Side-by-side comparison · 24 data points
Send customisable transactional emails via Flow using your own domain or SMTP provider
| FlowSend ‑ Flow Mail App | Omnisend | |
|---|---|---|
| Tagline | ||
| Description | ||
| Screenshots | images | images |
| Languages | ||
| Platforms | ||
| Developer | ||
| Listed |
| Metric | FlowSend ‑ Flow Mail App | Omnisend Email Marketing & SMS |
|---|---|---|
| Rating | 4.4 ★ | ★ 4.7 ★ |
| Total reviews | 4 | ★ 3.2k |
| Free plan | Yes | Yes |
| Pricing | Free to install | Free to install |
| Built for Shopify | — | — |
| Pricing tiers | ★ 4 tiers | 3 tiers |
| Listed features | 5 | 5 |
| Featured placements | — | 3 |
| Languages | 56 supported | 1 supported |
| Listed since | Mar 2026 | Mar 2014 |
Omnisend Email Marketing & SMS edges out FlowSend ‑ Flow Mail App on rating (4.7★ vs 4.4★), but the gap is small enough that pricing fit and feature differentiation should drive the decision more than the headline number.
Pricing entry tiers: FlowSend ‑ Flow Mail App at Free to install, Omnisend Email Marketing & SMS at Free to install. Check each app's tier structure for the capacity limits you actually need before deciding — the headline number is the same shape, but the gating shape per tier (seats, usage volume, integrations) varies.
Omnisend Email Marketing & SMS has the larger user base (3,179 reviews vs 4), which usually maps to broader integration coverage, faster bug-fix cadence, and a deeper bench of community workflow patterns. FlowSend ‑ Flow Mail App's smaller cohort can be an advantage for niche workflows where the bigger app has accumulated bloat.
Recommended by size: small/early-stage merchants who need fast install and low risk should default to Omnisend Email Marketing & SMS; mid-market and enterprise merchants with specific feature requirements should evaluate both — FlowSend ‑ Flow Mail App's 4-review base may include the workflow context that matches your specific use case better than Omnisend Email Marketing & SMS's broader-but-shallower coverage.
This verdict is generated from the live marketplace data on this page — rating, review count, pricing tier, and category position all refresh from the canonical Shopify App Store listing every 24 hours. AppRanks does not accept payment to influence comparison outcomes; the methodology is documented on the About page and applies identically to every pair on the site.
Read each app's audit: FlowSend ‑ Flow Mail App audit • Omnisend Email Marketing & SMS audit
| Last updated | — | — |
|---|
| Keyword | FlowSend ‑ Flow Mail App | Omnisend |
|---|---|---|
| transactional emails | #3 | #22 |
| price drop | #24 | #4 |
| #42 | #3 | |
| subscriptions | #200 | #127 |
Not featured in any section recently.
Both FlowSend ‑ Flow Mail App and Omnisend Email Marketing & SMS offer paid plans only. FlowSend ‑ Flow Mail App starts at Free to install; Omnisend Email Marketing & SMS starts at Free to install. Compare the per-tier features in the Pricing section above before committing.
Omnisend Email Marketing & SMS has the higher average rating (4.7★ from 3,179 reviews) compared to FlowSend ‑ Flow Mail App (4.4★ from 4 reviews). Both are tracked daily by AppRanks, so the figures here update each refresh cycle.
Omnisend Email Marketing & SMS holds the higher average rating (4.7★ vs 4.4★). That is the one dimension AppRanks can separate them on here — read both apps' detail pages for the feature breakdown and recent listing changes.
Both apps are one-click installs from the Shopify App Store. Omnisend Email Marketing & SMS has the deeper published review base (3,179 vs 4), which often — though not always — accompanies better-tested setup docs. AppRanks doesn't measure setup time directly: read the recent reviews on each app's detail page for user-reported install experience.
FlowSend ‑ Flow Mail App typically suits early-stage and growth-mode teams based on its published review base (4 reviews). Omnisend Email Marketing & SMS typically suits early-stage and growth-mode teams based on its published review base (3,179 reviews). A larger review base generally means the app has been exercised at scale — relevant if you are processing high volume or handling enterprise compliance requirements.
Migration support varies by app and category. FlowSend ‑ Flow Mail App and Omnisend Email Marketing & SMS both publish their export options on their marketplace listing pages (or in their support docs); some apps offer one-click import from competitors, others require CSV. The fastest check: search "import from FlowSend ‑ Flow Mail App" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.
