Ninput vs DriveFlash
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ninput
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Type less, say more. Ninput helps you write in English or Chinese Pinyin with word, phrase, and sentence suggestions processed on your device. IPHONE DUO A keyboard that adapts to your space, with responsive layouts for the iPhone Duo outer and inner display. PRIVATE BY DESIGN Your typing, predictions, and learned language data stay on this device. Ninput does not upload what you type. You can use the keyboard without enabling Full Access. ENGLISH & CHINESE PINYIN Switch between English typing and Chinese Pinyin from the keyboard. The active input language is clearly shown. ON-DEVICE AI On compatible devices with Apple Intelligence enabled, Ninput uses Apple's on-device model for context-aware suggestions. Once the model is ready, AI suggestions work offline. Initial model download may need an internet connection. Availability varies by device, language, and region. Requires iOS 26 or later. OFFLINE INPUT Basic typing, Pinyin conversion, and local dictionary suggestions work offline without Apple Intelligence. FREE TO TRY Explore smart input with a daily allowance. After it runs out, regular typing and basic suggestions remain available. The allowance resets each day. NINPUT PRO Subscribe monthly or yearly to remove the daily smart-input limit. Current prices are shown before purchase. Payment is charged to your Apple Account. Subscriptions renew automatically unless canceled at least 24 hours before the period ends; renewal may be charged within the final 24 hours. Manage or cancel in Settings > [your name] > Subscriptions. Privacy Policy: https://www.ningdom.com/privacy.html Terms of Use: https://www.ningdom.com/terms.html
DriveFlash
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【Your Cloud Drive Now Answers You.】 DriveFlash is an AI-powered personal knowledge management assistant. Transform your scattered cloud drive documents into an intelligent knowledge base you can chat with and query anytime. Two Login Options, Your Choice Sign in with Apple: Your knowledge stays in iCloud Drive, completely private Google Sign-in: Your knowledge stays in Google Drive, synced across platforms Both methods offer identical functionality—use either one to access all AI features. Ask Your Documents Directly RAG Smart Q&A (vector search + Gemini AI) with three-layer intelligent retrieval (Wiki index → vector similarity → keyword matching). AI answers come with clickable source document links and related topic suggestions. Convert Multiple Content Sources to Notes in One Click YouTube videos, Podcasts, web articles, PDFs (including scans), eBooks (EPUB/DOCX), photos (OCR), audio files—9 built-in analysis modes + custom modes: Detailed summary, study notes, meeting minutes, academic seminar User manuals, knowledge extraction, eBook quick-read Convert to Markdown, transcript organization Custom analysis mode (add your own prompts to process source content) Auto-Generate Knowledge Reports AI daily/weekly/monthly reports automatically organize and review your newly added content and knowledge direction. Meeting Todos → Reminders Automatically extract action items from meeting notes and add them to iOS Reminders app in one click, with bidirectional deep links for seamless navigation. Learning Verification + Course System Quiz: Daily/weekly/monthly tests auto-generated from your knowledge base Lesson: AI-generated short course cards to refresh your memory Learning reminders to help you maintain momentum AI Assistant Built-in "Prompt Architect" with one-click professional templates Custom prompts: add, edit, delete personalized templates Multi-file attachment support with content persisting across conversations Privacy First No proprietary servers: data flows directly between your device and cloud API keys encrypted in Keychain, never uploaded to any server 【Key Features】 RAG smart Q&A + source attribution AI daily/weekly/monthly reports Cloud drive folder browsing Full-text search + vector search 9 built-in analysis modes (detailed summary / study notes / convert to Markdown / meeting minutes / academic seminar / user manual / knowledge extraction / eBook quick-read / transcript organization) EPUB / DOCX eBook parsing YouTube / Podcast subtitle extraction and analysis Learning verification Quiz + Lesson cards Meeting todos → iOS Reminders integration 5 languages (Traditional Chinese / Simplified Chinese / English / Japanese / Korean) Completely free, with optional developer support 【Prerequisites】 Apple ID or Google Account (one or the other) Gemini API key (free signup at aistudio.google.com) 【Minimum System Requirements】 iPhone: iOS 26.2 or later iPad: iPadOS 26.2 or later (Required to access iOS 26 exclusive APIs like Apple SpeechAnalyzer and NLContextualEmbedding)
Screenshots
Verdict
The clearest difference is ads: Ninput at none against DriveFlash's shown. On price, update cadence, 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. Ninput sells 2 in-app purchases, starting at $1.99 per month and DriveFlash sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Ninput ships an update every 6 weeks, DriveFlash every 3 weeks. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.
| Parameter | Ninput | DriveFlash |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks | Every 3 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 26.0 — better | 26.2 |
| Further details — not scored | ||
| Size | 19 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | Beijing Ningdom Technology Co., Ltd. | MING HWA LEE |
In-app purchases
Ninput
- Monthly$1.991 Month
- Yearly$14.991 Year
DriveFlash
- Buy Me a Coffee$2.99









