Zents vs Harbour
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Zents
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Zents — A Quiet Library for the books you love. A clean, cloud-based ebook reader that keeps your library safe, synced, and readable anywhere. Import EPUB, PDF, TXT, CBZ, CBR, FB2, MOBI and DJVU and read them beautifully on iPhone, iPad and the web — with progress that follows you everywhere. Your library, in the cloud - Books stored securely, synced automatically. - 8 formats with beautiful Chinese & English typography. - Organize your shelf, mark finished, resume where you left off. Read offline, sync automatically - Download once, read anywhere — flights, subways, no signal, no problem. - Books open instantly from your device. - Offline reading positions and annotations merge back automatically when you're back online. - Real-time sync across iPhone, iPad and web — no manual steps, across every format. A focused reading experience - Clean, distraction-free pages; adjustable font and spacing. - Light & dark themes. - EPUB TOC, links and images; PDF zoom; CBZ/CBR comics and DJVU scans with pinch-to-zoom. Private & simple - Passwordless email sign-in. No tracking, no ads, no data selling. Getting started Free to use — create an account and sync your books. Want more? Visit zents.app for plans with higher limits and expanded storage. Terms of Service & Privacy: https://zents.app/
Harbour
Save articles from any source to read later without distractions. Discover curated content and organize your library with tags and collections. Syncs seamlessly across devices.
- Save articles from any website
- Discover curated content
- Distraction-free reading experience
- Organize with tags and collections
- Sync across iPhone, iPad, and web
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THE READ-LATER APP YOU CAN ACTUALLY COOK AND BUILD FROM Everywhere else, saved recipes and projects are just bookmarks. Harbour turns them into the real thing. • Save any recipe — Harbour pulls out ingredients, steps and times • Scale servings and every quantity re-does itself. Switch US or metric. • Cook Mode: full-screen steps, timers, read-aloud, and voice control so you never touch a screen with wet hands • Save any tutorial or plan and get a real project: tools, supplies, steps • Pre-flight brief (Pro): honest difficulty, real time, real cost, and the safety notes the guide skipped — before you commit a weekend • One shopping list across everything you're cooking and building, quantities merged, grouped by aisle • A workshop inventory that knows which tools you already own • Works in the kitchen and the garage — fully offline PLUS EVERYTHING A READ-LATER APP SHOULD DO Semantic search across your whole library, natural-voice listening, newsletter inbox, PDFs, highlights and offline reading. Harbour Pro is an auto-renewable subscription. Payment is charged to your Apple Account at confirmation of purchase, and renews automatically unless auto-renew is turned off at least 24 hours before the end of the current period. Manage or cancel anytime in your Apple Account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://harbour.henbusinesssolutions.com/privacy
Screenshots
Verdict
The clearest difference is in-app purchases: Zents at none against Harbour's 2. Zents also leads on update cadence (every 4 days vs every 5 weeks). Harbour's advantage is device support (5 vs 2) and iOS requirement (15.0 vs 17.0). On price and ads 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. Harbour sells 2 in-app purchases, starting at $2.99 per month. Zents asks for nothing beyond the download.
Zents ships an update every 4 days, Harbour every 5 weeks. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.
| Parameter | Zents | Harbour |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | Every 4 days — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod, Apple TV, Apple Watch — better |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 30 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Apuretto, Ltd. | Hen Solutions LLC |
In-app purchases
Zents
No in-app purchases
Harbour
- Harbour Pro Monthly$2.991 Month
- Harbour Pro Annual$24.991 Year









