Free Sip gives you 10 PDF study packs and 10 practice tests every month. Half Pie is £12 a month, Whole Pie £22 — both with a 14-day free trial and no contracts.
Taste the whole workflow, free forever
For one set of exams
For students studying every day
Compare plans | Free Sip From £0 / month | Half Pie From £12 / month | Whole PieBest value From £22 / month |
|---|---|---|---|
| Notes → clean PDF | |||
| PDF study pack generationsOne generation = one source turned into a full PDF revision guideOne generation = one source turned into a full PDF revision guide | 10 / month | 100 / month | Unlimited |
| Max source lengthCharacters per source you can paste or uploadCharacters per source you can paste or upload | 10k | 30k | 60k |
| Chapters, key concepts & worked examples | Included | Included | Included |
| Formulas, exam tips, mnemonics & glossary | Included | Included | Included |
| Mind maps, timelines & charts | Not included | Included | Included |
| PDF themesRevision guide (formal, print-friendly) or visual notes (colourful)Revision guide (formal, print-friendly) or visual notes (colourful) | Revision guide | Both themes | Both + custom |
| Inline editor with AI rewrites | Not included | Included | Included |
| Subjects | 3 | 10 | Unlimited |
| Cloud library sync | Included | Included | Included |
| Revision & testing | |||
| Practice tests | 10 / month | 100 / month | Unlimited |
| Flashcards from your packs | Unlimited | Unlimited | Unlimited |
| Adaptive difficulty & confidence scoring | Included | Included | Included |
| Test blueprintsExam-style, quick recall, daily revision and custom setupsExam-style, quick recall, daily revision and custom setups | Quick recall | All blueprints | All blueprints |
| Answer feedback with verbatim citations | Included | Included | Included |
| Missed answers → flashcards | Not included | Included | Included |
| Exam countdown & revision planner | Not included | Not included | Included |
| Streaks, XP, stats & 84 achievements | Included | Included | Included |
| AI tutor & study tools | |||
| AI tutor messages | 30 / month | 1,000 / month | Unlimited |
| Answers grounded in your own packs | Included | Included | Included |
| YouTube Video Summarizer | Included | Included | Included |
| TikTok Video Summarizer | Not included | Included | Included |
| AI PDF Summarizer | Not included | Included | Included |
| Audio to Study NotesUpload a lecture recording — transcript plus full revision notesUpload a lecture recording — transcript plus full revision notes | Not included | Included | Included |
| Video to Text Converter | Not included | Included | Included |
| AI Paper Marker | Not included | Not included | Included |
| Generation priority | Standard | Standard | Priority |
| Export & sharing | |||
| PDF export | Included | Included | Included |
| Markdown / plain text | Included | Included | Included |
| Word (.docx) export | Not included | Included | Included |
| Anki CSV export | Not included | Not included | Included |
| Custom export theming | Not included | Not included | Included |
| Billing & support | |||
| Free trial on paid plans | — | 14 days | 14 days |
| Support | Community | Priority email | |
| Reply windowMonday to Friday, UK business daysMonday to Friday, UK business days | 2 business days | 1 business day | Same business day |
| Early access to new tools | Not included | Not included | Included |