PPF Events vs Jeejee
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PPF Events
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PPF Events is an app for event attendees and event organizers of event management platform Happenee. It helps visitors find all important information like the Program of their happenings, allows to communicate with organizers, vote in realtime, find the way to your events, and other important details about the happening. It also keeps you always up to date about the event. ABOUT HAPPENEE Our mission at Happenee is to make organizing and attending events a breeze. We're a growing event management platform used by many of the largest companies in Czech Republic and Central Europe. More information at https://www.happenee.com
Jeejee
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Jeejee is a note-taking and document editor that combines Markdown, LaTeX and handwriting in a single app: Markdown for structured notes, LaTeX for mathematical typesetting and formal reports, and handwriting with Apple Pencil, including annotation directly on lecture PDFs. Documents are stored in the location the user selects. Markdown, LaTeX, HTML, CSV, plain text and PDF remain compatible with other tools that support these formats; handwritten notes are saved as editable .jeejee files. Designed for students, researchers and professionals in science and engineering: class notes, lab reports, theses, derivations and exam preparation. Markdown • Side-by-side editor and preview, synchronized while typing and scrolling • Headings, lists, to-do items, tables, code, quotes and images • Inline and display math • Syntax coloring for code blocks, with optional line wrapping • Function plots that mark zeros, extrema and intersections • Mind maps built from indented lists, viewable in full screen • Heading outline in View mode for long documents • Format bar with common formatting and templates for code, plots and mind maps • Export to PDF or Markdown LaTeX • Built-in typesetting engine that compiles to PDF in the app, offline, with no separate TeX installation • XeLaTeX typesetting with full support for Chinese and Unicode • Automatic recompilation, with error lines clearly indicated • Source and PDF side by side • Export to PDF or LaTeX source Handwriting • Apple Pencil on iPad: pen, pencil, highlighter, eraser, lasso and shape recognition • Three colors and three stroke widths in the toolbar • Blank, ruled, grid and dotted paper in white or black, with multipage notes and page thumbnails • Strokes that continue across page boundaries • Text boxes, images with cropping, and function graphs • Copy, cut and paste for text, images and strokes; up to 100 undo steps • Annotation copies of PDFs, leaving the original unchanged • Export as .jeejee files, PDF or page images; save page images to Photos on iPhone and iPad Stickers • Sticker store with four free packs of 100 stickers each and five paid packs • Insertion from the sticker panel in the handwriting toolbar • Packs linked to the Jeejee account and available on other signed-in devices • Pack updates applied at the user's discretion • The sticker store requires a Jeejee account (Apple or Google sign-in); all other features work without an account Files • Markdown, LaTeX, HTML, CSV, plain text and handwritten notes; HTML with live preview, CSS and JavaScript • Code files such as .js, .css, .py and .json with syntax coloring • Local, iCloud and System Folder storage, including external folders supported by the system and file providers • List, card and icon views; icons display document content • Recents, Favorites, drag and drop, and Recently Deleted • Configurable file types for the New menu Designed for iPhone, iPad and Mac • Resizable, docked sidebar on iPad, with a full-screen editor for open documents • Multiple windows, a native sidebar and keyboard shortcuts on Mac • Seven editor themes with Dark Mode • Built-in illustrated user guide Pricing Core features are free, with no advertising. Paid sticker packs are offered as in-app purchases. Optional tips in Settings > Support Jeejee do not unlock features and support ongoing development. Privacy • Jeejee does not track users. • Document contents and file names stay in the selected storage location and are not sent to the developer. • Crash reports and usage statistics are collected to improve the app. They exclude document contents, file names and account information, and are not linked to the user's identity. • A Jeejee account is used only for the sticker store. When signed in, Jeejee stores the account name, email address, user ID, acquired sticker packs and purchase records to provide and restore sticker content. • Payments are processed by Apple; Jeejee does not receive payment information.
Screenshots
Verdict
The clearest difference is in-app purchases: PPF Events at none against Jeejee's 6. PPF Events also leads on iOS requirement (15.1 vs 17.0). Jeejee's advantage is update cadence (every 4 days vs every 16 months). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Jeejee sells 6 one-off in-app purchases. PPF Events asks for nothing beyond the download.
PPF Events ships an update every 16 months, Jeejee every 4 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.
| Parameter | PPF Events | Jeejee |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 16 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 15.1 — better | 17.0 |
| Further details — not scored | ||
| Size | 60 MB | 91 MB |
| Age rating | 17+ | 4+ |
| Developer | Happenee s.r.o. | Youci Huang |
In-app purchases
PPF Events
No in-app purchases
Jeejee
- Small Tip$0.29
- Sticker pack (tier NT$30)$0.99
- Sticker pack (tier NT$60)$1.99
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- Medium Tip$2.99
- Sticker pack (tier NT$90)$2.99
- Large Tip$11.99









