Comparison

ChatNow AI vs NoteOS

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

ChatNow AI

This AI platform integrates multiple large language models to execute tasks through natural language conversations. It offers a unified interface for various AI models, simplifying integration and boosting efficiency for businesses and developers.

Highlights
  • Unified API for multiple LLM models
  • Task execution via text/voice conversations
  • Visual workflow customization
  • End-to-end data security
  • API integration for developers
  • No-code/low-code templates
Features
Read full description

Product Introduction: AI Conversation & API Task Execution Platform Our AI Conversation & API Task Execution Platform integrates mainstream LLM APIs, enabling task execution via natural language. It provides a unified interface for top AI models, simplifying integration, boosting efficiency, and reducing customization costs. 2. Supported Mainstream AI Large Model APIs Supported mainstream AI models: - OpenAI GPT: GPT-4/4 Turbo/3.5 Turbo – general conversation, content creation, logical reasoning. - Anthropic Claude: Claude 3 Series – long text, data analysis, high security/compliance. - Google Gemini: Pro/Ultra – multi-modal tasks, scientific computing, Google ecosystem integration. - Baidu ERNIE: 4.0/3.5 – Chinese understanding, local business, vertical industries. - Alibaba Tongyi: 2.0/1.5 – e-commerce, enterprise automation, multi-language processing. Regular model library updates for cutting-edge capabilities. 3. Key Features • Unified API for all models, centralized management of calls and configurations. • Task execution via text/voice conversations, auto-invoking AI/third-party APIs. • Flexible model switching with intelligent recommendations. • Visual workflow customization for automation (scheduled/trigger-based tasks). • End-to-end encryption, RBAC, and global regulation compliance for data security. 4. Application Scenarios • Enterprise Office: Automates meeting minutes, emails, data reports via conversations. • Customer Service: Intelligent responses, personalized replies, issue escalation. • Developer Assistance: Code generation, bug fixing, API integration support. • Vertical Industries: Finance (market analysis, financial docs), Education (learning plans, tutoring), Healthcare (medical record sorting, knowledge retrieval). 5. Easy Integration & Deployment Integration & Deployment: API integration for developers; no-code/low-code templates for non-technical users. Public/private cloud deployment options. 6. Pricing & Support Pricing: Flexible plans (pay-as-you-go, subscription) for individuals, SMEs, enterprises; customized solutions available. Support: 24/7 technical assistance via email/chat/phone; docs, tutorials for quick onboarding. 7. Conclusion Our platform redefines task execution with advanced AI integration, reducing costs and boosting efficiency. Ideal for office automation, customer service enhancement, and innovative development. [Automatic Subscription Service Description] Subscription method A weekly subscription is free for three days Annual subscription Subscription Instructions The subscription service includes a free service that supports unlimited access to offline functions, photo translation and voice translation functions Payment and renewal • Payment: After the user confirms the purchase, the fee will be deducted from their iTunes account. • Renewal: Apple iTunes accounts will be charged 24 hours before expiration. Once the payment is successfully deducted, the subscription period will be automatically extended. • To cancel renewal: If you need to cancel the renewal, please manually turn off the auto-renewal function through iTunes/Apple ID Settings within 24 hours before the expiration of the current subscription period. Contact For further information or app support please contact us at fengtao56@sina.com Terms of use: https://www.xiaoyouhd.com/chatnow_terms.html Privacy policy: https://www.xiaoyouhd.com/chatnow_privacy.html

About

NoteOS

Capture thoughts, organize your day, and build routines with an AI-powered productivity app. It unifies note-taking, voice capture, to-dos, and habit tracking into a single, fast workflow, reducing friction between ideas and actions.

Highlights
  • Text and voice note-taking
  • AI note processing and summarization
  • Task and priority tracking
  • Habit building and tracking
  • Unified workspace for ideas and plans
  • Fast capture for on-the-go thoughts
Features
Read full description

Capture your thoughts, organize your day, and build better routines — all in one place. NoteOS is an AI-powered productivity app that brings together note-taking, voice capture, to-dos, and habit tracking in a simple, fast workflow. Instead of jumping between separate apps for notes, tasks, and routines, you can keep everything together and move from idea to action with less friction. Whether you are saving a quick thought, recording a voice note on the go, planning your day, or trying to stay consistent with your habits, NoteOS helps you capture what matters and turn it into something useful. With NoteOS, you can: Take notes with text or voice Use AI to process, organize, and summarize your notes Keep track of tasks and daily priorities Build routines with habit tracking Store ideas, reminders, and plans in one workspace Stay focused with a cleaner system for thinking and doing Built for real life: Ideas do not always come when you are sitting down and ready to type. Sometimes you are walking, driving, working, or in the middle of something else. NoteOS is designed for those moments. Capture a thought quickly, come back later, and let AI help you make sense of it. From note-taking to action: A lot of apps help you collect information. Fewer help you do something with it. NoteOS is built to help you move from messy input to clear output. Save an idea, review it, organize it, and turn it into tasks or routines you can actually follow. One app instead of many: If you are tired of splitting your life between a notes app, a to-do app, a reminders app, and a habit tracker, NoteOS gives you a more unified system. Your thoughts, plans, and daily actions stay connected, so it is easier to stay organized without overcomplicating your workflow. Great for: Personal notes Voice notes on the go Daily planning Task management Habit tracking Brain dumps Idea capture Simple personal organization NoteOS is made for students, professionals, creators, founders, and anyone who wants a faster way to capture ideas and stay on top of daily life. If you think fast, forget things easily, or want a better way to manage notes, tasks, and habits together, NoteOS is built for you. One place to think, plan, and follow through. Developed by Fastemy - Fast and Fun Education Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

ChatNow AI4 screens
NoteOS4 screens

Verdict

The call

The clearest difference is review sentiment: NoteOS at 57% against ChatNow AI's 0%. NoteOS also leads on rating (4.5 vs 2.6) and ads (none vs shown). ChatNow AI's advantage is update cadence (weekly vs every 2 months). On price, in-app purchases, monetization model 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. ChatNow AI sells 3 in-app purchases, starting at $7.99 per 7 days and NoteOS sells 10 in-app purchases, starting at $39.99 per year. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

NoteOS holds the better App Store score, 4.5 against 2.6. That said, the two scores are not equally well evidenced: NoteOS has 28 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 0% of ChatNow AI's written reviews are positive against 57% of NoteOS's.

UpkeepUpdate frequency

ChatNow AI ships an update weekly, NoteOS every 2 months. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

Scorecard5 real differences · 5 level
ChatNow AI versus NoteOS: the parameters behind the verdict, then further details
ParameterChatNow AINoteOS
PriceFreeFree
Rating2.6 (5 ratings)4.5 (28 ratings) — better
Positive reviews0.0% of reviews57.1% of reviews — better
Number of ratings528 — better
Update frequencyWeekly — betterEvery 2 months
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhoneiPhone
Requires iOS17 — better17.6
Further details — not scored
Size46 MB23 MB
Age rating4+4+
DeveloperXiaoyou InteractiveAbdullah YILMAZ

Customer experience

ChatNow AI

All ratings5 ratings
Positive40.0%
Neutral0.0%
Negative60.0%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

NoteOS

All ratings27 ratings
Positive88.9%
Neutral3.7%
Negative7.4%
Written reviews7 reviews
Positive57.1%
Neutral0.0%
Negative42.9%

In-app purchases

3 purchases

ChatNow AI

Subscriptions3
  • Weekly3 Days trial$7.997 Days
  • Weekly$7.997 Days
  • Yearly$69.991 Year
10 purchases

NoteOS

Subscriptions3
  • NoteOS Plus Yearly7 Days trial$39.991 Year
  • NoteOS Business Monthly$49.991 Month
  • NoteOS Business Yearly$399.991 Year
One-time7
  • NoteOS 1 Hour AI Credits$0.99
  • NoteOS 500MB AI Credits$0.99
  • NoteOS 2GB AI Credits$2.99
Show 4 more
  • NoteOS 5 Hour AI Credits$3.99
  • NoteOS 10GB AI Credits$9.99
  • NoteOS 20 Hour AI Credits$12.99
  • NoteOS Plus Lifetime$49.99

Questions

Is ChatNow AI free?
ChatNow AI is free to download, with in-app purchases available.
Is NoteOS free?
NoteOS is free to download, with in-app purchases available.
Which has better reviews, ChatNow AI or NoteOS?
NoteOS is rated higher. ChatNow AI averages 2.6 out of 5 from 5 ratings, while NoteOS averages 4.5 from 28 ratings.
Do ChatNow AI or NoteOS have ads?
ChatNow AI shows ads; NoteOS does not.
Which is updated more often, ChatNow AI or NoteOS?
ChatNow AI ships an update weekly, and NoteOS every 2 months. Most recently, ChatNow AI was updated on November 5, 2026 and NoteOS on October 31, 2026.

Other comparisons