Compare Ad Reform

Ad screenshot tools all promise proof that your ads ran, but they work in very different ways. Some connect to your ad server and capture every campaign as it launches, some only cover creative approvals, and some are screenshot APIs you build on yourself. Here are the main options for agencies, publishers and retail media teams, what each is best at and where each stops, based on each company's public information as of November 2026.

Most HTML5 ad preview tools answer one of three questions: does the ad look right while you build it, will the client approve it, and will it actually work once it serves? Few tools answer all three. Here are six options ad ops and creative teams use, what each one is best at, and where each one stops, based on each tool's public documentation as of November 2026.

Ad Reform and Adwallet both automate proof-of-placement screenshots for publishers and agencies. Both connect to the major ad platforms and turn screenshots into branded decks. The differences are in how screenshots get checked, image quality, how deep the Google Ad Manager support goes, support, custom requirements and what you can build on top. Here’s a side-by-side based on each company’s public information and what customers who switched told us, as of November 2026.

Many agencies and publishers hand ad screenshots to an outsourced team, often a business process outsourcing (BPO) provider working offshore. It takes the work off ad ops’ plate, but every screenshot is still made by hand, billed in hours, and only as consistent as the person taking it. Here’s how that compares with an automated platform like Ad Reform.