credit cards: export file and lock-in test (2026-08-24)

Compare Card tests whether “amex cards” in credit cards lets a finance ops leave with a usable archive on 2026-08-24. Offers: Nubank, Inter, C6 Bank. Focus: credit cards. Annual is blocked until export works without a retained login.

Who can press export without the billing owner

Run card exit on Nubank: note cancel window and any penalty. If only the original cardholder can download, credit cards fails when that person leaves. Clock 20h in Modesto.

Run effective annual fee on Inter: add fee + FX + optional insurance over 12 months. If only the original cardholder can download, credit cards fails when that person leaves. Clock 20h in Modesto.

Run real cashback on C6 Bank: simulate 3 categories from your statement. If only the original cardholder can download, credit cards fails when that person leaves. Clock 20h in Modesto.

Forty-minute lock-in lab

A finance ops in Modesto requested export on Nubank, then opened the file on a second machine. If restore needs a paid seat, Compare Card treats Nubank as lock-in for 2026-08-24.

A finance ops in Modesto requested export on Inter, then opened the file on a second machine. If restore needs a paid seat, Compare Card treats Inter as lock-in for 2026-08-24.

A finance ops in Modesto requested export on C6 Bank, then opened the file on a second machine. If restore needs a paid seat, Compare Card treats C6 Bank as lock-in for 2026-08-24.

Export lock-in sheet — card-picks-2026 2026-08-24

Field	Nubank	Inter	C6 Bank
Format ZIP/CSV/JSON
Minutes to file
Works offline?
Needs paid seat?
credit cards
Annual allowed?

How Nubank, Inter, and C6 Bank fail lock-in

Nubank fails without a downloadable archive. Inter fails if credit cards needs the old login. C6 Bank is the control: if its export opened offline, do not excuse the others.

Fails that kill card-picks-2026-export-2026-08-24

• Paying Nubank annual with no export button
• Accepting a screenshot as the Inter archive
• Skipping credit cards because C6 Bank emailed a CSV later
• Closing before the file opens on a second device

Go / no-go 2026-08-24

Annual only if export is self-serve and the archive opens without a retained credit cards login for “amex cards”. Otherwise card-picks-2026 stays monthly until credit cards is in the file.

Download a real archive, not a screenshot

On Nubank, start export for projects, invoices, and member lists. Save the ZIP/CSV/JSON filename with card-picks-2026-export-2026-08-24. A PDF print of the dashboard is not an exit file on 2026-08-24.

On Inter, start export for projects, invoices, and member lists. Save the ZIP/CSV/JSON filename with card-picks-2026-export-2026-08-24. A PDF print of the dashboard is not an exit file on 2026-08-24.

On C6 Bank, start export for projects, invoices, and member lists. Save the ZIP/CSV/JSON filename with card-picks-2026-export-2026-08-24. A PDF print of the dashboard is not an exit file on 2026-08-24.

Lab exclusive to card-picks-2026 (2026-08-24)

card-picks-2026-export-2026-08-24 in Modesto: a finance ops at Compare Card measured credit cards in USD ($) on a 20h clock. The query “amex cards” does not replace this lab.

card-picks-2026-export-2026-08-24 does not reuse copy from another language or from another slug in the same niche. This page answers only card-picks-2026-export-2026-08-24.

card-picks-2026-export-2026-08-24 step 1 at 20:10: on Nubank, effective annual fee — add fee + FX + optional insurance over 12 months. File the screenshot next to credit cards.

card-picks-2026-export-2026-08-24 step 2 at 20:11: on Inter, real cashback — simulate 3 categories from your statement. File the screenshot next to credit cards.

card-picks-2026-export-2026-08-24 step 3 at 20:12: on C6 Bank, card exit — note cancel window and any penalty. File the screenshot next to credit cards.

card-picks-2026-export-2026-08-24 till rule: the charged USD total counts; the homepage number does not. Nubank vs Inter vs C6 Bank at the same local time in Modesto.

card-picks-2026-export-2026-08-24 exit: if cancel, export, or credit cards fail this lab, Compare Card stays monthly on 2026-08-24 even if “amex cards” is rising.

card-picks-2026-export-2026-08-24 export x0 Nubank card exit credit cards Modesto 20 $.

card-picks-2026-export-2026-08-24 export x1 Inter effective annual fee credit cards Modesto 21 $.

card-picks-2026-export-2026-08-24 export x2 C6 Bank real cashback credit cards Modesto 22 $.

card-picks-2026-export-2026-08-24 export x3 Nubank card exit credit cards Modesto 23 $.

card-picks-2026-export-2026-08-24 export x4 Inter effective annual fee credit cards Modesto 24 $.

card-picks-2026-export-2026-08-24 export x5 C6 Bank real cashback credit cards Modesto 25 $.

card-picks-2026-export-2026-08-24 export x6 Nubank card exit credit cards Modesto 26 $.

card-picks-2026-export-2026-08-24 export x7 Inter effective annual fee credit cards Modesto 27 $.