diff --git a/apps/mobile/src/features/usage/UsageLimitsPooled.tsx b/apps/mobile/src/features/usage/UsageLimitsPooled.tsx
index 713b9ffd160f..b4e0a99d762e 100644
--- a/apps/mobile/src/features/usage/UsageLimitsPooled.tsx
+++ b/apps/mobile/src/features/usage/UsageLimitsPooled.tsx
@@ -21,7 +21,7 @@ import { useSafeAreaInsets } from "react-native-safe-area-context";
 
 import { SymbolView } from "../../components/AppSymbol";
 import { AppText as Text } from "../../components/AppText";
-import { ProviderIcon } from "../../components/ProviderIcon";
+import { ProviderIcon, ProviderInstanceIcon } from "../../components/ProviderIcon";
 import { SettingsScreen } from "../settings/components/SettingsScreen";
 import { environmentPresentations } from "../../state/presentation";
 import { ResetCredits } from "./UsageLimitsSection";
@@ -37,6 +37,28 @@ function accountName(account: LimitAccount) {
   return `${local[0] ?? ""}${domain[0] ?? ""}`.toUpperCase() || "Account";
 }
 
+/**
+ * The account's own mark, matching the web Limits bar: the provider glyph with
+ * its account initials badge. Replaces the position number that was hard to map
+ * to an account.
+ */
+function AccountAvatar({ account }: { readonly account: LimitAccount }) {
+  return (
+    <ProviderInstanceIcon
+      provider={account.driver}
+      size={20}
+      // Initials from the full email, as on web: two addresses on one domain
+      // would otherwise share a badge.
+      displayName={account.displayName ?? account.email ?? accountName(account)}
+      accentColor={account.accentColor}
+      showBadge={Boolean(account.displayName ?? account.email)}
+      // The badge sits on hatched segments and list rows, with no single
+      // background for its ring to match.
+      surfaceColor="transparent"
+    />
+  );
+}
+
 /** The spent share comes back at reset. SVG keeps the hatching static on both platforms. */
 function AccountSegment({
   remaining,
@@ -123,13 +145,13 @@ function PoolWindowCard({
         </Text>
       ) : null}
       <View className="flex-row gap-1">
-        {pool.columns.map(({ account, window }, index) => {
+        {pool.columns.map(({ account, window }) => {
           if (!window) return <View key={account.key} className="h-7 min-w-0 flex-1" />;
           return (
             <Pressable
               key={account.key}
               accessibilityRole="button"
-              accessibilityLabel={`Segment ${index + 1}, ${accountName(account)}, ${remainingPercent(window)}% left`}
+              accessibilityLabel={`${accountName(account)}, ${remainingPercent(window)}% left`}
               accessibilityHint="Show account details"
               onPress={() => openAccount(account)}
               className="h-7 min-w-0 flex-1 overflow-hidden rounded-md bg-subtle"
@@ -140,16 +162,14 @@ function PoolWindowCard({
                 pending={Boolean(window.resetsAt)}
               />
               <View pointerEvents="none" className="absolute inset-0 items-center justify-center">
-                <Text className="text-xs font-t3-medium tabular-nums text-foreground">
-                  {index + 1}
-                </Text>
+                <AccountAvatar account={account} />
               </View>
             </Pressable>
           );
         })}
       </View>
       <View>
-        {pool.columns.map(({ account, window }, index) => {
+        {pool.columns.map(({ account, window }) => {
           if (!window) return null;
           const credits = account.limits.resetCredits?.availableCount ?? 0;
           const resetsIn = formatResetsIn(window, now);
@@ -157,16 +177,12 @@ function PoolWindowCard({
             <Pressable
               key={account.key}
               accessibilityRole="button"
-              accessibilityLabel={`Segment ${index + 1}, ${accountName(account)}, ${remainingPercent(window)}% left${resetsIn ? `, ${resetsIn}` : ""}${credits ? `, ${credits} reset credits banked` : ""}`}
+              accessibilityLabel={`${accountName(account)}, ${remainingPercent(window)}% left${resetsIn ? `, ${resetsIn}` : ""}${credits ? `, ${credits} reset credits banked` : ""}`}
               accessibilityHint="Show account details"
               onPress={() => openAccount(account)}
               className="min-h-[44px] flex-row items-center gap-2 active:opacity-60"
             >
-              <View className="size-5 items-center justify-center overflow-hidden rounded-md bg-subtle-strong">
-                <Text className="text-xs font-t3-medium tabular-nums text-foreground">
-                  {index + 1}
-                </Text>
-              </View>
+              <AccountAvatar account={account} />
               <Text
                 numberOfLines={1}
                 className="min-w-0 flex-1 text-sm font-t3-medium text-foreground"
diff --git a/apps/web/src/components/usage/UsageLimitsPooled.tsx b/apps/web/src/components/usage/UsageLimitsPooled.tsx
index d99ce30b475c..746d860a45b5 100644
--- a/apps/web/src/components/usage/UsageLimitsPooled.tsx
+++ b/apps/web/src/components/usage/UsageLimitsPooled.tsx
@@ -67,7 +67,8 @@ function AccountChip({ email }: { readonly email: string }) {
 
 /**
  * The same mark the model picker uses for a native instance (provider glyph,
- * initials badge, accent); hub accounts have no instance, so they get the chip.
+ * initials badge, accent). A hub account with an email and no instance gets the
+ * two-letter chip; anything else still gets the glyph, so no account is blank.
  */
 function AccountAvatar({
   account,
@@ -76,22 +77,25 @@ function AccountAvatar({
   readonly account: LimitAccount;
   readonly className?: string;
 }) {
-  if (account.redeem) {
+  if (!account.email || account.redeem) {
     return (
       <ProviderInstanceIcon
         driverKind={account.driver}
-        displayName={
-          account.displayName ?? getDriverOption(account.driver)?.label ?? String(account.driver)
-        }
+        displayName={account.displayName ?? account.email ?? accountLabel(account)}
         accentColor={account.accentColor}
-        showBadge={Boolean(account.displayName)}
+        showBadge={Boolean(account.displayName ?? account.email)}
         indicatorBackground="var(--popover)"
         className={cn("size-5", className)}
         iconClassName="size-4 text-foreground/80"
       />
     );
   }
-  return account.email ? <AccountChip email={account.email} /> : null;
+  return <AccountChip email={account.email} />;
+}
+
+/** The account's label beside its avatar: the instance name when there is one, else the driver label. */
+function accountLabel(account: LimitAccount): string {
+  return account.displayName ?? getDriverOption(account.driver)?.label ?? String(account.driver);
 }
 
 /**
@@ -114,11 +118,7 @@ function AccountName({
       </span>
     );
   }
-  return (
-    <span className={className}>
-      {getDriverOption(account.driver)?.label ?? String(account.driver)}
-    </span>
-  );
+  return <span className={className}>{accountLabel(account)}</span>;
 }
 
 function Row({ label, children }: { readonly label: string; readonly children: ReactNode }) {
@@ -165,9 +165,7 @@ function SegmentPopover({
       <div className="flex min-w-0 flex-col gap-0.5">
         <span className="flex items-center gap-2 text-sm font-medium text-foreground">
           <AccountAvatar account={account} />
-          <span className="truncate">
-            {account.displayName ?? getDriverOption(account.driver)?.label ?? account.driver}
-          </span>
+          <span className="truncate">{accountLabel(account)}</span>
         </span>
         {account.email ? (
           <RedactedSensitiveText
@@ -236,7 +234,7 @@ function PoolSegment({
   readonly reset: LimitPoolWindow["resets"][number] | undefined;
   readonly color: string;
   readonly now: number;
-  /** 1-based position in the bar, shown on the strip and its legend row to tie them together. */
+  /** 1-based position in the bar, placing the segment and its legend row in the same column. */
   readonly index: number;
   readonly showAccountName: boolean;
 }) {
@@ -276,16 +274,16 @@ function PoolSegment({
         ) : null}
         <span
           aria-hidden
-          className="absolute inset-0 flex items-center justify-center text-3xs leading-none font-semibold text-foreground/80 tabular-nums @2xl/pool:hidden"
+          className="absolute inset-0 flex items-center justify-center @2xl/pool:hidden"
         >
-          {index}
+          <AccountAvatar account={account} />
         </span>
         <div className="relative hidden h-full min-w-0 items-center gap-1.5 px-2 text-xs @2xl/pool:flex">
+          <AccountAvatar account={account} />
           {showAccountName ? (
-            <AccountName
-              account={account}
-              className="min-w-0 truncate font-medium text-foreground"
-            />
+            <span className="min-w-0 truncate font-medium text-foreground">
+              {accountLabel(account)}
+            </span>
           ) : null}
           <span className="shrink-0 font-semibold text-foreground tabular-nums">{remaining}%</span>
           {/* Countdown and badge get their own plate: fill and hatching run under them otherwise. */}
@@ -307,7 +305,7 @@ function PoolSegment({
           </span>
         </div>
       </PopoverTrigger>
-      <LegendRow account={account} window={window} color={color} now={now} index={index} />
+      <LegendRow account={account} window={window} now={now} index={index} />
       {account.redeem ? (
         <RedeemableSegmentPopup
           account={account}
@@ -341,13 +339,11 @@ function PoolSegment({
 function LegendRow({
   account,
   window,
-  color,
   now,
   index,
 }: {
   readonly account: LimitAccount;
   readonly window: LimitPoolMember["window"];
-  readonly color: string;
   readonly now: number;
   readonly index: number;
 }) {
@@ -360,16 +356,8 @@ function LegendRow({
       render={<Button variant="ghost" size="compact" />}
       className="min-w-0 @2xl/pool:hidden"
     >
-      <span className="relative inline-flex size-4 shrink-0 items-center justify-center rounded-sm text-3xs leading-none font-semibold text-foreground/80 tabular-nums">
-        <span
-          aria-hidden
-          className="absolute inset-0 rounded-sm opacity-35"
-          style={{ backgroundColor: color }}
-        />
-        <span className="sr-only">Segment </span>
-        <span className="relative">{index}</span>
-      </span>
-      <AccountName account={account} className="min-w-0 truncate font-medium text-foreground" />
+      <AccountAvatar account={account} />
+      <span className="min-w-0 truncate font-medium text-foreground">{accountLabel(account)}</span>
       <span className="shrink-0 font-semibold text-foreground tabular-nums">{remaining}%</span>
       <span className="ms-auto flex shrink-0 items-center gap-1.5 text-2xs text-muted-foreground tabular-nums">
         {resetsIn?.replace("resets in ", "↻ ") ?? ""}
@@ -445,9 +433,9 @@ function RedeemableSegmentPopup({
  * the share of that account's quota still open. Equal widths are honest: every
  * account contributes the same share of the pool, whatever its plan.
  *
- * Wide, each segment carries its own label. Narrow, the bar is a bare strip
- * and a legend below lists the accounts in the same order; both open the
- * same popover.
+ * Wide, each segment carries its own avatar and label. Narrow, the segment
+ * shows the avatar alone and a legend below repeats it with the label; both
+ * open the same popover.
  */
 function PoolBar({
   pool,
diff --git a/packages/shared/src/usageLimits.test.ts b/packages/shared/src/usageLimits.test.ts
index b2bef55cb108..ebe9f3d75f02 100644
--- a/packages/shared/src/usageLimits.test.ts
+++ b/packages/shared/src/usageLimits.test.ts
@@ -536,6 +536,18 @@ describe("pools", () => {
     expect(accounts[0]?.displayName).toBe("claude-team-seat");
   });
 
+  it("normalizes a hub account whose stripped id is empty to no display name", () => {
+    const hub = {
+      ...source,
+      accounts: [{ id: ".json", driver: claude, usageLimits: { checkedAt, windows: [window] } }],
+    };
+    const input = new Map([
+      [EnvironmentId.make("env-a"), { ...laptop, serverConfig: { usageLimitSources: [hub] } }],
+    ]);
+    const accounts = collectLimitAccounts(input);
+    expect(accounts[0]?.displayName ?? null).toBeNull();
+  });
+
   it("pools windows by id across accounts and orders resets by when they land", () => {
     const input = new Map([
       [
diff --git a/packages/shared/src/usageLimits.ts b/packages/shared/src/usageLimits.ts
index b1211bffd54d..2ce3f141d24f 100644
--- a/packages/shared/src/usageLimits.ts
+++ b/packages/shared/src/usageLimits.ts
@@ -261,7 +261,7 @@ export function collectLimitAccounts(presentations: LimitPresentations): readonl
           {
             key: `${source.id}:${account.id}`,
             driver: account.driver,
-            displayName: account.email ? null : account.id.replace(/\.json$/i, ""),
+            displayName: account.email ? null : account.id.replace(/\.json$/i, "") || null,
             email: account.email,
             plan: account.plan,
             accentColor: undefined,