1. [Home](https://www.g2.com/) 2. ... 3. [Email Template Builder Software](https://www.g2.com/categories/email-template-builder) 4. [Unlayer](https://www.g2.com/products/unlayer/reviews) 5. [Unlayer Claims vs Evidence](https://www.g2.com/products/unlayer/claims-vs-evidence) # Unlayer Claims vs Evidence This page compares marketing claims that Unlayer makes on its own website with what real G2 users say in their reviews. Each claim's source link points to the page where it appeared. Claims are rated as follows: Supported when a clear majority of the reviewers who address it back it up, Disputed when a clear majority contradict it, and Mixed when reviewers are divided. Reviews that don't mention a claim are not counted. Last updated Oct 6, 2026 ## Claim: “Switch between device widths and dark-mode preview while editing, so what your users design is what their recipients see.” Mixed support from reviews. Reviewers report useful responsive device previews and real-time preview functionality, but another reviewer describes rendering quirks in older email clients that require additional QA. The reviews do not specifically establish dark-mode preview or that recipients always see exactly what was designed. - “Real time preview is the best feature which shows how email template is working.” [Read Full Review](https://www.g2.com/products/unlayer/reviews/unlayer-review-12552512) - “Also, we’ve seen a few rendering quirks in older email clients, so we still do a round of QA before sending campaigns.” [Read Full Review](https://www.g2.com/products/unlayer/reviews/unlayer-review-11279877) Source: [https://unlayer.com/email-builder](https://unlayer.com/email-builder) ## Claim: “Every design adapts to desktop, tablet, and mobile widths automatically.” Supported by reviews. Relevant reviewers consistently describe Unlayer as producing responsive, mobile-friendly designs and enabling responsive previews across different devices, supporting the claimed cross-width adaptability. - “Unlayer makes it quick and easy to design professional, mobile friendly emails without coding.” [Read Full Review](https://www.g2.com/products/unlayer/reviews/unlayer-review-11535198) - “Unlayer's drag and drop editor makes it incredibly easy to design professional, responsive email without any coding a perfect responsive template.” [Read Full Review](https://www.g2.com/products/unlayer/reviews/unlayer-review-11501942) Source: [https://unlayer.com/email-builder](https://unlayer.com/email-builder) ## Claim: “Add advanced email design functionality with just a few lines of code.” Disputed by reviews. Although one reviewer reports that basic implementation takes only a few lines of code, other reviewers say advanced layout work requires custom code and that significant UI extensions can be difficult. The reviews therefore do not consistently support adding advanced email design functionality with just a few lines of code. - “Integration is simple, with only a few lines of code for basic implementation.” [Read Full Review](https://www.g2.com/products/unlayer/reviews/unlayer-review-11279353) - “Some advanced layout tweaks still require jumping into custom code” [Read Full Review](https://www.g2.com/products/unlayer/reviews/unlayer-review-11279734) - “It can be hard to extend the UI in significant ways” [Read Full Review](https://www.g2.com/products/unlayer/reviews/unlayer-review-11280011) Source: [https://unlayer.com/email-builder](https://unlayer.com/email-builder) ## Claim: “Designs adapt automatically to every device width without extra setup.” Mixed support from reviews. Reviewers report responsive, mobile-friendly designs and useful previews across devices, while others note the need for more granular mobile control and QA because of rendering quirks. The evidence is therefore mixed and does not consistently support automatic adaptation to every device width without extra setup. - “O recurso que permite ver o design responsivo em diferentes dispositivos, como computadores e celulares, é extremamente útil.” [Read Full Review](https://www.g2.com/products/unlayer/reviews/unlayer-review-11888990) - “Unlayer makes it quick and easy to design professional, mobile friendly emails without coding.” [Read Full Review](https://www.g2.com/products/unlayer/reviews/unlayer-review-11535198) - “it would be nice to have more granular control over the mobile view.” [Read Full Review](https://www.g2.com/products/unlayer/reviews/unlayer-review-12378600) - “we’ve seen a few rendering quirks in older email clients, so we still do a round of QA before sending campaigns.” [Read Full Review](https://www.g2.com/products/unlayer/reviews/unlayer-review-11279877) Source: [https://unlayer.com/email-builder](https://unlayer.com/email-builder) ## Claim: “Skip the years of R&D and launch an email editor with minimal engineering effort.” Supported by reviews. Relevant reviewers generally describe quick, straightforward integration and avoiding the need to build an editor from scratch, though one reviewer found the initial setup challenging. The reviews support the claim's direction of reducing engineering effort but do not establish the specific magnitude implied by skipping years of R&D. - “Overall, it’s helped us deliver a polished email-building experience without having to build one from scratch.” [Read Full Review](https://www.g2.com/products/unlayer/reviews/unlayer-review-11279877) - “Integration is simple, with only a few lines of code for basic implementation.” [Read Full Review](https://www.g2.com/products/unlayer/reviews/unlayer-review-11279353) - “It was really easy to get started and we had an embedded email template designer in our platform in no-time!” [Read Full Review](https://www.g2.com/products/unlayer/reviews/unlayer-review-11279485) - “Additionally, the initial setup of Unlayer was challenging because it was not a simple drop-in replacement for Froala Editor, which added complexity to our transition.” [Read Full Review](https://www.g2.com/products/unlayer/reviews/unlayer-review-11937466) Source: [https://unlayer.com/email-builder](https://unlayer.com/email-builder) ## Claim: “Give your users a polished email editor that renders everywhere.” Supported by reviews. Most relevant reviewers describe Unlayer as producing polished, professional, responsive, and visually consistent emails, including across desktop and mobile devices. However, one reviewer reports rendering quirks in older email clients, so the reviews provide strong but not universal support for the claim. - “The drag-and-drop editor is incredibly intuitive, making it easy for non-technical users to create polished, professional emails without any coding knowledge.” [Read Full Review](https://www.g2.com/products/unlayer/reviews/unlayer-review-12378600) - “I really like how intuitive and flexible Unlayer’s drag-and-drop editor is. It makes building responsive, visually consistent emails quick and efficient, even for complex layouts.” [Read Full Review](https://www.g2.com/products/unlayer/reviews/unlayer-review-11878673) - “we’ve seen a few rendering quirks in older email clients, so we still do a round of QA before sending campaigns.” [Read Full Review](https://www.g2.com/products/unlayer/reviews/unlayer-review-11279877) Source: [https://unlayer.com/email-builder](https://unlayer.com/email-builder) ## Claim: “Give your users a drag-and-drop, AI-assisted email editor that renders reliably across \*\*Gmail\*\*, \*\*Outlook\*\*, and 90+ other clients.” Mixed support from reviews. Reviewers consistently praise the drag-and-drop editor, and one reports responsive previews plus AI-assistant integration. However, another reviewer reports rendering quirks in older email clients, and the reviews do not establish reliable rendering specifically across Gmail, Outlook, and 90+ clients. - “The drag-and-drop editor is incredibly intuitive, making it easy for non-technical users to create polished, professional emails without any coding knowledge.” [Read Full Review](https://www.g2.com/products/unlayer/reviews/unlayer-review-12378600) - “O recurso que permite ver o design responsivo em diferentes dispositivos, como computadores e celulares, é extremamente útil. A integração do assistente de inteligência artificial também é um bom ponto de partida para enriquecer a experiência de criação de templates.” [Read Full Review](https://www.g2.com/products/unlayer/reviews/unlayer-review-11888990) - “Also, we’ve seen a few rendering quirks in older email clients, so we still do a round of QA before sending campaigns.” [Read Full Review](https://www.g2.com/products/unlayer/reviews/unlayer-review-11279877) Source: [https://unlayer.com/email-builder](https://unlayer.com/email-builder) ## Claim: “Reliable rendering across Gmail, Outlook, Apple Mail, and 90+ other email clients.” Disputed by reviews. The only review directly addressing rendering reports quirks in older email clients and says QA is still needed before campaigns, contradicting the claim’s broad reliability assertion. - “Also, we’ve seen a few rendering quirks in older email clients, so we still do a round of QA before sending campaigns.” [Read Full Review](https://www.g2.com/products/unlayer/reviews/unlayer-review-11279877) Source: [https://unlayer.com/email-builder](https://unlayer.com/email-builder) ## Claim: “Unlayer tests against 90+ clients on every release, so your users' designs land intact.” Disputed by reviews. A reviewer reports rendering quirks in older email clients and the need for additional QA before campaigns, which materially undermines the claim that designs land intact. The reviews do not verify the specific 90+ clients tested or testing on every release. - “we’ve seen a few rendering quirks in older email clients, so we still do a round of QA before sending campaigns.” [Read Full Review](https://www.g2.com/products/unlayer/reviews/unlayer-review-11279877) Source: [https://unlayer.com/email-builder](https://unlayer.com/email-builder)