Klaviyo vs Postscript (2026): which fits your store?

Klaviyo plans

Prices shown in USD. A total of $45 USD is visible, but the text does not provide enough context to attribute it to a specific plan.

Verified 2026-07-15 from vendor pricing page.

Postscript plans

Verified 2026-07-15 from vendor pricing page.

Klaviyo

Recent merchant sentiment is strongly positive, but much of the sample consists of ratings with minimal written explanation. Written comments most often highlight email marketing performance, Shopify integration, ease of use, and early revenue impact, while the clearest caveat is pricing for businesses in a growth phase.

• ＋ Strong overall satisfaction — Most identifiable recent reviews are positive, with many merchants leaving high ratings even when they provide little written detail.
• ＋ Email marketing effectiveness — Several merchants say the app works well for email marketing and helps support sales or revenue-generating campaigns.
• ＋ Shopify integration — Merchants note that the app connects smoothly with Shopify and keeps store data in sync effectively.
• ＋ Ease of use — Some newer users describe the interface as approachable and intuitive despite being early in setup.

• － Pricing pressure — One merchant says costs rise sharply for growing businesses and recommends carefully modeling pricing before committing.
• － Segmentation learning curve — One review notes that segmentation requires some learning before it becomes effective.

Watch out: Merchants should review pricing carefully as their contact list or business scale grows.

Synthesized from the 20 most recent App Store reviews (2026-07-15); themes paraphrased.

Postscript

Sentiment in the scraped recent reviews is mixed: positive reviewers value Postscript for usable SMS marketing tools, list-building features, and strong support when it works well. However, the newest negative reviews cluster heavily around billing, pricing changes, cancellation terms, and deteriorating support responsiveness.

• ＋ Responsive support — Positive reviewers often describe support as fast, helpful, friendly, and confidence-building during setup or troubleshooting.
• ＋ Ease of use — Merchants praise the platform as intuitive for building flows, campaigns, segments, templates, and popups.
• ＋ SMS growth and engagement — Some reviews credit the app with growing subscriber lists, improving customer engagement, and supporting sales activity.
• ＋ Strong overall app quality — A few merchants describe the app as useful, sophisticated, or better than other SMS platforms they have tried.

• － Unexpected fees — Many recent negative reviews focus on charges despite little or no usage, paid minimums, new monthly fees, or disputed service charges.
• － Poor support experiences — Several merchants say support has become slow, unavailable, unhelpful, rude, or too dependent on automated responses.
• － Contracts and cancellation — Multiple reviewers complain about contract lock-ins, renewal terms, cancellation confusion, buyout fees, or difficulty confirming account closure.

Watch out: The most common caveat is recurring frustration over unexpected charges, minimum fees, contract renewals, and cancellation or refund disputes.

Synthesized from the 18 most recent App Store reviews (2026-07-15); themes paraphrased.