Side-by-side comparison · 24 data points
Enable fast, secure OTP login with phone SMS, WhatsApp, or email for a seamless store experience.
| Ex OTP Login with Phone Number | Duos B2B Self‑service | |
|---|---|---|
| Tagline | ||
| Description | ||
| Screenshots | images | images |
| Languages | ||
| Platforms | ||
| Developer | ||
| Listed | ||
| Last updated | — |
Streamline B2B operation with self-service experience in company setup, ordering, finance & credit.
| Metric | Ex OTP Login with Phone Number | Duos B2B Self‑service |
|---|---|---|
| Rating | 5.0 ★ | 5.0 ★ |
| Total reviews | ★ 49 | 2 |
| Free plan | Yes | Yes |
| Pricing | Free plan available | Free plan available |
| Built for Shopify | ★ Yes | — |
| Pricing tiers | 4 tiers | 4 tiers |
| Listed features | 5 | 5 |
| Languages | 1 supported | 1 supported |
| Listed since | Feb 2021 | Mar 2025 |
Ex OTP Login with Phone Number and Duos B2B Self‑service are evenly matched on rating (5.0★ vs 5.0★) — the differentiator comes down to pricing fit, feature breadth, and which app's interaction pattern suits your team's workflow.
Pricing entry tiers: Ex OTP Login with Phone Number at Free plan available, Duos B2B Self‑service at Free plan available. 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.
Recommended evaluation path: install both apps' free tiers (where available) and run them in parallel on a small cohort for 7-14 days before committing. The data tables below show the per-feature breakdown — for most merchants the deciding factor will be a single integration or workflow detail that's hard to compare from listing pages alone.
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: Ex OTP Login with Phone Number audit • Duos B2B Self‑service audit
| Keyword | Ex OTP Login with Phone Number | Duos B2B Self‑service |
|---|---|---|
| registration forms | #18 | #70 |
| registration form | #21 | #70 |
| registration | #67 | #127 |
| Signal | Ex OTP Login with Phone Number | Duos B2B Self‑service |
|---|---|---|
| Average rating | 5.0 ★ (49) | 5.0 ★ (2) |
| Rating distribution | 5— 4— 3— 2— 1— | 5100% 40% 30% 20% 10% |
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Both Ex OTP Login with Phone Number and Duos B2B Self‑service offer paid plans only. Ex OTP Login with Phone Number starts at Free plan available; Duos B2B Self‑service starts at Free plan available. Compare the per-tier features in the Pricing section above before committing.
Ex OTP Login with Phone Number (5.0★, 49 reviews) and Duos B2B Self‑service (5.0★, 2 reviews) are essentially tied on rating. Look at review velocity and individual reviewer quotes — both visible on each app's detail page — to differentiate.
AppRanks cannot separate these two on rating — both sit at 5.0★. Ex OTP Login with Phone Number does carry the larger published review base (49 vs 2). Read both apps' detail pages for the feature breakdown and recent listing changes.
Both apps are one-click installs from the Shopify App Store. Ex OTP Login with Phone Number has the deeper published review base (49 vs 2), 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.
Ex OTP Login with Phone Number typically suits early-stage and growth-mode teams based on its published review base (49 reviews). Duos B2B Self‑service typically suits early-stage and growth-mode teams based on its published review base (2 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.
Discovering Duos and their B2B-specific suite of apps has been a game-changer for us. We're always looking to improve and customize the shopping experience for our B2B customers, and with this app we have been able to offer B2B Quotes, bulk ordering by SKU or CSV, Shopping Lists featuring manager sign-off and, as an ad
Migration support varies by app and category. Ex OTP Login with Phone Number and Duos B2B Self‑service 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 Duos B2B Self‑service" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.