| Euler | Koalify - Merge & Deduplicate | |
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| Description | — | |
| Screenshots | — | — |
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| Last updated | — | — |
| Metric | Euler | Koalify - Merge & Deduplicate |
|---|---|---|
| Rating | ★ 5.0 ★ | 5.0 ★ |
| Total reviews | 7 | ★ 128 |
| Active installs | 65+ | 4,813+ |
| Free plan | — | ★ Yes |
| Pricing | Growth Plan | Free plan available |
| Pricing tiers | 3 tiers | 3 tiers |
| Listed since | Oct 2024 | Feb 2024 |
Euler and Koalify - Merge & Deduplicate 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.
On pricing, Koalify - Merge & Deduplicate offers a free tier (Free plan available) while Euler starts at Growth Plan. The free option meaningfully reduces evaluation cost, particularly at low usage volumes where the entry-paid tier can outpace the value delivered.
Koalify - Merge & Deduplicate has the larger user base (128 reviews vs 7), which usually maps to broader integration coverage, faster bug-fix cadence, and a deeper bench of community workflow patterns. Euler's smaller cohort can be an advantage for niche workflows where the bigger app has accumulated bloat.
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 teams 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 HubSpot App Marketplace 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: Euler audit • Koalify - Merge & Deduplicate audit
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Koalify - Merge & Deduplicate is the cheaper option — it offers a free plan (Free plan available). Euler starts at Growth Plan. Both publish their pricing on the HubSpot App Marketplace; AppRanks mirrors what's listed on each refresh cycle.
Euler (5.0★, 7 reviews) and Koalify - Merge & Deduplicate (5.0★, 128 reviews) are essentially tied on rating. Look at review velocity and individual reviewer quotes — both visible on each app's detail page — to differentiate.
Euler holds the higher average rating (5.0★ vs 5.0★). 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 HubSpot App Marketplace. Koalify - Merge & Deduplicate has the deeper published review base (128 vs 7), 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.
Euler typically suits early-stage and growth-mode teams based on its published review base (7 reviews). Koalify - Merge & Deduplicate typically suits early-stage and growth-mode teams based on its published review base (128 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. Euler and Koalify - Merge & Deduplicate 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 Euler" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.
