Saner.AI vs Duo Viewer
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Saner.AI
This AI-powered productivity assistant helps individuals with ADHD organize notes, prioritize tasks, and synthesize information from various digital sources. It offers a distraction-free interface and an integrated personal knowledge assistant to recall and process your ideas.
- AI-powered organization and prioritization
- Synthesizes insights from notes and tasks
- Integrates with Email, Drive, Slack
- Personal knowledge assistant (Skai)
- Universal task management
- Distraction-free interface
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Saner.AI is an AI Productivity Assistant for ADHDers Designed with the needs of high-achievers - especially entrepreneurs, and knowledge workersβSaner.AI automatically organize, prioritize, synthesize insights & suggest solutions from your notes and tasks. Why Saner.AI? - Itβs built for digital life Intuitive UX: A clean, distraction-free interface that helps you capture, find, and use your ideas without the clutter. All-in-One Tool: No more switching between five apps. Saner.AI centralizes your information & tasks from Email, Drive, Slack, etc - everything is searchable and ready in one place. Personal Knowledge Assistant, Skai: Skai helps you recall your notes, and synthesizes them. Ask it questions, and get clear, direct answers fast. Universal Task Assistant: Tasks will be pulled automatically from emails, docs, or created manually. Then youβll have an assistant that can - Check in on your tasks. - Break them into manageable steps. - Set reminders tailored to your schedule and preferences. - Even suggest solutions to help you complete them. Work for every use case Whether youβre planning your next big project, running a business, or just managing daily tasks, Saner.AI helps you stay focused, productive, and in control in even the toughest days. Simplify your work and reclaim your peace of mind with Saner.AI. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Duo Viewer
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Make room for two with Duo Viewer, a split-screen browser and file viewer for iPhone. YOUR FAVOURITE WEB APPS, TOGETHER Open two websites on one screen. Compare pages, browse social feeds alongside online video, or keep a reference page within view. Drag the divider to adjust your workspace, minimise a pane when you need more room, and turn your iPhone for a landscape layout. FILES BESIDE THE WEB Import files from the Files app and organise them in Duo Viewer. View PDFs, supported Office and iWork documents, images, text, audio, and video alongside a website or another file. MAKE IT YOUR WORKSPACE β’ Browse websites in two panes β’ Save bookmarks and revisit recent addresses β’ Open links in the other pane β’ Resize panes and use portrait or landscape mode β’ Import, view, rename, and delete supported files β’ Resume your saved workspace
Screenshots
Verdict
The clearest difference is iOS requirement: Saner.AI at 18.6 against Duo Viewer's 26.0. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Saner.AI sells 4 in-app purchases, starting at $12.00 per month and Duo Viewer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
| Parameter | Saner.AI | Duo Viewer |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | β |
| Update frequency | Fortnightly | β |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | β |
| Devices | iPhone, iPad β better | iPhone |
| Requires iOS | 18.6 β better | 26.0 |
| Further details β not scored | ||
| Size | 73 MB | 2 MB |
| Age rating | +4 | 17+ |
| Developer | Saner.AI | Liangjun Song |
In-app purchases
Saner.AI
- Starter$12.001 Month
- Standard$20.001 Month
- Starter$96.001 Year
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- Standard$191.991 Year
Duo Viewer
- Duo Viewer Pro$6.99









