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SewSnap: Singer Serial Number
Scan the plate or type the serial. Exact year, factory, model family, and what the machine is worth today.
SewSnap identifies vintage sewing machines from their serial number. Type or scan the serial, or search by model, and SewSnap cross-references official ISMACS production records to return the exact manufacture year, factory of origin, and model family for any Singer built between 1900 and 1971, plus decade-level dating for Bernina, Pfaff, Husqvarna, White, Elna, and Brother. Pro adds an estimated value and live eBay listings so you know what a machine is worth.
Exact year, not a guessSinger serials from 1900 to 1971 decode against bundled ISMACS production records. 9,181 batch ranges covering 81 million machines.
Scan, type, or searchFrame the serial plate, type the digits, or search by model name. Three ways in, one Result Card out.
Factory of originElizabethport NJ, Clydebank, Kilbowie, Bridgeport. Provenance straight from the serial table, not crowdsourced.
Featherweight auto-flagSinger 221, 222K, 201, 301, 500, and 503 light up the moment a scan completes. Cult finds earn a celebration.
Live eBay listingsTap through to current active listings for your exact model. Sanity-check the market yourself, price with data.
Collection trackerEvery find saved on your device. Portfolio total, value-history sparkline, refresh all in one tap.
What you get
Identification, valuation, and collection tracking for vintage sewing machines, no account, runs on your device.
Singer Serial Lookup Free
Deterministic ISMACS match for serials 1900 to 1971
Manual Serial Entry Free
Unlimited typed lookups, prefix chip rail, live match
Model Name Search Free
577-entry catalogue across the Singer lineup
Camera Scan Free
3 lifetime free finds with full feature access
Multi-Brand Decade ID Free
Bernina, Pfaff, Husqvarna, White, Elna, Brother, New Home
Cult Collectible Flag Free
Featherweight, Free-Arm, Rocketeer auto-detection
100 Scans / Month Annual
Camera-scan quota refills every month
Live eBay Listings Annual
Current active listings filtered to your exact model
Unlimited Collection Annual
Track every machine you own in one place
Value-History Sparkline Annual
Watch each machine's estimated value drift over time
Portfolio Delta Annual
Total estimated value with up/down pill on every refresh
Shareable Find Cards Free
9:16 and 1:1 cards for Featherweight groups and Reddit
200 Scans / Month Lifetime
Forever, no renewal
PDF Appraisal Export Lifetime
A clean PDF report for your records, consignor, or buyer
Offline History Free
Every find saved on your phone, no account required
iOS 26 Design Free
Editorial Pocket Curator aesthetic, light and dark mode
Free
$0
No account, no ads
3 lifetime finds with
full feature access.
Unlimited typed lookups and search.
full feature access.
Unlimited typed lookups and search.
Annual
$29.99 / yr
or $5.99 / mo · cancel anytime
100 scans per month,
live eBay listings,
unlimited collection, value history
live eBay listings,
unlimited collection, value history
Lifetime
$79.99
One-time. Yours forever.
200 scans per month forever,
plus PDF appraisal
export
plus PDF appraisal
export
Frequently asked questions
How do I find out what year my Singer sewing machine is?
Type or scan the serial number, or search by model name. SewSnap matches it against official ISMACS production records and returns the exact manufacture year for Singer machines made between 1900 and 1971, along with the factory and model.
What does SewSnap tell me about a machine?
Every identification is free and includes the manufacture year, factory of origin, model family, and a short plain-language history of the model. Singer 221 Featherweights and other cult collectibles are flagged automatically.
Which sewing machine brands are supported?
Singer is dated to the exact year via ISMACS records. Bernina, Pfaff, Husqvarna, Husqvarna Viking, White, New Home, Elna, and Brother are identified at decade-level precision.
How does SewSnap estimate what a machine is worth?
Pro shows an estimated dollar value plus the factors that move it, such as condition, variant, and accessories, and links to current active eBay listings for your exact model so you can check the market yourself. It is a market estimate, not a certified appraisal.
Is SewSnap free?
Yes to start. Unlimited typed serial lookups, model search, and one saved machine are free with no account, plus three camera scans to read a plate. Pro (from $5.99 per month, $29.99 per year, or $79.99 lifetime) unlocks value estimates, eBay listings, and an unlimited collection.
What is a Singer Featherweight?
The Singer 221 and 222K, known as Featherweights, are small, portable, and highly collectible. SewSnap detects them and other collectibles the moment a scan completes.
Last updated: May 31, 2026