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1. Listing metadata
Field-level data| Certly | Simple Invoice ‑ Order Printer | |
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| Certly | Simple Invoice ‑ Order Printer | |
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| Tagline | ||
| Description | ||
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Simple Invoice is a modern and minimalistic invoicing application that offers unique features.
| Metric | Certly — Resale & Tax‑Exempt | Simple Invoice ‑ Order Printer |
|---|---|---|
| Rating | — | 4.9 ★ |
| Total reviews | 0 | 415 |
| Free plan | Yes | Yes |
| Pricing | Free trial available | Free to install |
| Built for Shopify | — | ★ Yes |
| Pricing tiers | 3 tiers | ★ 4 tiers |
| Listed features | 5 | 5 |
| Featured placements | — | 2 |
| Languages | 1 supported | 15 supported |
| Listed since | Jun 2026 | Feb 2019 |
Based on the data on this page, Simple Invoice ‑ Order Printer is the stronger choice for most Shopify App Store merchants — 4.9★ vs Certly — Resale & Tax‑Exempt's 0.0★ is a meaningful gap that usually reflects real product or support quality differences across the user base. Pricing entry tiers: Certly — Resale & Tax‑Exempt at Free trial available, Simple Invoice ‑ Order Printer 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 (apps, orders, integrations) varies. Simple Invoice ‑ Order Printer has the larger user base (415 reviews vs 0), which usually maps to broader integration coverage, faster bug-fix cadence, and a deeper bench of community workflow patterns. Certly — Resale & Tax‑Exempt'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 Simple Invoice ‑ Order Printer; mid-market and enterprise merchants with specific feature requirements should evaluate both — Certly — Resale & Tax‑Exempt's 0-review base may include the workflow context that matches your specific use case better than Simple Invoice ‑ Order Printer'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: Certly — Resale & Tax‑Exempt audit • Simple Invoice ‑ Order Printer audit
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| Keyword | Certly | Simple Invoice ‑ Order Printer |
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| simple invoice is | Not ranked | #1 |
| simple invoice | Not ranked | #1 |
| printer | Not ranked | #5 |
Not featured in any section recently.
Both Certly — Resale & Tax‑Exempt and Simple Invoice ‑ Order Printer offer paid plans only. Certly — Resale & Tax‑Exempt starts at Free trial available; Simple Invoice ‑ Order Printer starts at Free to install. Compare the per-tier features in the Pricing section above before committing.
It depends on what you're optimizing for. Certly — Resale & Tax‑Exempt fits better if you prioritize broader integrations; Simple Invoice ‑ Order Printer 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. Simple Invoice ‑ Order Printer has more onboarding documentation maturity (415 reviews vs 0), 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.
Certly — Resale & Tax‑Exempt typically suits early-stage and growth-mode stores based on its review-base composition (0 reviews). Simple Invoice ‑ Order Printer aligns more with early-stage and growth-mode stores (415 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. Certly — Resale & Tax‑Exempt and Simple Invoice ‑ Order Printer 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 Certly — Resale & Tax‑Exempt" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.
