djvu vs Zero Balance
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
djvu
This app allows you to read large scanned books and documents smoothly. It supports multiple formats including DjVu, ePub, and PDF, with features like smart text extraction, bookmarks, and zoom.
- Multi-format reading (DjVu, ePub, PDF)
- Smart text extraction (OCR support)
- Bookmark management
- Pinch-to-zoom and double-tap zoom
- Dual-page view
- Table of contents navigation
- Reading progress saving
- Dark mode
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powered by DjVuLibre. Open large scanned books with thousands of pages smoothly. • Multi-Format — Read DjVu, ePub, and PDF files all in one app. Import files directly from the Files app. • Smart Text Extraction — Extract text from any page. Supports both embedded text layers and OCR for scanned/image-only pages (Chinese & English). • Bookmarks — Bookmark any page with one tap. View all your bookmarks from the reader sidebar or the home screen. • Pinch to Zoom — Zoom in up to 5x with smooth pinch gestures. Double-tap to quickly toggle zoom. Perfect for reading fine print in scanned documents. • Dual-Page Mode — Switch to side-by-side dual-page view for landscape reading. • Table of Contents — Quick navigation through document chapters and sections. • Reading Progress — Automatically saves your reading position for every document. Pick up right where you left off. • Dark Mode — Toggle night mode for comfortable reading in low light. • Multi-Language — Interface available in English, 简体中文, 繁體中文, 日本語, 한국어, Français, Deutsch, and Español. BUILT FOR READERS djvu-reader is designed with one goal: make it easy to read DjVu scanned books on your iPhone and iPad. No ads, no subscriptions — just a reader that works. SUPPORTED FORMATS - DjVu (. djvu, .djv) - ePub (.epub) - PDF (.pdf)
Zero Balance
This utility helps you spend small remaining balances on your Apple ID or gift cards. It generates a purchase plan to clear your balance to zero with minimal effort. Enjoy a private and ad-free experience.
- Spend leftover store credit
- Reduce balance to zero
- Generate matching purchase plans
- Works with gift cards and Apple ID
- Private iCloud sync
- No subscriptions or ads
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Can't change your App Store region because of a small remaining Apple ID balance? Zero Balance helps you spend leftover store credit and reduce your balance to zero using small App Store purchases. Whether you have a few leftover cents, unused gift card funds, or remaining Apple ID balance, Zero Balance helps you build a matching purchase plan in seconds. HOW IT WORKS • Enter the amount you want to clear • Get a matching purchase plan • Review the total before confirming • Confirm App Store purchases • Reduce your remaining balance to zero FEATURES • Optimized matching for small remaining balances • Purchase matching focused on maximum precision • Works with gift card and Apple ID balances • Private purchase syncing through your iCloud • No subscriptions • No ads • No tracking IMPORTANT Zero Balance does not read your Apple Account balance automatically. The target amount is entered manually by you. - IN-APP PURCHASES - Zero Balance offers consumable and non-consumable items as small in-app purchases. There are no subscriptions. Payment is charged to your Apple Account at confirmation of purchase. You can review and manage purchases in your App Store Account Settings. - PRIVACY - Your inventory and purchase history sync privately to your own iCloud. We don't track you and we don't sell your data. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://zerobalance.pro/en/privacy/ Support: https://zerobalance.pro/en/support/
Screenshots
Verdict
The clearest difference is review sentiment: djvu at 100% against Zero Balance's 48%. djvu also leads on rating (5.0 vs 4.3) and monetization model (free vs free with in-app purchases). Zero Balance's advantage is ratings volume (206 vs 2). On price, update cadence, ads and in-app purchases 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. djvu sells 2 in-app purchases, starting at $0.99 per month and Zero Balance sells 13 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
djvu holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Zero Balance has 206 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 100% of djvu's written reviews are positive against 48% of Zero Balance's.
djvu ships an update every 9 days, Zero Balance every 5 days. The most recent releases landed on October 23, 2026 and October 20, 2026 respectively.
| Parameter | djvu | Zero Balance |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | 4.3 (206 ratings) |
| Positive reviews | 100.0% of reviews — better | 47.6% of reviews |
| Number of ratings | 2 | 206 — better |
| Update frequency | Every 9 days | Every 5 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 4 MB | 34 MB |
| Age rating | 17+ | 4+ |
| Developer | Jiajia Yan | Aleksandr Pustotin |
Customer experience
djvu
Zero Balance
In-app purchases
djvu
- Pay Me a Coffee$0.991 Month
- Pay Me a Cappuccino$2.991 Month
Zero Balance
- Cosmic Cocoa: Apple ID Credit$0.29
- Nebula Nibbles: Credit Left$0.39
- Star Sprinkles: Spare Change$0.49
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- Moon Mochi: Zero Balance$0.59
- Comet Crunch: App Store Credit$0.69
- Galaxy Feast: Unused Credit$0.79
- Meteor Blanket$0.89
- Sunbeam Patch$0.90
- Toast Pebble: Exact Amount$0.95
- Hearth Orb: Small Balance$1.00
- Giggle Bubble: Pay with Credit$1.09
- Meteor Pop: Remaining Cents$1.19
- Solar Cape$1.79









