Inspection proof for iPhone resellers.
Give buyers more confidence with certified device checks attached to every listing. Run the full 50-point inspection, then issue a verifiable certificate that backs your grade.
- 50-point on-device inspection
- Verifiable certificates
- No login to verify
Selling used iPhones online runs on trust you can rarely prove
Buyers cannot hold the device before they pay. Without proof, every listing competes on claims alone.
Selling on claims alone
- Buyers ask the same condition questions on every listing
- Returns and partial-refund requests after the sale
- Marketplace disputes you cannot easily contest
- A trust gap against larger sellers and storefronts
- Inconsistent grading from one device to the next
Selling with certified proof
- A certificate answers the condition questions up front
- Documented pass/fail results reduce post-sale surprises
- A scannable reference gives you something to point to in a dispute
- Verifiable proof closes the trust gap on the listing itself
- The same 50-point inspection grades every device the same way
From inspection to a listing buyers can verify
Test the device, certify the result, and attach proof anywhere you sell — eBay, Swappa, Back Market, Mercari, or Facebook Marketplace.
A full 50-point check
Display, touch, cameras, speakers, microphones, sensors, Face ID or Touch ID, buttons, battery health, and connectivity — all measured on-device, not estimated.
See the inspectionA certificate for every listing
Each check issues a tamper-evident certificate with model, iOS, capacity, pass and fail counts, inspection date, and result — non-PII device facts only.
Explore certificatesProof buyers can verify
Buyers scan a reference and confirm the certificate themselves — no account, no login. A refunded purchase invalidates the certificate, so proof stays honest.
How verification worksActivation lock confidence
Confirm Find My and activation-lock status and verify the wipe before you list, so devices ship clean and ready for the next owner.
Activation & wipe checksConsistent grading
Run the same inspection on every device so your grades hold up across hundreds of sales and your listings read the same way every time.
See the workflowRoom to grow
Start on a single bench and add seats as you scale. Checks draw from one shared team pool, so a growing operation never juggles separate balances.
View pricing
What every plan includes
- On-device inspection
- 50-point
- On-device inspection
- Starter plan
- From $49/mo
- Starter plan
- Tamper-evident certificates
- Verifiable
- Tamper-evident certificates
Questions, answered
Common questions for teams like yours.
Where can I use Synapse certificates when I sell?
Anywhere you list. The certificate is publicly verifiable through a scannable reference, so you can share it on eBay, Swappa, Back Market, Mercari, Facebook Marketplace, or your own store. Buyers verify it without an account.
Do buyers need an account to verify a certificate?
No. Verification requires no login. A buyer scans the reference and sees the non-PII device facts — model, iOS, capacity, pass and fail counts, inspection date, validity, and result.
What does the certificate show?
Non-PII device facts only: model, iOS version, capacity, pass and fail counts from the 50-point inspection, inspection date, validity, and the result or grade. It never exposes personal data.
What happens to a certificate if a sale is refunded?
A refunded purchase invalidates the certificate. That keeps proof tied to a real, completed check and protects buyers from stale or reused certificates.
Which plan should a small reseller start on?
Starter is built for a single bench getting certified: $49 per month, 2 seats, and 50 checks. As volume grows, Growth and Scale add more seats and a larger shared check pool. See the pricing page for the full breakdown.
Certify your next phone with confidence
Subscribe your shop in minutes. Run the 50-point inspection, issue verifiable certificates, and grade every device the same way — every time.