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The logo used for the service.
Developer(s) Nintendo
Publisher(s) Nintendo
Release date(s) World December 21, 2011
Platform(s) Nintendo 3DS
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This article is about the messaging application, and should not be confused with the series of the same name.

Swapnote (known as Nintendo Letter Box in PAL regions) is a messaging service for the Nintendo 3DS where you can send notes to other users via StreetPass or SpotPass. The app is completely free to use unlike its sequel, Swapdoodle. Some features, like sending images, are unlocked for free by creating enough notes while others (like voice memos, which require Play Coins to unlock) are not.

Writing a note

Notes have many options for how to write one. When you write a note on the bottom screen it will also appear on the top screen as a clearer image. You can draw up to 4 pages in one note. The scribe can add photos saved on the 3DS camera app to their note. If the image is big enough it will be automatically cropped.

Drawing and erasing

The scribe is given a Pen, 3D Pen, Eraser and a 3D eraser. Both pens can write in Black, Red, Blue, Yellow, Green, and Purple. The normal eraser can get rid of non 3D doodles, while the 3D eraser does the opposite.

Audio Messages

The scribe has the option to send a 5 second voice message. If a voice message is longer then 5 seconds it will be cropped. This feature requires 10 Play Coins to use.


Stationeries are backgrounds for a note that you can buy with Play Coins or receive special stationery via StreetPass with someone who owns one. There are 6 unlocked by default: plain, musical, a plate, a sun where the center is your personal Mii, a postcard with your personal Mii, and a house on a hill. After you send enough notes, more stationaries will become unlockable, like an outer space one and a news report one, all costing 5 Play Coins each.

Time Stamps

Time stamps are a feature that let you set a note's creation date back or forward. If you set a note to the future, the note will be locked until that day arrives. This only works with notes that have been sent.



The inkwell is a border to how much you can draw. it is located in between the pen and eraser. The more you draw the less ink the inkwell has. The max capacity in the inkwell cannot be changed, unlike Swapdoodle. The 2D and 3D pen both share the same inkwell.

Note Limit

The max note limit is 4000. Atfer 100 notes, Nikki will send you a note, telling you about reaching 100 notes and the 4000 note limit.

SpotPass Discontinuation

The SpotPass feature of the app was discontinued on October 31st, 2013 due to offensive imagery being sent through the service. However, the StreetPass function still works, meaning you can still send and receive notes locally.[1] [2] [3]


The reason for SpotPass Discontinuation is shown below, although viewer discretion is advised.

Wii series games
Tomodachi series
Swapnote series
Other Mii-centered games
Non-Mii games for the Nintendo DS
Non-Mii games for the Wii
Non-Mii games for the Nintendo 3DS
Non-Mii games for the Wii U
Non-Mii games for the Nintendo Switch
Non-Mii games for other platforms