Vellum Support

How can we help?

Vellum is a private, paid-upfront cryptogram game for iPhone and iPad. Decode real public-domain quotations letter by letter. It requires no account, works fully offline, and stores progress on your device.

Email dean@myworkingmemory.ai. Please include the app version, device model, and a description of what happened.

Common answers

Where do the quotations come from?
Every quotation in Vellum is in the public domain. Authors and attributions are shown after you solve each puzzle.

How do hints work?
Each puzzle includes up to three hints. A hint reveals the correct letter for the coded letter you have selected.

Is there a subscription?
No. Vellum is intended as a one-time App Store purchase.

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