Gender‑API.com vs Mergehouse
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 13, 2026 for Gender‑API.com, Nov 3, 2026 for Mergehouse.
The short answer
- Both list a free plan. Paid plans start at $6.99/month for Gender‑API.com and $3.99/month for Mergehouse.
- Gender‑API.com lists 3 features Mergehouse’s listing doesn’t mention, including APIs, Custom triggers, Scheduled tasks.
Head to head
Free
- · 25 free name lookups per month
- · Automatic customer enrichment
- · Basic gender detection
Basic
- · 5,000 name lookups per month
- · Advanced gender detection
- · Automatic customer enrichment
- · Bulk enrichment
- · Priority support
Premium
- · 100,000 name lookups per month
- · Advanced gender detection
- · Automatic customer enrichment
- · Bulk enrichment
- · Priority support
Ultra
- · 2,000,000 name lookups per month
- · Advanced gender detection
- · Automatic customer enrichment
- · Bulk enrichment
- · Priority support
Free
- · See every duplicate group found
- · Weekly email digest, no merging
Pro
- · Covers high-confidence groups
- · One-click and bulk merge
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureAccurately predict customer gender from first names via Gender-API.com. Gender and confidence scores sync to configurable Shopify metafields and work instantly with Klaviyo, Mailchimp, and Shopify Flow. Build gender-based segments so customers see the most relevant products. Fast, secure, and GDPR-compliant.
Mergehousefinds duplicate customer profiles in your store and lets you merge them safely, without spreadsheets or manual lookups. Every night, it scans your customers and matches on email, phone, and name plus address, scoring each match by confidence. Review every group in your admin, then merge one at a time or in bulk, based on the confidence score.
- Auto-enrich new customer records in real time.
- One-click bulk processing with job progress and logs.
- Configurable metafield namespace and keys for gender and probability.
- Nightly scan finds duplicate customers automatically
- Confidence score shows which matches are safe to merge
- One-click and bulk merge through the customerMerge API
All the numbers
Every figure, side by side
A green dot marks the app ahead on a measured figure. Estimates, gaps and apps that leave no storefront trace never take the lead.
Adoption
| Measure |  Gender‑API.com | |
|---|---|---|
| Detected stores | Not published | Not published |
| Net store change, 28 days | 0 | 0 |
| Stores added, 28 days | Not enough data | Not enough data |
| Big-brand share | Not enough data | Not enough data |
| Top store categories | Not published | Not published |
| Top store countries | Not published | Not published |
Reviews
| Measure | Gender‑API.com | |
|---|---|---|
| App Store rating | 5.0 ★ | Not published |
| App Store reviews | 1 | Not published |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | Gender‑API.com | |
|---|---|---|
| Free plan | Yes | Yes |
| Lowest paid monthly plan | $6.99/month | $3.99/month(ahead) |
| Longest free trial | 7 days | 7 days |
| Plans listed | 4 | 2 |
Listing
| Measure | Gender‑API.com | |
|---|---|---|
| Shopify category rank | #362 | Not enough data |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Jan 22, 2026 | Oct 28, 2026 |
| Languages | 1 | 1 |
| Developer | Markus Perl It Solutions | Metigro |
FAQ
Gender‑API.com and Mergehouse: common questions
- Is Gender‑API.com or Mergehouse cheaper?
- Both list a free plan. Paid plans start at $6.99/month for Gender‑API.com and $3.99/month for Mergehouse. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- What features does each app list that the other doesn’t?
- Gender‑API.com lists 3 the others don’t mention, such as APIs, Custom triggers, Scheduled tasks. A feature missing from a listing may still be supported; this compares what each App Store listing says.
- Where does this comparison’s data come from?
- Shoplist crawls Shopify storefronts to detect which apps each store runs, and reads each app’s Shopify App Store listing for reviews, pricing, features and integrations. Store counts are as of Oct 13, 2026 for Gender‑API.com, Nov 3, 2026 for Mergehouse; estimated figures are labeled.
How Shoplist compares apps
Store counts come from Shoplist’s crawl of Shopify storefronts, which detects the apps each store runs; they are as of Oct 13, 2026 for Gender‑API.com, Nov 3, 2026 for Mergehouse. Reviews, ratings, plans, features and integrations come from each app’s Shopify App Store listing. 28-day figures are labeled when estimated, and a figure that is missing or estimated never decides who leads. Read the methodology.