Lorton Data Presort vs Mailers+4

Lorton Data Presort8.9Visit MMailers+47.6Visit

Higher score Lorton Data Presort #1 in Postal Presort Software 8.9/10 Pricing on request ✓ 2 of 2 features Visit Lorton Data

vs

M Mailers+4 #8 in Postal Presort Software 7.6/10 Pricing on request ✓ 2 of 2 features Contact Window Book

• Lorton Data Presort fits best

  Teams needing multi-platform USPS presort automation

• Mailers+4 fits best

  Windows mailers needing core commercial USPS prep

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Side by side

Feature	Lorton Data Presort 8.9/10 Visit ↗	MMailers+4 7.6/10 Visit ↗
At a glance
Editor score	8.9	7.6
Ranking	#1 in Postal Presort Software	#8 in Postal Presort Software
Best for	Teams needing multi-platform USPS presort automation	Windows mailers needing core commercial USPS prep
Pricing model	Paid	Paid
Starting price	Pricing on request	Pricing on request
Free plan	—	Not checked yet
Free trial	—	—
Deployment	Cloud, Desktop	Desktop
Platforms	Web, Windows, macOS, Linux	Windows
Built for	Small business, Mid-market, Enterprise	Small business, Mid-market, Enterprise
Features Lorton Data Presort 2/2 · Mailers+4 2/2
Address validation	✓	✓
Postal documentation	✓	✓
Specs
Mail types	First-Class, USPS Marketing Mail, Package Services, Periodicals; letters, flats, parcels, postcards, and other listed piece categories	First-Class Mail; USPS Marketing Mail; Periodicals; Bound Printed Matter
Presort levels	Automation, carrier route, basic; DDU, SCF, ADC, and NDC destination-drop documentation	5-digit; 3-digit; AADC; mixed AADC; carrier route
Supported platforms	A-Qua Mailer web; desktop; command-line utility for Windows, Linux, and macOS; FTP/SFTP	Windows desktop
Automation options	Api	Manual
Our review
Pros	Processes four USPS mail classes, including regular and nonprofit presorts Produces postage reports, USPS documentation, labels, and drop documentation Supports Full-Service IMb and command-line or FTP-based workflows	Presorts First-Class Mail, USPS Marketing Mail, Periodicals and Bound Printed Matter Supports address validation and five presort levels Prepares postal documentation, containers, labels, reports and induction data
Cons	Pricing requires a quote; no plan amounts are published Mail.dat submission uses the A-Qua Mailer desktop application Postal presort is its focus, not a general mailing operations suite	Mail processing is manual rather than automated Runs as Windows desktop software Pricing requires contacting Window Book
Our verdict	Lorton Data Presort processes mailing lists through the vendor’s A-Qua Mailer services, producing presorted mail and the associated postage reports, USPS documentation, and tray or sack labels. It supports First-Class, USPS Marketing Mail,… Read the review →	Mailers+4 is Window Book’s desktop application for preparing commercial USPS mailings. It is aimed at organizations with recurring production mail operations, including service bureaus and in-house mailing departments, that need… Read the review →

Strengths and trade-offs

• Lorton Data Presort — where it wins

  • Processes four USPS mail classes, including regular and nonprofit presorts
  • Produces postage reports, USPS documentation, labels, and drop documentation
  • Supports Full-Service IMb and command-line or FTP-based workflows

  Where it doesn't

  • Pricing requires a quote; no plan amounts are published
  • Mail.dat submission uses the A-Qua Mailer desktop application
  • Postal presort is its focus, not a general mailing operations suite

• Mailers+4 — where it wins

  • Presorts First-Class Mail, USPS Marketing Mail, Periodicals and Bound Printed Matter
  • Supports address validation and five presort levels
  • Prepares postal documentation, containers, labels, reports and induction data

  Where it doesn't

  • Mail processing is manual rather than automated
  • Runs as Windows desktop software
  • Pricing requires contacting Window Book

• Lorton Data Presort8.9/10 · Pricing on request

  Automates USPS presort processing across web, desktop, command-line, and FTP workflows.

  Visit Lorton DataFull verdict →
• MMailers+47.6/10 · Pricing on request

  A Windows desktop tool for preparing commercial USPS mailings and postal documentation.

  Contact Window BookFull verdict →