diff --git a/src/alf/atoms.ts b/src/alf/atoms.ts
index d2e7ffc2ee..9f75d305ae 100644
--- a/src/alf/atoms.ts
+++ b/src/alf/atoms.ts
@@ -225,43 +225,43 @@ export const atoms = {
   },
   text_2xs: {
     fontSize: tokens.fontSize._2xs,
-    letterSpacing: 0.25,
+    letterSpacing: tokens.TRACKING,
   },
   text_xs: {
     fontSize: tokens.fontSize.xs,
-    letterSpacing: 0.25,
+    letterSpacing: tokens.TRACKING,
   },
   text_sm: {
     fontSize: tokens.fontSize.sm,
-    letterSpacing: 0.25,
+    letterSpacing: tokens.TRACKING,
   },
   text_md: {
     fontSize: tokens.fontSize.md,
-    letterSpacing: 0.25,
+    letterSpacing: tokens.TRACKING,
   },
   text_lg: {
     fontSize: tokens.fontSize.lg,
-    letterSpacing: 0.25,
+    letterSpacing: tokens.TRACKING,
   },
   text_xl: {
     fontSize: tokens.fontSize.xl,
-    letterSpacing: 0.25,
+    letterSpacing: tokens.TRACKING,
   },
   text_2xl: {
     fontSize: tokens.fontSize._2xl,
-    letterSpacing: 0.25,
+    letterSpacing: tokens.TRACKING,
   },
   text_3xl: {
     fontSize: tokens.fontSize._3xl,
-    letterSpacing: 0.25,
+    letterSpacing: tokens.TRACKING,
   },
   text_4xl: {
     fontSize: tokens.fontSize._4xl,
-    letterSpacing: 0.25,
+    letterSpacing: tokens.TRACKING,
   },
   text_5xl: {
     fontSize: tokens.fontSize._5xl,
-    letterSpacing: 0.25,
+    letterSpacing: tokens.TRACKING,
   },
   leading_tight: {
     lineHeight: 1.15,
@@ -273,10 +273,7 @@ export const atoms = {
     lineHeight: 1.5,
   },
   tracking_normal: {
-    letterSpacing: 0,
-  },
-  tracking_wide: {
-    letterSpacing: 0.25,
+    letterSpacing: tokens.TRACKING,
   },
   font_normal: {
     fontWeight: tokens.fontWeight.normal,
diff --git a/src/alf/tokens.ts b/src/alf/tokens.ts
index 0208945eeb..d43d2b67dd 100644
--- a/src/alf/tokens.ts
+++ b/src/alf/tokens.ts
@@ -1,3 +1,7 @@
+import {Platform} from 'react-native'
+
+export const TRACKING = Platform.OS === 'android' ? 0.1 : 0
+
 export const color = {
   temp_purple: 'rgb(105 0 255)',
   temp_purple_dark: 'rgb(83 0 202)',
diff --git a/src/lib/themes.ts b/src/lib/themes.ts
index 9590f16596..6b691a3fc1 100644
--- a/src/lib/themes.ts
+++ b/src/lib/themes.ts
@@ -1,5 +1,6 @@
 import {Platform} from 'react-native'
 
+import {tokens} from '#/alf'
 import {darkPalette, dimPalette, lightPalette} from '#/alf/themes'
 import {colors} from './styles'
 import type {Theme} from './ThemeContext'
@@ -88,163 +89,163 @@ export const defaultTheme: Theme = {
   typography: {
     '2xl-thin': {
       fontSize: 18,
-      letterSpacing: 0.25,
+      letterSpacing: tokens.TRACKING,
       fontWeight: '300',
     },
     '2xl': {
       fontSize: 18,
-      letterSpacing: 0.25,
+      letterSpacing: tokens.TRACKING,
       fontWeight: '400',
     },
     '2xl-medium': {
       fontSize: 18,
-      letterSpacing: 0.25,
+      letterSpacing: tokens.TRACKING,
       fontWeight: '500',
     },
     '2xl-bold': {
       fontSize: 18,
-      letterSpacing: 0.25,
+      letterSpacing: tokens.TRACKING,
       fontWeight: '700',
     },
     '2xl-heavy': {
       fontSize: 18,
-      letterSpacing: 0.25,
+      letterSpacing: tokens.TRACKING,
       fontWeight: '800',
     },
     'xl-thin': {
       fontSize: 17,
-      letterSpacing: 0.25,
+      letterSpacing: tokens.TRACKING,
       fontWeight: '300',
     },
     xl: {
       fontSize: 17,
-      letterSpacing: 0.25,
+      letterSpacing: tokens.TRACKING,
       fontWeight: '400',
     },
     'xl-medium': {
       fontSize: 17,
-      letterSpacing: 0.25,
+      letterSpacing: tokens.TRACKING,
       fontWeight: '500',
     },
     'xl-bold': {
       fontSize: 17,
-      letterSpacing: 0.25,
+      letterSpacing: tokens.TRACKING,
       fontWeight: '700',
     },
     'xl-heavy': {
       fontSize: 17,
-      letterSpacing: 0.25,
+      letterSpacing: tokens.TRACKING,
       fontWeight: '800',
     },
     'lg-thin': {
       fontSize: 16,
-      letterSpacing: 0.25,
+      letterSpacing: tokens.TRACKING,
       fontWeight: '300',
     },
     lg: {
       fontSize: 16,
-      letterSpacing: 0.25,
+      letterSpacing: tokens.TRACKING,
       fontWeight: '400',
     },
     'lg-medium': {
       fontSize: 16,
-      letterSpacing: 0.25,
+      letterSpacing: tokens.TRACKING,
       fontWeight: '500',
     },
     'lg-bold': {
       fontSize: 16,
-      letterSpacing: 0.25,
+      letterSpacing: tokens.TRACKING,
       fontWeight: '700',
     },
     'lg-heavy': {
       fontSize: 16,
-      letterSpacing: 0.25,
+      letterSpacing: tokens.TRACKING,
       fontWeight: '800',
     },
     'md-thin': {
       fontSize: 15,
-      letterSpacing: 0.25,
+      letterSpacing: tokens.TRACKING,
       fontWeight: '300',
     },
     md: {
       fontSize: 15,
-      letterSpacing: 0.25,
+      letterSpacing: tokens.TRACKING,
       fontWeight: '400',
     },
     'md-medium': {
       fontSize: 15,
-      letterSpacing: 0.25,
+      letterSpacing: tokens.TRACKING,
       fontWeight: '500',
     },
     'md-bold': {
       fontSize: 15,
-      letterSpacing: 0.25,
+      letterSpacing: tokens.TRACKING,
       fontWeight: '700',
     },
     'md-heavy': {
       fontSize: 15,
-      letterSpacing: 0.25,
+      letterSpacing: tokens.TRACKING,
       fontWeight: '800',
     },
     'sm-thin': {
       fontSize: 14,
-      letterSpacing: 0.25,
+      letterSpacing: tokens.TRACKING,
       fontWeight: '300',
     },
     sm: {
       fontSize: 14,
-      letterSpacing: 0.25,
+      letterSpacing: tokens.TRACKING,
       fontWeight: '400',
     },
     'sm-medium': {
       fontSize: 14,
-      letterSpacing: 0.25,
+      letterSpacing: tokens.TRACKING,
       fontWeight: '500',
     },
     'sm-bold': {
       fontSize: 14,
-      letterSpacing: 0.25,
+      letterSpacing: tokens.TRACKING,
       fontWeight: '700',
     },
     'sm-heavy': {
       fontSize: 14,
-      letterSpacing: 0.25,
+      letterSpacing: tokens.TRACKING,
       fontWeight: '800',
     },
     'xs-thin': {
       fontSize: 13,
-      letterSpacing: 0.25,
+      letterSpacing: tokens.TRACKING,
       fontWeight: '300',
     },
     xs: {
       fontSize: 13,
-      letterSpacing: 0.25,
+      letterSpacing: tokens.TRACKING,
       fontWeight: '400',
     },
     'xs-medium': {
       fontSize: 13,
-      letterSpacing: 0.25,
+      letterSpacing: tokens.TRACKING,
       fontWeight: '500',
     },
     'xs-bold': {
       fontSize: 13,
-      letterSpacing: 0.25,
+      letterSpacing: tokens.TRACKING,
       fontWeight: '700',
     },
     'xs-heavy': {
       fontSize: 13,
-      letterSpacing: 0.25,
+      letterSpacing: tokens.TRACKING,
       fontWeight: '800',
     },
 
     'title-2xl': {
       fontSize: 34,
-      letterSpacing: 0.25,
+      letterSpacing: tokens.TRACKING,
       fontWeight: '500',
     },
     'title-xl': {
       fontSize: 28,
-      letterSpacing: 0.25,
+      letterSpacing: tokens.TRACKING,
       fontWeight: '500',
     },
     'title-lg': {
@@ -254,32 +255,32 @@ export const defaultTheme: Theme = {
     title: {
       fontWeight: '500',
       fontSize: 20,
-      letterSpacing: 0.15,
+      letterSpacing: tokens.TRACKING,
     },
     'title-sm': {
       fontWeight: 'bold',
       fontSize: 17,
-      letterSpacing: 0.15,
+      letterSpacing: tokens.TRACKING,
     },
     'post-text': {
       fontSize: 16,
-      letterSpacing: 0.2,
+      letterSpacing: tokens.TRACKING,
       fontWeight: '400',
     },
     'post-text-lg': {
       fontSize: 20,
-      letterSpacing: 0.2,
+      letterSpacing: tokens.TRACKING,
       fontWeight: '400',
     },
     'button-lg': {
       fontWeight: '500',
       fontSize: 18,
-      letterSpacing: 0.5,
+      letterSpacing: tokens.TRACKING,
     },
     button: {
       fontWeight: '500',
       fontSize: 14,
-      letterSpacing: 0.5,
+      letterSpacing: tokens.TRACKING,
     },
     mono: {
       fontSize: 14,