying to be.
Ease of Use and Support
Melio is the easier product by a wide margin — most owners schedule their first payment within ten minutes of signup, and the interface stays out of the way. Support is chat and email, adequate for a tool this simple. BILL has a real learning curve: approval policies, user roles, and sync settings reward an afternoon of setup (or a bookkeeper who knows it — thousands of accounting firms run client AP on BILL, which is its own endorsement). BILL offers phone support on higher tiers and a much deeper help ecosystem. If nobody on your team will own the setup, BILL’s power goes unused and Melio wins by default.
Verdict: Which Should You Pick?
Choose Melio if you are the only approver, pay fewer than roughly 50 bills a month, and care most about free ACH and card float. Choose BILL when bills need more than one set of eyes: multi-entity books, a bookkeeper plus an owner signing off, audit requirements, or AP volume that needs an inbox, not an email folder. Plenty of businesses graduate from Melio to BILL around their first finance hire — that is the natural upgrade path, not a rivalry.
| Melio | BILL | |
|---|---|---|
| Subscription | Free; Core ~$25/mo; Boost ~$55/mo | ~$45–$55 per user/mo |
| ACH cost | Free (allotment, then unlimited on paid) | ~$0.49 each |
| Pay vendors by card | ~2.9%, any vendor | ~2.9%, supported vendors |
| Approval workflows | Basic, on paid tiers | Multi-step, role-based, amount-routed |
| Accounting sync | QuickBooks, Xero | QuickBooks, Xero, Sage Intacct, NetSuite |
| Best for | Owner-run businesses under ~10 staff | Teams with approval chains and higher AP volume |
Recommended Resources
Accounting All-in-One For Dummies — a solid grounding in accounts payable, accrued liabilities, and cash-versus-accrual timing, which is exactly what these tools automate.
Xero For Dummies — if your books live in Xero, this covers the bill and payment workflows that Melio and BILL sync into, so reconciliations stay clean.
Frequently Asked Questions
Is paying vendors by credit card through Melio or BILL worth the 2.9% fee?
It depends entirely on what the float and rewards are worth to you that month, so run the arithmetic rather than adopting a policy. On a $10,000 vendor payment, 2.9% is $290. Against that cost you can credit two things: rewards (a 2% cash-back business card claws back $200, shrinking the true cost to $90) and float — if the charge posts early in your statement cycle, you effectively delay the cash leaving your account by 30 to 50 days. Ninety dollars for seven weeks of $10,000 liquidity annualizes to roughly a 6–7% borrowing rate, which beats most lines of credit and destroys merchant cash advances. That makes card payments genuinely smart in three situations: a seasonal trough where the alternative is drawing on credit, capturing an early-payment discount from the vendor that exceeds your net fee, or bridging a large inventory buy ahead of a strong sales month. It is a bad habit in one situation: covering chronic shortfalls, where 2.9% a month compounds into credit-card-level costs. One more check — confirm your card issuer codes these as purchases, not cash advances, and never carry the resulting card balance past the grace period, or the whole calculation collapses.