How to Change the Language on Your iPhone

Changing the language on your iPhone sounds simple — and the core steps are. But the full picture is a bit more layered than most guides let on. Whether you're switching to a new primary language, adding a second language for a specific app, or adjusting the keyboard language separately, the iPhone's language system gives you real flexibility. Understanding how it's structured helps you make the change you actually want, not just the first setting you find.

What "Language" Actually Controls on an iPhone

When people ask about changing their iPhone's language, they usually mean one of three things — and Apple treats all three differently:

  • System language — the language used across iOS itself: menus, settings, notifications, and built-in apps like Safari, Clock, and Mail.
  • App language — since iOS 13, many apps support their own individual language setting, independent of the system language.
  • Keyboard language — the language your keyboard types in, which is completely separate from display language.

It's worth knowing which one you need to change before diving in. Switching your system language affects everything. Switching a keyboard language affects only input. App-level language sits in the middle.

How to Change Your iPhone's System Language

This is the setting most people are looking for. Here's how it works:

  1. Open Settings
  2. Tap General
  3. Tap Language & Region
  4. Tap Add Language if your target language isn't listed, or tap it if it already appears
  5. When prompted, confirm by tapping the language name to set it as your primary language

Your iPhone will restart the home screen interface in the new language. The process takes a few seconds. After switching, all system menus, built-in app interfaces, and iOS prompts will appear in the new language.

⚠️ One thing to watch for: If you're switching to a language you don't read fluently, it's helpful to mentally map the path before you switch — Settings → General → Language & Region — so you can navigate back if needed.

Adding a Second Language Without Fully Switching

iOS supports multiple preferred languages ranked in order. You don't have to fully replace your current language — you can add a second language and place it below your primary one. Apps and the system will use the highest-ranked language they support.

This matters for multilingual users. If your primary language is English but you add French as a secondary language, apps that support French will display in French if they don't support English — but English-first apps stay in English. It's a tiered fallback system, not a hard switch.

You manage the order under Settings → General → Language & Region → Preferred Languages, where you can drag languages up or down.

Changing the Language for a Specific App

Since iOS 13, Apple allows per-app language settings on supported apps. This is useful if, for example, you want your iPhone's system language in English but want to use a specific app in Spanish for language learning purposes.

To change an individual app's language:

  1. Go to Settings
  2. Scroll down to the specific app in the app list
  3. Tap the app name
  4. Look for a Language option

Not every app exposes this setting — it depends on whether the developer has implemented support for it. Built-in Apple apps generally support it. Third-party apps vary.

How to Add or Change Keyboard Languages 🌐

Keyboard language is its own separate system entirely. You can type in a completely different language than your system is set to.

To add a keyboard language:

  1. Go to Settings → General → Keyboard → Keyboards
  2. Tap Add New Keyboard
  3. Choose the language keyboard you want to add

Once added, you switch between keyboards while typing by tapping the globe icon on the keyboard (or pressing and holding it to select directly). Each keyboard language has its own autocorrect, autocomplete, and — for some languages — its own input method (like handwriting or phonetic input for Chinese, Japanese, and Korean).

What You're ChangingWhere to Find It
System/UI languageSettings → General → Language & Region
Per-app languageSettings → [App Name] → Language
Keyboard input languageSettings → General → Keyboard → Keyboards
Language priority orderSettings → General → Language & Region → Preferred Languages

Factors That Affect How Language Changes Behave

Not all iPhones running iOS behave identically when it comes to language settings, and a few variables shape the experience:

iOS version — Per-app language settings require iOS 13 or later. The interface for Language & Region has also shifted slightly across major iOS versions, so the exact menu appearance may differ from older screenshots you find online.

App support — The availability of a language in any given app depends entirely on what the developer has localized. An app might be available in 40 languages or just 2. Switching your system language won't magically translate an app that hasn't been localized for it.

Region vs. Language — Language and Region are related but separate settings. Your region controls things like date formats, currency symbols, and measurement units. You can set your language to French while keeping your region as United States, and your dates will still appear in US format. These are independent dials.

Siri's language — Siri uses its own language setting under Settings → Siri & Search → Language. Changing your system language doesn't automatically update Siri's language.

iCloud and synced apps — Some apps that sync with iCloud or an account may pull language preferences from the account settings rather than the device settings. This is particularly common with apps like Google Docs or social media platforms.

When a Language Change Doesn't Stick

If you've changed your system language but certain apps aren't following along, the most common explanations are:

  • The app hasn't been localized for that language
  • The app has its own in-app language setting that overrides iOS
  • The per-app language setting in iOS Settings is set to something specific (check Settings → [App Name])
  • A restart hasn't been completed

Restarting the iPhone after a system language change is generally good practice, even if iOS doesn't require it.

The Variables That Make This Personal

The mechanics here are consistent — the steps work the same way for any iPhone running a reasonably current version of iOS. But what "changing the language" means in practice depends heavily on your situation: which apps you rely on most and whether they support your target language, whether you need multilingual input or just display, and whether you're coordinating language across multiple Apple devices or just one.

A bilingual user managing two keyboards has a meaningfully different setup than someone doing a clean switch from one language to another. Both use the same iOS settings, but what they need to pay attention to — and what tradeoffs they'll encounter — is different.