Comparison

ChatPro4 vs LogosX

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

Head to head
About

ChatPro4

Engage in natural conversations with an AI assistant for advice, information, and creative tasks. It offers writing assistance, translation, planning, and programming help, powered by an advanced AI model with vision and speech-to-text capabilities.

Highlights
  • Advanced AI model (4.0)
  • Vision modeling for picture conversations
  • Speech-to-text for efficiency
  • Streaming output for reduced waiting
  • Role-playing and dialog scenarios
  • Contextualization and multi-line switching
Features
Read full description

ChatPro4 is a smart Q&A app based on artificial intelligence technology that allows you to have natural conversations. Whether you want to get advice, find answers to your questions, chat about the news, or plan for the future, ChatPro4 has you covered. It specializes in a variety of tasks such as writing essays, song lyrics, resumes, travel planning, language translation, recipe recommendations, programming guidance, and much more. Key features of ChatPro4 include: - Advanced 4.0 model for a smarter user experience. - Support Vision modeling and experience picture conversations. - Support speech-to-text function to improve work efficiency. - Streaming output to reduce waiting time. - Supports features such as contextualization and split lines. - You can play different roles and experience different dialog scenarios. - Multi-line switching to reduce line problems. Support more functions in the future Whether you want to find an answer, have an interesting conversation, or need an intelligent assistant to help complete a task, ChatPro4 is able to meet the needs of users and provide them with a high-quality intelligent conversation experience. Download ChatPro4 and start a journey of intelligent conversation! Do not enter personal information. Offensive or dangerous content may be generated. ChatPro4 is not responsible for the content generated. Subscription Instructions: - Users may subscribe to full functionality with unlimited access; - Subscriptions are charged on an annual basis and will be deducted from the User's iTunes account when the User confirms the purchase; - 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-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; - User-managed subscription services, i.e., after purchase, you can go to your user account and set up a way to turn off automatic subscriptions. Privacy Policy: https://sites.google.com/view/chatpro4privacy/%E9%A6%96%E9%A1%B5 Usage Agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula

About

LogosX

Features
Read full description

LogosX enables fast, reliable X-ray image capture, inspection, and incident management in the field. It is purpose-built for law enforcement, military EOD, and tactical response operations using Logos Imaging portable digital radiography systems. Designed for demanding environments, LogosX keeps essential capture and review tools clear and accessible when time matters. Operators can acquire, organize, enhance, annotate, stitch, and export high-quality X-ray images directly from supported devices. Whether conducting routine sweeps or responding to high-risk incidents, LogosX provides the clarity and control needed to review imagery and make informed operational decisions. Key Features: • Wired and wireless X-ray image capture • Single-image, dual-energy, and mosaic capture workflows • Incident-based image organization and management • Advanced 16-bit window/level, filtering, measurement, ROI, and annotation tools • Image stitching with alignment and blending controls • Image and incident import, export, and sharing • Online and offline activation options • Responsive, touch-friendly workflows for field devices Supported Detector Panels: • SÓSTOS • XIRÓS • STENÓS Who It’s For: • State and local law enforcement bomb squads • Military EOD teams • Tactical response units using portable X-ray systems From routine inspections to high-risk responses, LogosX equips teams with practical imaging tools for confident, efficient field operations.

Screenshots

ChatPro44 screens
LogosX4 screens

Verdict

The call

The clearest difference is in-app purchases: LogosX at none against ChatPro4's 3. LogosX also leads on ads (none vs shown). ChatPro4's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence 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. ChatPro4 sells 3 in-app purchases, starting at $4.99 per 7 days. LogosX asks for nothing beyond the download.

UpkeepUpdate frequency

ChatPro4 ships an update every 3 weeks, LogosX every 5 weeks. The most recent releases landed on October 1, 2026 and October 7, 2026 respectively.

Scorecard3 real differences · 6 level
ChatPro4 versus LogosX: the parameters behind the verdict, then further details
ParameterChatPro4LogosX
PriceFreeFree
Rating5.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 3 weeks — betterEvery 5 weeks
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size17 MB83 MB
Age rating12+4+
DeveloperQijie InformationLogos Imaging

In-app purchases

3 purchases

ChatPro4

Subscriptions3
  • Weekly Plus$4.997 Days
  • Monthly Plus$11.901 Month
  • Annual Plus$89.991 Year
None

LogosX

No in-app purchases

Questions

Is ChatPro4 free?
ChatPro4 is free to download, with in-app purchases available.
Is LogosX free?
LogosX is free to download, with no in-app purchases.
Do ChatPro4 or LogosX have ads?
ChatPro4 shows ads; LogosX does not.
Which is updated more often, ChatPro4 or LogosX?
ChatPro4 ships an update every 3 weeks, and LogosX every 5 weeks. Most recently, ChatPro4 was updated on October 1, 2026 and LogosX on October 7, 2026.

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