Gender‑API.com vs Singulary ‑ Merge Customers
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, Oct 26, 2026 for Singulary.
The short answer
- On the Shopify App Store: Gender‑API.com 5.0 from 1 reviews and Singulary 5.0 from 12 reviews.
- Both list a free plan. Paid plans start at $6.99/month for Gender‑API.com and $9/month for Singulary.
- Singulary lists 4 features Gender‑API.com’s listing doesn’t mention, including Conditional logic, Custom workflows, Fraud detection.
Head to head
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
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
- · Limited view of duplicates
- · Up to 1 scan
- · Up to 10 merges
Growth
- · Auto-detect new duplicates
- · Bulk merges
- · Customer data health fixes
- · Unlimited merges
- · Unlimited scans
- · Up to 25,000 customers
Business
- · Auto-detect new duplicates
- · Bulk merges
- · Customer data health fixes
- · Unlimited merges
- · Unlimited scans
- · Up to 100,000 customers
Enterprise
- · Auto-detect new duplicates
- · Bulk merges
- · Customer data health fixes
- · Scans up to 750,000 customers
- · Unlimited merges
- · Unlimited scans
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.
When your store has duplicate customers or email typos, order history splits, emails bounce, and LTV and marketing segments break. Singulary audits your whole customer list: it detects duplicate profiles by name, email, address and phone, scores each match by confidence, and flags invalid emails and incomplete addresses. Merge and fix them in bulk or side-by-side.
- 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.
- Automatic scanning of entire customer database to identify potential matches.
- Smart duplicate detection across email, phone, name, address, and VAT numbers.
- Review and customize merge options with side-by-side customer comparisons.
- Preserve all orders, addresses, and tags, after merging.
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 |  Singulary |
|---|---|---|
| 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 | Singulary |
|---|---|---|
| App Store rating | 5.0 ★ | 5.0 ★ |
| App Store reviews | 1 | 12(ahead) |
| 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 | Singulary |
|---|---|---|
| Free plan | Yes | Yes |
| Lowest paid monthly plan | $6.99/month(ahead) | $9/month |
| Longest free trial | 7 days | Not listed |
| Plans listed | 4 | 4 |
Listing
| Measure | Gender‑API.com | Singulary |
|---|---|---|
| Shopify category rank | #363 | #39(ahead) |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | Yes |
| Launched | Jan 22, 2026 | Mar 2, 2026 |
| Languages | 1 | 1 |
| Developer | Markus Perl It Solutions | Small Victories |
FAQ
Gender‑API.com and Singulary: common questions
- Is Gender‑API.com or Singulary cheaper?
- Both list a free plan. Paid plans start at $6.99/month for Gender‑API.com and $9/month for Singulary. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- Which has better reviews, Gender‑API.com or Singulary?
- On the Shopify App Store: Gender‑API.com 5.0 from 1 reviews and Singulary 5.0 from 12 reviews.
- What features does each app list that the other doesn’t?
- Gender‑API.com lists 2 the others don’t mention, such as APIs, Scheduled tasks. Singulary lists 4 the others don’t mention, such as Conditional logic, Custom workflows, Fraud detection, Time-based. 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, Oct 26, 2026 for Singulary; 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, Oct 26, 2026 for Singulary. 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.