APSIS

Your tabs, in orbit

A web browser for iPhone and iPad that sorts your tabs into Spaces, can show up to four tabs at once, and doesn't collect data about you. Made for the iPhone Duo, folded and unfolded.

APSIS /ˈæpsɪs/ · the point of an orbit nearest to, or farthest from, what it circles

iOS 26iPadOS 26iOS 27 on iPhone Duo
Privacy

No analytics, no telemetry.

The app doesn't send us anything. History, tabs and settings are stored on your device, in files only your user account can read.

0 analytics0 trackers in the app0 bytes sent to us
  • Private browsingNo history is saved, and cookies and site data are deleted when you close the tabs. While it's on, the astronaut on the button has the visor down.
  • How long history is keptA day, a month, or forever: you choose. Deleted entries are overwritten on disk.
  • Content blockingAd and tracker blocking with uBlock Origin's filter lists, if you turn it on. Tracking parameters are always removed from links.
  • KapselKeeps one site's cookies and storage separate from all other sites.
  • Summaries on the deviceSummaries and explanations use Apple's on-device model. Pages aren't uploaded.
  • Suggestions off by defaultSearch suggestions are off until you turn them on. Favicons are loaded without cookies or a cache.
iPhone Duo and iPad

Two layouts on the iPhone Duo

The layout changes when you fold or unfold the iPhone Duo. Folded, the page uses the main screen and the controls are in the strip next to it. Unfolded, Spaces and tabs get a sidebar.

FoldedThe page fills the screen. Back, reload, new tab and the menu are in the side strip.
UnfoldedSpaces and tabs in a sidebar, Now Playing below them, and Konstellation for several tabs at once.

iPad uses the same sidebar layout, with the controls at the bottom next to a centred address bar.

In detail

Konstellation

Shows up to four tabs at once, for example two streams, or a video next to its chat.

  • Choosing tabsLong-press a tab or open the ⋯ menu, choose Open in Konstellation, and select up to four tabs. They appear in the order you select them.
  • Video onlyOn pages with a large video player, only the player is shown. The rest of the page keeps running, so a live chat stays connected. One tap shows the whole page.
  • SoundOnly one pane plays sound. Tap another pane to switch the sound to it.
  • LayoutsAutomatic picks the layout that shows widescreen video largest. You can also choose side by side, stacked or grid, and drag the dividers to resize.
  • UngroupingWhen you ungroup, the tabs stay open. Private tabs can only be grouped with other private tabs.

How to use it

Tap a pane to hear it. Now playing: Final, court 1

Kapsel

A Kapsel gives one site its own separate storage. Useful for banking, work tools, or sites you don't want to share cookies with others.

  • Separate storageCookies, local storage, caches and service workers belong to that site only. Other sites, Spaces and Kapseln can't access them, and the other way round.
  • Stays signed inUnlike private browsing, a Kapsel keeps your login.
  • ColourEach Kapsel has its own colour around the page and the address bar.
  • LinksLinks to other sites open outside the Kapsel. Sign-in windows the site opens stay inside.
  • RemovingClear a Kapsel to sign out, or take the site out of it to delete everything it stored.

How to use it

Features

Other features

Spaces

Each Space has its own tabs, colour, cookies, pinned tabs and folders, for example one for work and one for home. Favorites are shared across all Spaces.

Now Playing

Audio and video playing in other tabs is listed in the sidebar, with play and pause. If you start Picture in Picture in another tab, the previous video keeps playing.

Flyby

Links can open as a card over the current page. Close it, or turn it into a tab.

Lagebericht

Summarizes a page or explains selected text with Apple Intelligence on your device. Nothing is sent to other AI services.

Lotse

Assign a site to a Space, and its links always open in that Space.

Command bar and bangs

Searches your open tabs and history as you type, opens addresses, and searches the web. Type “yt” and tap the suggestion to search YouTube directly. Bangs like “!w” work anywhere in a search. The most popular ones are built in; DuckDuckGo resolves them and sends you on to the site, whichever search engine you use.

yt › YouTube · !w saturn · !gh webkit

Search engine

DuckDuckGo by default. You can switch to Startpage, Brave Search, Ecosia, Qwant, Google, Bing or Kagi. Search suggestions come from the selected engine, if you turn them on and it offers them.

iCloud Sync

Your Spaces, pinned tabs, Favorites, Lotse and Kapsel rules and settings on your other iPhone and iPad. It goes through your own iCloud, end-to-end encrypted, and stays off until you turn it on. Open tabs, history and website data stay on each device.

Questions

Frequently asked questions

Does APSIS collect anything about me?

No. There are no analytics and no telemetry, and the app doesn't send us anything. Your history, tabs and settings stay on your device, in files only your user account can read.

What's the difference between private browsing and a Kapsel?

Private browsing forgets everything when you close the tabs. A Kapsel keeps one site's login and data, but sealed off from every other site, so you stay signed in there and nowhere else.

Does anything go to iCloud?

Only if you turn on iCloud Sync. Then your Spaces, pinned tabs, Favorites, rules and settings go to your own iCloud, end-to-end encrypted, so neither Apple nor we can read them. There's no APSIS account and no server of ours.

Which engine does it use?

WebKit, the same engine as Safari. Pages work as they do in Safari and get Apple's security updates.

Where do summaries and explanations come from?

From Apple's on-device model, so the page stays on your device. Nothing is sent to other AI services. Without Apple Intelligence, these features aren't available.

Which devices does it run on?

iPhones with iOS 26 and iPads with iPadOS 26. The iPhone layout is designed for the iPhone Duo, folded and unfolded.