Side-by-side comparison · 24 data points
Show tax includes prices and tax excludes prices for all your products and set tax rules you need.
| Singleton | Dual Price Display | Tax Rex ‑ Sales Tax Automation | |
|---|---|---|
| Tagline | ||
| Description | ||
| Screenshots | images | images |
| Languages | ||
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| Developer | ||
| Listed | ||
| Last updated | — |
US State Sales Tax return Reports & Automated Filing for your store. Easy, Accurate & Time Saving!!!
| Metric | Singleton | Dual Price Display | Tax Rex ‑ Sales Tax Automation |
|---|---|---|
| Rating | 4.8 ★ | ★ 5.0 ★ |
| Total reviews | ★ 186 | 115 |
| Free plan | Yes | Yes |
| Pricing | Free trial available | Free trial available |
| Built for Shopify | — | — |
| Pricing tiers | 2 tiers | ★ 4 tiers |
| Listed features | 5 | 5 |
| Languages | 1 supported | 1 supported |
| Listed since | Sep 2018 | Sep 2021 |
Tax Rex ‑ Sales Tax Automation edges out Singleton | Dual Price Display on rating (5.0★ vs 4.8★), but the gap is small enough that pricing fit and feature differentiation should drive the decision more than the headline number. Pricing entry tiers: Singleton | Dual Price Display at Free trial available, Tax Rex ‑ Sales Tax Automation at Free trial 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 (apps, orders, integrations) varies. Singleton | Dual Price Display has the larger user base (186 reviews vs 115), which usually maps to broader integration coverage, faster bug-fix cadence, and a deeper bench of community workflow patterns. Tax Rex ‑ Sales Tax Automation's smaller cohort can be an advantage for niche workflows where the bigger app has accumulated bloat. Recommended by store size: small/early-stage merchants who need fast install and low risk should default to Tax Rex ‑ Sales Tax Automation; mid-market and enterprise merchants with specific feature requirements should evaluate both — Singleton | Dual Price Display's 186-review base may include the workflow context that matches your specific use case better than Tax Rex ‑ Sales Tax Automation'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: Singleton | Dual Price Display audit • Tax Rex ‑ Sales Tax Automation audit
| Keyword | Singleton | Dual Price Display | Tax Rex ‑ Sales Tax Automation |
|---|---|---|
| registration | #109 | #10 |
No tracked changes.
Both Singleton | Dual Price Display and Tax Rex ‑ Sales Tax Automation offer paid plans only. Singleton | Dual Price Display starts at Free trial available; Tax Rex ‑ Sales Tax Automation starts at Free trial available. Compare the per-tier features in the Pricing section above before committing.
Tax Rex ‑ Sales Tax Automation has the higher average rating (5.0★ from 115 reviews) compared to Singleton | Dual Price Display (4.8★ from 186 reviews). Both are tracked daily by AppRanks, so the figures here update each refresh cycle.
It depends on what you're optimizing for. Singleton | Dual Price Display fits better if you prioritize broader integrations; Tax Rex ‑ Sales Tax Automation is the call if you need the higher-rated option. Read both apps' detail pages on AppRanks for the full feature breakdown, install counts, and recent listing changes.
Both apps are one-click installs from the Shopify App Store marketplace. Singleton | Dual Price Display has more onboarding documentation maturity (186 reviews vs 115), which usually translates to better-tested setup wizards and quicker time-to-value. AppRanks doesn't measure setup time directly — read the recent reviews on each app's detail page for merchant-reported install experience.
Singleton | Dual Price Display typically suits early-stage and growth-mode stores based on its review-base composition (186 reviews). Tax Rex ‑ Sales Tax Automation aligns more with early-stage and growth-mode stores (115 reviews). Larger review bases generally mean the app has been load-tested at scale — relevant if you're processing high order volume or handling enterprise compliance requirements.
Migration support varies by app and category. Singleton | Dual Price Display and Tax Rex ‑ Sales Tax Automation 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 Tax Rex ‑ Sales Tax Automation" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.
