Licences and attribution
Everything the app draws with is openly licensed and free to use commercially, including in books you sell. Four of the 11 picture sets ask for credit when you publish. This page lists exactly which, and gives you a line you can paste into a book.
This is a plain summary, not legal advice. The linked licences are the authority. If you are publishing at scale, read them.
Please credit these
Creative Commons Attribution licences let you use, change and sell the artwork, on the condition that you credit the creator. A credits line on the inside cover or the last page is the usual way to do it.
- Game IconsCC BY 3.01,058 pictures in use
by GameIcons · licence
Modified: 156 of these are outlines we traced from the set’s solid silhouettes, so they can be coloured in.
- Twitter EmojiCC BY 4.0928 pictures in use
by Twitter · licence
- Emoji One (Monotone)CC BY 4.026 pictures in use
by Emoji One · licence
Modified: 2 of these are outlines we traced from the set’s solid silhouettes, so they can be coloured in.
- Streamline EmojisCC BY 4.01 picture in use
by Streamline · licence
Paste this into your book
Illustrations: Game Icons by GameIcons (CC BY 3.0); Twitter Emoji by Twitter (CC BY 4.0); Emoji One (Monotone) by Emoji One (CC BY 4.0); Streamline Emojis by Streamline (CC BY 4.0).
No credit required
MIT, ISC and Apache 2.0 sets. You can use these freely; crediting them is welcome but not required.
- Fluent Emoji High ContrastMIT781 pictures in use
by Microsoft Corporation · licence
- Material Design IconsApache 2.0333 pictures in use
by Pictogrammers · licence
Modified: 4 of these are outlines we traced from the set’s solid silhouettes, so they can be coloured in.
- Tabler IconsMIT257 pictures in use
by Paweł Kuna · licence
- PhosphorMIT240 pictures in use
by Phosphor Icons · licence
- LucideISC38 pictures in use
by Lucide Contributors · licence
- Activity Book Studio drawingsCC0 1.027 pictures in use
by Activity Book Studio · licence
- Fluent Emoji FlatMIT3 pictures in use
by Microsoft Corporation · licence
Fonts
Text on your pages is converted to outlines before it is drawn, so no font is embedded in the PDF you download and no font licence travels with your book.
- Nunito·SIL OFL 1.1
Nunito by Vernon Adams, Cyreal, Jacques Le Bailly
- Baloo 2·SIL OFL 1.1
Baloo 2 by Ek Type
- Andika·SIL OFL 1.1
Andika by SIL International
- Roboto Mono·Apache 2.0
Roboto Mono by Christian Robertson
- Patrick Hand·SIL OFL 1.1
Patrick Hand by Patrick Wagesreiter
- Playwrite PT, Playwrite BR, Playwrite ES, Playwrite FR Trad, Playwrite IT Trad, Playwrite DE VA, Playwrite DE Grund, Playwrite NL, Playwrite GB J, Playwrite GB S, Playwrite US Trad·SIL OFL 1.1
Playwrite by TypeTogether (Veronika Burian, José Scaglione); Copyright 2023 The Playwrite Project Authors
What you make is yours
The puzzles themselves — the mazes, grids, word searches and layouts — are generated for you and carry no restriction from us. Sell the books, hand them out, put them on a website. The only obligations are the attribution ones above, and they come from the artwork, not from this app.