Comparison

ChatModel vs 上下求索

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

Head to head
About

ChatModel

Features
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ChatModel is an AI assistant based on Artificial Intelligence technology with multimodal features, map recognition, document recognition, networking and more. networking and more. Welcome to ChatModel, our app combines the latest AI technology to provide you with a new chatting experience. Whether you want to get advice, find answers to your questions, chat about the news, or plan for the future, ChatModel has you covered. It is good at handling a variety of tasks, such as writing essays, writing resumes, travel planning, language translation, recipe recommendations, programming guidance, writing song lyrics, and other tasks. It is good at handling a variety of tasks, such as writing essays, writing resumes, travel planning, language translation, recipe recommendations, programming guidance, writing song lyrics, and more. - Supports streaming output to reduce waiting time. - Supports context association, context segmentation and other functions. - Support picture and file questioning to experience the latest models. - Support switching models, currently 80+, experience different AI. - Support 4o, 4.0, o1, opus, sonnet, gemini, llama3.3, Deepseek, etc., make the answer more intelligent. - Support route switching, extremely fast experience. When encountering a question, the prompt is abnormal, you can try in the setting page - route switching function Do not enter personal information. It may generate offensive or dangerous content.ChatModel is not responsible for the generated content. ChatModel is not responsible for the generated content. - Users can subscribe to full functionality with unlimited access; Subscriptions are charged on an annual basis and will be debited from the iTunes account at the end of the year. - Subscriptions are charged on an annual basis and will be debited from the iTunes account at the time the User confirms the purchase; Users may turn off auto-renewal. - Users may turn off auto-renewal of a subscription 24 hours before the end of the current subscription, or the subscription will automatically renew; An Apple ID with an auto-renewal will be automatically renewed. - An Apple ID with an auto-renewing subscription will be automatically charged to the iTunes Account 24 hours prior to the expiration of each billing cycle and extended for the corresponding period of validity. and extended for the corresponding period of validity. - User-managed subscription services, i.e., you can go to your user account settings to turn off automatic subscriptions after purchase. Privacy Policy: https://sites.google.com/view/chatmodelprivacy Usage Agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula.

About

上下求索

This intelligent assistant supports voice, text, and image input for Q&A and inspiration. Explore bite-sized knowledge, generate unique photos with the Time Gallery, and engage in follow-up questions for deeper understanding.

Highlights
  • Voice, text, and image input
  • Follow-up questions
  • Extended reading content
  • Bite-sized Knowledge module
  • Time Gallery photo generation
  • Task list and result page
Features
Read full description

SeekTruth brings AI questions, voice input, image understanding and creative tools into one native app. Start with a question, an idea or a picture, then ask follow-up questions and revisit your conversations and creations. Features: • Ask with text, voice or images. Answers appear progressively, and you can stop an answer or continue with a follow-up question. • A dedicated input page offers expression refinement, question completion, and Focus and Deep modes. • Search conversation history, edit titles, archive conversations or delete them. • Explore daily weather, AI briefings and featured creations. Browse curated content, creations and news, then ask AI about what you see. • Four native tools: Life Essentials for weather and news, Speak & Translate for voice, text and image translation, AI Music for song creation, and Image Studio for text-to-image generation and reference-image editing. • Revisit your images and music in your works and album, with playback, saving and sharing actions where available. • Memberships and in-app coins are available through Apple In-App Purchase. Benefits, terms and prices are shown in the app and in Apple's purchase confirmation. Some features require sign-in or in-app coins. Microphone, camera, photo library and notification permissions are requested when needed. Declining a permission does not prevent use of features that do not depend on it. AI-generated content may be inaccurate; verify important information independently. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.yiyouyinli.com/seektruth/download/privacy.html

Screenshots

ChatModel3 screens
上下求索4 screens

Verdict

The call

The clearest difference is update cadence: ChatModel at monthly against 上下求索's every 2 months. ChatModel also leads on iOS requirement (14.0 vs 17.0). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. ChatModel sells 3 in-app purchases, starting at $3.99 per 7 days and 上下求索 sells 5 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

ChatModel ships an update monthly, 上下求索 every 2 months. The most recent releases landed on October 23, 2026 and October 16, 2026 respectively.

Scorecard2 real differences · 6 level
ChatModel versus 上下求索: the parameters behind the verdict, then further details
ParameterChatModel上下求索
PriceFreeFree
Positive reviews—0.0% of reviews
Update frequencyMonthly — betterEvery 2 months
AdsNoNo
In-app purchasesYesYes
Monetization—Free
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.0 — better17.0
Further details — not scored
Size15 MB21 MB
Age rating9+12+
DeveloperQijie Information亿有引力

In-app purchases

3 purchases

ChatModel

Subscriptions3
  • Weekly Plus$3.997 Days
  • Monthly Plus$12.991 Month
  • Annual Plus$119.001 Year
5 purchases

上下求索

Subscriptions1
  • AI Creation Monthly1 Month trial$3.991 Month
One-time4
  • 50 张图片加量包$0.99
  • 50 Coins$0.99
  • 170 Coins$3.99
Show 1 more
  • 420 Coins$9.99

Questions

Is ChatModel free?
ChatModel is free to download, with in-app purchases available.
Is 上下求索 free?
上下求索 is free to download, with in-app purchases available.
Do ChatModel or 上下求索 have ads?
Neither ChatModel nor 上下求索 shows ads.
Which is updated more often, ChatModel or 上下求索?
ChatModel ships an update monthly, and 上下求索 every 2 months. Most recently, ChatModel was updated on October 23, 2026 and 上下求索 on October 16, 2026.

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