What Is a Pen Pal? Meaning, Origin and How People Do It Now
A pen pal is a friend you get to know by exchanging letters, usually someone far away. Where the word comes from, how it differs from chat, and how to start.

A pen pal is a friend you get to know by exchanging letters, usually someone who lives far away. The word joins pen and pal, and what sets it apart from other friendships is the order: you know each other through writing before you know each other's faces.
Meaning and origin
- Meaning: a friend or contact with whom you keep up a regular correspondence. It first meant people trading handwritten letters by post; today people writing through apps and websites are called pen pals too.
- Origin: the Online Etymology Dictionary records pen-friend from 1919 and pen pal from 1931, with pen pal gradually replacing the older word. Dictionaries give slightly different first dates.
- Regional use: American English mostly says pen pal; British English still often says pen friend.
How a pen pal differs from chat
| Pen pal | Messaging | Language-exchange app | Dating app | |
|---|---|---|---|---|
| Pace | Slow (one letter at a time) | Instant | Instant | Instant |
| Purpose | Friendship and exchange | Talking with people you know | Practising a language | Finding a partner |
| First impression | Writing | Name and photo | Languages spoken | Photos |
| Message length | Long, one at a time | Short, many | Short, many | Short, many |
The heart of a pen pal is the wait. Because a reply does not come instantly, each letter carries more thought, and stories come out that rarely surface in quick messages.
How people do it now
| Way | Example | Time to arrive | Good at | Trade-off |
|---|---|---|---|---|
| Postal letters | International mail | Days to weeks, by country | Handwriting, stamps, a real object | You share a home address and pay postage |
| Pen pal websites | Sites like InterPals | Instant | Lots of people | Tends to shrink into chat |
| Slow-letter apps | Slowly, Lettie | By distance (Lettie: 1–24 hours) | The wait of a letter, no address shared | Each app has its own rules |
For a closer look at the two slow-letter apps, see Lettie vs Slowly; for the wider field, see the best pen pal apps in 2026.
How it works on Lettie
Lettie is the pen pal app we make. Moving pen pals into an app, we kept the wait of a letter and dropped the address exchange.
- Letters take time, by distance. Delivery time is set by the distance between two countries: one to two hours within a country, up to 24 hours across the world. Times by city are in the letter delivery timetable.
- Your first letter is one you pick up. Letters released to no one in particular float as envelopes, and 3 new ones arrive free once a day. Reply to one you like and a correspondence for two begins.
- No shared language needed. A translate button inside each letter covers 70+ languages for free.
- Real scale: as of October 3, 2026, people on Lettie have exchanged 313 letters between 42 countries. Countries and routes are on the Lettie letter map.
How to start
- Decide what you want. Language practice, a window into daily life somewhere else, or simply someone to write to for a long time: each points to a different place.
- Start safe. Keep your home address, phone number and anything about money out of early letters. The details are in our pen pal safety guide.
- Open with a scene. A moment from your day gets more replies than a self-introduction. See first lines that work.
- Accept the gaps. A pen pal is not a conversation of several messages a day. While you wait, things to write about pile up.
- Get past the third letter. Many pen pals fade around the third letter. How to get past it: keeping a pen pal conversation going.
Sources: Online Etymology Dictionary, "pen-pal"; Wikipedia, "Pen pal". Lettie figures are counted from the app database (October 3, 2026).
Frequently asked questions
- What does pen pal mean?
- A pen pal is a friend you get to know by exchanging letters, usually someone who lives far away. The word joins pen and pal, and the defining trait is that you know each other through writing before anything else.
- Is a pen friend the same as a pen pal?
- Yes. The Online Etymology Dictionary records pen-friend from 1919 and pen pal from 1931; pen pal gradually took over, while British English still often says pen friend.
- Do people still have pen pals?
- Yes. Some trade postal addresses and send handwritten letters, some message on pen pal websites, and some use slow-letter apps such as Slowly or Lettie, where a letter takes time to arrive depending on distance.
- Is a pen pal the same as online dating?
- No. Pen pals write for friendship and cultural exchange. Lettie is a pen pal app, not a dating app: profiles start as pixel characters instead of photos, and there is no swiping.
- Can I have a foreign pen pal if I do not speak their language?
- Yes. With a pen pal app that has translation built in, each person writes and reads in their own language. Lettie translates letters into 70+ languages for free with a button inside the letter.