Does CAIXA work on iPhone Duo?
Not yet. CAIXA's current version (6.1.3, 24 September 2026) came out before Apple's iPhone Duo tools, so on the inner screen it opens in an iPhone-size window with black bars. It works, just not full screen.
- On iPhone Duo
- Not yet
- Developer
- Caixa Econômica Federal
- Category
- Finance
- Current version
- 6.1.3 · 24 September 2026
- Popularity
- #31 in the top charts in Brazil
- App Store rating
- 4.1 out of 5 (295,888 ratings)
- Last checked
How we know
Its current version is older than Apple's iPhone Duo tools (5 October 2026): on the inner screen it opens in an iPhone-size window with black bars. See it on the App Store
History on iPhone Duo
- · Not yet (version 6.1.3)
Other Finance apps on iPhone Duo
-
MAIS CardMAIS UP · FinanceUpdated, unconfirmedUpdated 12 October 2026 -
CAIXA TemCaixa Econômica Federal · FinanceUpdated, unconfirmedUpdated 7 October 2026 -
Mercado PagoMercadoLibre · FinanceUpdated, unconfirmedUpdated 23 October 2026 -
SerasaSerasa Experian · FinanceUpdated, unconfirmedUpdated 24 October 2026 -
InfinitePay Tap, Conta, CartãoCloudWalk, Inc. · FinanceUpdated, unconfirmedUpdated 26 October 2026 -
FGTSCaixa Econômica Federal · FinanceUpdated, unconfirmedUpdated 14 October 2026 -
InterBanco Inter · FinanceUpdated, unconfirmedUpdated 21 October 2026 -
PicPayPicPay Apps · FinanceUpdated, unconfirmedUpdated 23 October 2026
All apps on iPhone Duo in Brazil →
Got an iPhone Duo? How does CAIXA look on the inner screen?
No owner report yet for version 6.1.3.
Still looking for the iPhone Duo itself? Restocks sell out within minutes: get an alert the moment one lands near you.
Good to know
Does CAIXA work on iPhone Duo?
Not yet. CAIXA's current version (6.1.3, 24 September 2026) came out before Apple's iPhone Duo tools, so on the inner screen it opens in an iPhone-size window with black bars. It works, just not full screen.
Why do some apps have black bars on iPhone Duo?
Because they were built before Apple's iPhone Duo tools. On the inner screen, an app built for an older iOS opens in an iPhone-size window on a black background; one built for iOS 27.0 uses more of it but leaves some space blank; only apps built with the iOS 27.1 SDK, which developers have had since 5 October 2026, use the whole display.
When will CAIXA be adapted to iPhone Duo?
Only Caixa Econômica Federal knows. We check CAIXA on the App Store again within about 1 h: this page changes as soon as a new version says it supports iPhone Duo.
Do apps that aren't adapted still work on iPhone Duo?
Yes. Every iPhone app runs on iPhone Duo: one that isn't adapted just doesn't fill the inner screen until its developer updates it.
How we measure
Sources: Apple's list of apps adapted to iPhone Duo (22 October 2026) and each app's App Store record (version, release date, release notes, description). Apple doesn't say which tools an app was built with, so an app stays “Updated, unconfirmed” until its developer says more.