LetterStream vs Stannp
An independent, review-free comparison compiled by the SaaSTracker editorial team. Both products are profiled in full, and neither can pay for placement here.
The short answer
Both sides assessedLetterStream compared with Stannp
Stannp is cheaper per piece, prints in three countries, and has a thousand-plus integration list plus volume rate bands behind a $12 monthly tier. LetterStream has no monthly fee at all, a two business day guarantee, and the Certified and FedEx proof-of-delivery path Stannp lacks. Campaign and cross-border volume goes to Stannp; US notices and statements go to LetterStream.
Stannp compared with LetterStream
LetterStream is the US specialist for legally significant mail, with Certified Mail from $8.63, FedEx options, no monthly fee, and no minimum. Stannp is cheaper on ordinary volume mail, prints in three countries, and has the automation layer LetterStream lacks. Send your certified notices through LetterStream; run your campaign and operational volume through Stannp.
Choose LetterStream if
Any small business, law firm, property manager, HR team, or collections operation that needs Certified Mail with documented proof of delivery, and anyone who wants occasional letters printed and posted without a subscription, a minimum, or a marketing platform attached.
Choose Stannp if
Small and mid-sized businesses that want a real self-serve direct mail rate card with no sales call, especially UK, Canadian, and cross-border senders, and anyone whose volume sits in the awkward middle where a $200 monthly platform fee cannot be justified.
Side by side
13 attributes| Attribute | LetterStream | Stannp |
|---|---|---|
| Category | Gifting | Gifting |
| Starting price | $0 per month, with Express postcards from $0.91 and First-Class letters from $1.27 (free plan available) | $0 per month, with a colour letter at $0.99 including postage (free plan available) |
| Pricing model | Pure pay-per-piece with a free account, no monthly fee, and no minimum quantity. Base rates include printing, envelope insertion, and postage; every enhancement is priced separately per piece. | Pay as you use with no minimum spend or contract, plus optional subscription tiers that buy down the per-piece rate. Per-piece prices include production, printing, postage, and mailing, with full colour standard and Economy Class postage included. Rates step down by volume band within each plan. |
| Free plan | The account itself is free with no monthly fee, no minimum quantity, and no commitment. There is no subscription tier of any kind. | Free: $0 per month, no minimum spend, no contract, standard rates with a colour 8.5x11 letter at $0.99 including production, printing, postage, and mailing. |
| Free trial | No trial needed; the account is free and you pay only for the mail you send | No time-limited trial; the free plan is the evaluation path and sends real mail with no minimum spend |
| Best for | Any small business, law firm, property manager, HR team, or collections operation that needs Certified Mail with documented proof of delivery, and anyone who wants occasional letters printed and posted without a subscription, a minimum, or a marketing platform attached. | Small and mid-sized businesses that want a real self-serve direct mail rate card with no sales call, especially UK, Canadian, and cross-border senders, and anyone whose volume sits in the awkward middle where a $200 monthly platform fee cannot be justified. |
| Setup time | Under thirty minutes for a first job. Create a free account, upload a document and an address list, choose a mail class and options, and submit. API integration takes a developer a day or so using the published sample code. | Under an hour to a first send. Create an account in your region, upload a list, choose a format, see the calculator price, and dispatch. Connecting an integration adds an hour or so depending on the source system. |
| Learning curve | Low for the web workflow and moderate for the postal specifics. The parts worth understanding are what Certified Mail with and without a return receipt actually proves, how extra ounces are triggered by return envelopes and page counts, and when the 3pm Arizona cutoff applies to your deadline. | Low. The interface is a conventional campaign builder and the pricing calculator does most of the explaining. The subtleties worth learning are the volume bands, since a job sitting just under 1,000 or 10,000 pieces is often worth padding slightly to cross a band boundary. |
| Platforms | Web application, Mailing API, Document and list upload, Rush processing path | Web application, REST API, Regional US, UK, and Canadian storefronts, Over a thousand integrations, CSV upload |
| Compliance | HIPAA certified, USPS CASS and NCOA processing, BBB A plus accredited | Postal standards in the US, UK, and Canada, Address verification against postal databases |
| Founded | 2003 | 2014 |
| Headquarters | Scottsdale, Arizona | United Kingdom origin, with US operations listed in Denver, Colorado and dispatch across the US, UK, and Canada |
| Ownership | Privately held, led by president and chief executive David Patterson | Privately held |
Strengths and limitations
LetterStream
Strengths
- Certified Mail with Electronic Return Receipt and FedEx 2Day with signature confirmation, which is the legally usable proof of delivery no other vendor in this category offers.
- No monthly fee, no minimum, and no commitment of any kind, so an account that sends twelve pieces a month costs nothing but the twelve pieces.
- Real CASS and NCOA address cleanup as a list service, which is proper postal hygiene rather than a validation checkbox.
- HIPAA certification, allowing patient statements and health notices to route through the platform when most marketing mail vendors cannot touch them.
Limitations
- No marketing layer at all. No campaign builder, no drip triggers, no CRM integrations, no personalized URLs, no QR code tracking, and no attribution reporting.
- Per-piece rates for ordinary mail are roughly double the programmatic platforms, so any marketing volume routed here is overpaying substantially.
- Standard First-Class mail has no tracking, so unless you pay for Certified or FedEx you cannot prove anything about a specific piece.
- The add-on model means the headline rate understates a realistic job. Colour, extra pages, return envelopes, and extra ounces stack quickly.
Stannp
Strengths
- The most graduated pricing ladder in the category, with a $12 tier that fills the middle-volume gap every American competitor leaves open.
- Genuine multi-country operation with dispatch from the US, UK, and Canada, which makes it the default option for non-US and cross-border small businesses.
- Pay as you use with no minimum spend and no contract on any tier, so mail can be seasonal without carrying a subscription through quiet months.
- Per-piece prices include production, printing, postage, and mailing with full colour as standard, so there is no hidden colour surcharge or separate postage invoice.
Limitations
- Postcard and self-mailer prices are not published in a static table and come out of an on-site calculator, so you cannot fully model a campaign before creating an account.
- Developer experience trails the API-first competitors. The API exists and works, but documentation sits in a knowledge base rather than a dedicated developer site with SDKs and test environments.
- No published compliance programme, no SOC 2, and no HIPAA coverage, so regulated healthcare and financial mail should go elsewhere despite the healthcare vertical page.
- No Certified Mail, no signed proof of delivery, and no cheque printing, which rules out legally significant and disbursement mail.
Pricing compared
LetterStream
Pure pay-per-piece with a free account, no monthly fee, and no minimum quantity. Base rates include printing, envelope insertion, and postage; every enhancement is priced separately per piece.
- Free account, pay per piece$0
For marketing mail, LetterStream is poor value: $1.27 a letter and $1.30 a Pro postcard is roughly double what Poplar or Lob charge for a comparable piece, and there is no campaign layer to justify it. For legally significant mail it is excellent value and effectively uncontested in this category. Certified Mail with Electronic Return Receipt at $8.63 replaces a person, a queue, a green card, and a filing cabinet, and the free account with no minimum means a firm sending twelve notices a month pays nothing but the postage. The lesson most buyers should take is that this is a second vendor rather than a first one: run your campaign volume somewhere cheap and route the pieces that have to hold up in a dispute through here.
Stannp
Pay as you use with no minimum spend or contract, plus optional subscription tiers that buy down the per-piece rate. Per-piece prices include production, printing, postage, and mailing, with full colour standard and Economy Class postage included. Rates step down by volume band within each plan.
- Free$0
- Starter$12
- Growth$48
- Premium$315
- EnterpriseCustom
Stannp's real advantage is not the lowest unit price, because Poplar and Lob both beat it on a US postcard. It is that the pricing ladder has rungs where the rest of the category has a cliff. A business sending 400 letters a month can pay $12 and get a volume rate, which at every American competitor would mean either staying on a free tier at the worst rate or paying $200-plus for a plan sized for someone ten times larger. Add multi-country dispatch, no minimum spend, and no contract, and this becomes the most flexible commercial structure in the category. Against a local print shop the maths at a thousand pieces is genuinely close, and the honest answer is that you are paying Stannp for address verification, automation triggers, and the fact that you never have to phone anyone.
Editorial verdict on each
LetterStream
LetterStream is the specialist you hold an account with rather than the platform you run your programme on. For marketing mail it is roughly double the price of the programmatic platforms with none of the campaign tooling, and nobody should route campaign volume through it. For anything that has to be provably served, it is close to uncontested in this category: Certified Mail with Electronic Return Receipt, FedEx signature confirmation, real CASS and NCOA cleanup, HIPAA certification, a published two business day guarantee, and a free account with no subscription and no minimum. Law firms, property managers, collections operations, medical practices, and membership organisations should open an account today, because it costs nothing until you use it. Everyone else should pair it with a cheap programmatic vendor and use each for the job it is actually good at.
Read the full LetterStream profileStannp
Stannp is the most commercially sensible direct mail platform in this category for a business that is not American and not enormous. The pricing ladder is the point: a $12 tier that buys volume rates at 240 letters a month solves the exact problem every US competitor ignores, and pay-as-you-use with no minimum spend or contract means a seasonal sender is never carrying a subscription through quiet months. Multi-country dispatch from the US, UK, and Canada makes it the default for cross-border small businesses. What you give up is developer polish, published postcard rates, any compliance programme, and per-piece delivery proof, so regulated mail, legally significant notices, and engineering-heavy integrations all belong somewhere else. For everyone else running campaigns or operational mail on a real budget, this is the one to start with.
Read the full Stannp profileLetterStream profile last reviewed 2026-08-22; Stannp last reviewed 2026-08-22. Pricing is compiled from public sources and can change without notice. See our methodology.