diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9cb61bc..788839a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## Unreleased
+
+- README: iPhone install matching is "Opt-in" (was "◐ Beta"), matching "iPhone links: live · install matching: opt-in" on the website and in every SDK.
+
 ## 0.8.1 (7 Nov 2026)
 
 - `SendEventInput` types `eventId` (your order id; the engine stores each eventId once, so a retry
diff --git a/README.md b/README.md
index c36489c..60a3708 100644
--- a/README.md
+++ b/README.md
@@ -62,10 +62,10 @@ STRAIT_API_KEY=st_live_… node quickstart.mjs
 |---|---|---|
 | Create, list, update and delete links | ◐ Beta | `StraitClient`, with your tenant API key. |
 | Conversion events from your backend (`sendEvent`) | ◐ Beta | Pass the `clickId` from the app to tie an event to its tap. |
-| iPhone install matching | ◐ Beta | Happens in your app (the mobile SDKs), not on the server. Your choice in Dashboard → Settings → iPhone installs: device matching, paste handoff, both or neither, read from Strait at runtime. Device matching is off by default. iPhone matches are labelled Estimated until measured. |
+| iPhone install matching | Opt-in | Off until you choose it. Happens in your app (the mobile SDKs), not on the server. Your choice in Dashboard → Settings → iPhone installs: device matching, paste handoff, both or neither, read from Strait at runtime. Device matching is off by default. iPhone matches are labelled Estimated until measured. |
 | Published on npm | ● Live | `npm install @straitlink/node` |
 
-● Live · ◐ Beta · ○ Planned · – Not yet. The same words as the [platform status](https://straitlink.in/platform-status/) page.
+● Live · ◐ Beta · ○ Planned · – Not yet · Opt-in: off until you switch it on. The same words as the [platform status](https://straitlink.in/platform-status/) page.
 
 ## Install