Promise Piece vs TreeNote
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Promise Piece
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Promise Piece helps you build lasting habits by tracking your daily promises for 28 days. Keep your promise today with: • Simple daily tracking • 28-day countdown calendar • Visual progress tracking • Streak tracking • Beautiful, minimalist design
TreeNote
Organize complex ideas into clear, nested outlines. Create boards for various projects and break down thoughts into detailed subnotes. Supports rich formatting, Markdown, and local data storage with optional iCloud sync.
- Unlimited nesting for flexible trees
- Drag-and-drop reordering
- Rich note details (tags, colors, due dates, images)
- Markdown formatting and preview
- Import/export JSON, Markdown, OPML
- Local data storage with iCloud sync
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Turn complex ideas into clear, nested outlines with TreeNote. Create boards for projects, study, planning, and everyday thoughts, then break each idea into focused subnotes. TreeNote keeps deep structures easy to scan while giving every note room for rich detail. FEATURES • Build flexible trees with unlimited nesting • Drag to reorder and swipe for quick actions • Add titles, details, tags, colors, due dates, and multiple images • Choose the simple text editor or TreeNote Pro's premium editor • Format visually or write directly in Markdown • Read safely in Preview mode, with tappable links and KaTeX equations • Import and export JSON, Markdown, and OPML • Keep data local by default, with optional private iCloud sync • Use TreeNote in English, Spanish, or Chinese TreeNote is free for boards with up to 10 notes. TreeNote Pro is a one-time purchase that unlocks unlimited notes per board and the premium Markdown editor.
Screenshots
Verdict
The clearest difference is in-app purchases: Promise Piece at none against TreeNote's 1. Promise Piece also leads on iOS requirement (15.0 vs 18.0). On price, update cadence, 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. TreeNote sells 1 one-off in-app purchase. Promise Piece asks for nothing beyond the download.
Promise Piece ships an update every 4 days, TreeNote weekly. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.
| Parameter | Promise Piece | TreeNote |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 4 days — better | Weekly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 2 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Robert Mill | Zhe Wu |
In-app purchases
Promise Piece
No in-app purchases
TreeNote
- TreeNote Pro$2.99
