| The Blue Bike Postcard Club | Art, one watercolour postcard | Monthly | Ongoing, run through Patreon | $4.50 a month, base tier | Included, worldwide | Worldwide | not published | One exclusive hand-painted watercolour postcard. Higher tiers add stickers or extra cards. | Patreon membership, cancelled through Patreon. Terms not detailed on the artist’s own page. | The lowest verified price here |
| Letters From Afar | Travel writing, non-fiction | Monthly, posted between the 10th and the 15th | Ongoing, or prepaid in 6, 12 and 24-month blocks | $7 a month. $39 for six months, $72 for a year, $119 for two years. An email-only version is $5 a month. | Standard USPS at home. International postage is described only as slightly higher, and whether that is absorbed or charged on is not published. | Worldwide, no stated restrictions | Yes, a separate gift product | A hand-painted, hand-written letter about a different destination each month. | Cancel anytime from the account dashboard. You can also skip a month or change the address. | The cheapest full letter here |
| Mythbridge | Fantasy fiction, an ongoing world rather than one story | Monthly, around the 10th | Open-ended | £9.99 a month, auto-renewing | Stamped envelope, no tracking, included in the price | Described by the vendor as pretty much worldwide | not published | A themed letter from the world, a print or postcard, three stickers and a journaling prompt. | Cancel anytime from a self-serve portal. No stated fees. | Readers outside the United States |
| Five Foot Mail Club | Art and personal note | Monthly | Prepaid 6 or 12-month blocks. No single month offered. | $60 for six months or $120 for twelve, which is $10 a month either way | not published | not published. The studio is Los Angeles based. | Yes, 6 and 12-month gift subscriptions at the same price | A handwritten letter, a watercolour print, a photo postcard and a mini zine on a monthly theme. | not published | One artist’s handmade mixed bundle |
| The Wildflower Post | Art and nature, personal note | Monthly, last week of the month | Ongoing. Six months prepaid takes 10 per cent off. | $11 a month | Stamped mail, no tracking. Three to seven business days at home, up to three weeks internationally. | United States plus international, with several currencies at checkout | Yes, enter the recipient as the shipping address | A pressed-flower fine art print, a personal letter from the artist, a card of prompts and quotes, and extras. One member a month receives the original artwork. | Pause or cancel anytime through an emailed management link. | Botanical art collectors |
| Storyville Letters | Fiction, epistolary | Twice monthly, in the first and third weeks | Fixed: 24 letters across 12 months | $14.99 a month, or $11.41 a month on the annual plan, about $137 a year | Free within the United States. International postage costs extra and the amount is not published. | Any country on the USPS Postal Explorer list, so effectively worldwide | Yes, a chosen season or a voucher, with a printable certificate straight away | A printed dispatch on good paper with a real stamp. Seasonal extras can include maps, newspaper clippings, sketches and hidden clues. | Cancel anytime from the account, at least 24 hours before renewal. | The lowest verified cost per letter in fiction |
| Letters in the Mail | Literary correspondence from real, named authors | Twice a month | Ongoing monthly, or annual | $12 a month, or $115 for a full year | Included, at home and internationally | United States and international | not published | A postmarked letter from a working writer. Some typed, some handwritten, some carrying doodles or poems, each with a prompt and a return address so you can write back. | not published | Readers who want a real writer, not a character |
| Enchanted Postmark Club | Art and personal note, bird-themed | Monthly, first week of the month | Ongoing, billed monthly, quarterly or yearly | $12 CAD a month, $33 CAD a quarter, $126 CAD a year, plus shipping | Not included. Charged separately and varies by destination. | Canada and the United States confirmed. States that it ships internationally, with subscribers named in the UK and Costa Rica. | Yes, a three-month gift product | A written letter, a collectible art print, two bird-themed postcards and a surprise element, on vintage-styled stationery. | Monthly plans cancel anytime. Quarterly and yearly plans auto-renew unless cancelled beforehand. | Bird and nature art with no fixed run |
| The Flower Letters | Fiction, serialised illustrated historical stories | Twice monthly, in the second and fourth weeks | Fixed: 24 mailings across 12 months | $12.95 a month, or $155.40 prepaid for the whole twelve-month story | First letter free first-class at home, five to eight business days. The rest travel as ordinary mail with no tracking. International orders ship as one tracked package containing all 24 mailings, and customs charges can fall on the recipient. | United States confirmed. International available on the single-package model. | Yes, enter the recipient as the shipping address, with a printable introduction | A hand-crafted letter with story extras: postcards, telegrams, stickers and keepsakes, plus access to companion articles. | Monthly plans cancel anytime through a self-serve portal. Prepaid plans are refundable pro rata within 60 days by email. | A historical serial in physical ephemera |
| Epistolary | Fiction, cosy mystery and romance | Twice monthly, second and fourth Friday | Fixed: 24 letters across 12 months | $114 prepaid for the whole story. The product page also showed a $109 compare-at figure alongside it, which we could not reconcile and have not averaged away. | First letter tracked at home, the rest free first-class. International delivery can take up to six weeks. | Worldwide, per the vendor | Flexible start dates are offered. No gift-address flow is published. | Letters plus what the vendor counts as more than a hundred story artifacts: recipes, secret notes, field notes and journal entries. | A one-time prepaid purchase rather than a recurring subscription, with a 30-day money-back guarantee. | One flat price, no recurring billing |
| History By Mail | History, replicas of real documents | Monthly | Ongoing, billed in 1, 6, 12 or 24-month terms | $8.99 for one month, $47.99 for six, $87.99 for a year, $164.99 for two years | Free within the United States. International policy not published. | United States. International not verified. | Yes, with a personal message on the first envelope, a chosen start date, and recipient notification held back for 21 days | A museum-quality replica of a real historical document, with a companion sheet giving the context. | Cancel anytime by email. The vendor states that unhappy customers get the remaining balance refunded. | A document you can hold |
| Letterjoy | History, real historic letters | Weekly | Sold as bundles: two months for 8 or more letters, six months for 26 or more, a year for 52 or more | $49 for two months, $129 for six, $249 for a year, all prepaid. No separate monthly plan was shown. | Free first-class included on all United States mailings. A modest surcharge is applied to addresses elsewhere. | Worldwide | The whole product is positioned as a gift, with a customisable letter explaining it to the recipient | A curated historic letter each week, each with a companion article about it. | not published in full. Auto-renewing members get 10 per cent off; the linked policy was not read. | A weekly history habit |
| Wild Bird Post ours | Fiction, one finished twelve-month story, birds | Monthly, the first Tuesday of every month | Fixed: 12 letters across 12 months | $24 a month. $69 for three months, $132 for six, $249 for the full year. | Postage included in the price | The US, Canada and Europe | Yes, in three, six and twelve-month terms | In each envelope: a letter, a fine-art plate, a poem card, a field note and a paper keepsake. | Pause or cancel anytime | Readers who want the art as much as the story. Note that we have posted nothing yet: this is a waitlist, not a shipping service. |
| Dear Holmes | Mystery, Victorian | Weekly letters, roughly one complete mystery a month | Ongoing monthly, or prepaid 3, 6 and 12-month bundles | $24.99 a month, confirmed on the vendor’s own product page. The 3, 6 and 12-month bundle prices appear only in third-party search summaries and are not verified: the vendor’s pricing page returned no readable prices when fetched. | Free shipping. International delivery runs 7 to 21 days with a modest postal surcharge. | International shipping available | Yes. Gift bundles are one-time purchases and do not auto-renew. | A welcome letter, then per mystery: three clue letters from a Victorian client and one solution letter from Holmes. | Members can cancel or pause anytime from the account portal. | Solving something, not only reading it |
| Sunny the Mail Snail | Children’s correspondence | Weekly | Sold in 3, 6 and 12-month blocks | $58 for three months, $96 for six, $188 for twelve | not published | not published. The company is based in Virginia. | not published | Weekly letters written for children. Longer plans include a plush snail. | not published | A child, not an adult |
| Hunt A Killer | Mystery, a box of evidence rather than letters | Monthly, one episode or box at a time | Seasons of six episodes, and an ongoing membership | $29.99 for a standalone case, confirmed on the live homepage, with one cold case at $19.99. Season and membership rates are widely reported elsewhere but not verified: the membership page was not reachable when checked. | Charged separately on single cases. Free shipping on longer prepaid plans is reported but not verified. | not verified. United States and Canada are commonly reported. | not verified | Physical evidence, suspect profiles and puzzle materials for a murder case. | not verified. Cancellation by account or email is reported. | The most interactive thing in this table |
| The Mysterious Package Company | Immersive puzzle experience, a crate rather than letters | Mostly one-time purchases rather than a recurring cadence | Each experience is self-contained. There is no story arc across months. | not verified. Third-party reviews from 2016 and 2017 cite individual experiences between $99.99 and $249.99 and a quarterly box around $29.99, but the shop pages returned 404s and the FAQ carried no prices when checked, so current pricing could not be confirmed. | not published. International shipping reaches certain countries and customs charges fall on the recipient. | United States plus selected countries | Yes, gift options at checkout | Documents, photographs and physical artifacts, delivered in a wooden crate. | Largely not applicable, as these are one-time purchases. The FAQ states that no returns are accepted. | One elaborate, high-production mystery |