Flipbook vs 数独大师
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Flipbook
Create frame-by-frame animations directly on your device. Draw with your finger or stylus, utilize onion skinning for smooth transitions, and export your creations as GIFs or videos. This app offers a private, offline animation studio experience.
- Frame-by-frame drawing
- Onion skinning preview
- Loop playback
- Offline functionality
- GIF and PNG export
- Adjustable frame rates
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Turn your device into a portable flipbook animation studio. Draw frame by frame with Apple Pencil or your finger, preview with onion skinning and loop playback, then share your creations — fully offline, no account needed. Made for iPhone, iPad and iPhone Duo. Free to download. No ads. No tracking — ever. ▸ MADE FOR iPHONE DUO Draw on the big inner screen with your library beside the canvas. Open it half like a book and the page keeps one side, your frames the other, never across the fold. ▸ DRAW FRAME BY FRAME Use the full PencilKit canvas with pens, pencils, markers, and erasers. Each frame is your canvas — draw, erase, and refine until it's perfect. ▸ ONION SKINNING See the previous frame as a ghost overlay while you draw. Free includes onion skin at the default opacity; Pro adjusts opacity from 5% to 50%. ▸ REFERENCE IMAGES (Pro) Import a reference image and overlay it on your canvas. Pan, zoom, rotate, and adjust opacity — ideal for tracing, rotoscoping, or photo references. ▸ START FROM A PHOTO (Pro) Share a photo from Photos, tap Create Flipbook, and a new flipbook with that photo as its reference image is waiting for you. ▸ FRAME MANAGEMENT Add, duplicate, reorder, and clear frames. Set a background color on any frame. Free projects support up to 12 frames; Pro unlocks up to 256 frames. ▸ SMOOTH PLAYBACK Play your animation at adjustable frame rates from 1 to 24 FPS with loop preview. ▸ MULTIPLE PROJECTS Free: up to 2 animation projects (existing projects stay editable). Pro removes the project cap. ▸ EXPORTS Free: animated GIF and all-frames PNG — no watermarks. Pro adds MP4 video and multi-page PDF. ▸ HOME SCREEN WIDGET (Pro) Add a Flipbook widget to your home screen to see your latest animation at a glance. ▸ BACKUP & RESTORE (Pro) Export and restore your full .flipbook archive. ▸ FULLY OFFLINE & PRIVATE No account. No cloud. No ads. All your drawings and animations stay on your device only. ▸ TRY FREE Complete a real animation job on Free — draw, preview with onion skin, and export GIF or all-frames PNG without watermarks. ▸ PRO UNLOCKS THE STUDIO Large and XL canvas, extended frame capacity, adjustable onion skin, reference images, MP4/PDF export, backup, and Home Screen widget. Monthly, annual, or lifetime. Plus the Sketch and Onion Skin app icons. Flipbook is designed for creators who value simplicity and privacy. Download now and start animating. Have feedback? Reach us at support@can.bi Privacy Policy: https://canbi.notion.site/Privacy-Policy-2f76cac95bdb82f2b23f01be456d1f4f Terms of Use (EULA): https://canbi.notion.site/Terms-of-Service-abb6cac95bdb83debe910153019d3f47
数独大师
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想成为数独高手,却苦于盲目摸索?《数独大师: 解题教练》不仅是你的棋盘,更是你的全职私教! 从零基础的四宫、六宫入门数独,到让发烧友欲罢不能的杀手数独、锯齿数独、双对角线等丰富变形数独,这里应有尽有。无论你是想培养孩子逻辑感的家长,还是追求极限的解题达人,都能找到专属乐趣。 【你的智能解题教练】 数独课堂:系统化图文教学,从“唯一解意识”到“隐性结构”,轻松看懂高级技巧。 专项训练:告别题海战术!针对排除法、隐性数对等核心技巧进行刻意练习。 训练路线:沿循科学路径阅读、训练、解题,把技巧内化为稳定的推理能力。 智能引导:卡壳时提供每一步的逻辑提示,教你“为什么”而非直接给答案。 不止是好玩,更能让你真正变强。立即下载,开启你的段位进阶之路! 隐私政策: https://humdrum-dew-ff1.notion.site/39a6a295f36480608e0eedb3143f41c7?source=copy_link 用户协议: https://humdrum-dew-ff1.notion.site/39a6a295f36480b28c69f923333b81d5?source=copy_link
Screenshots
Verdict
The clearest difference is iOS requirement: 数独大师 at 15.6 against Flipbook's 18.0. On price, ads, in-app purchases 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. Flipbook sells 7 in-app purchases, starting at $1.99 per month and 数独大师 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
| Parameter | Flipbook | 数独大师 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (3 ratings) — better | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 2 weeks | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 36 MB | 126 MB |
| Age rating | 4+ | 4+ |
| Developer | Can Bi | 龙泽 余 |
In-app purchases
Flipbook
- Flipbook Monthly$1.991 Month
- Flipbook Annual3 Days trial$7.991 Year
- Support Tip - Page Turn$1.99
- Support Tip - Paper Flutter$4.99
- Support Tip - Scene Change$12.99
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- Flipbook Lifetime$14.99
- Support Tip - Directors Cut$24.99
数独大师
- 永久会员$2.99









