PhyOTA vs ChatX
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PhyOTA
This utility app facilitates over-the-air (OTA) upgrades for BLE chips. It supports various chip generations and features like Xip and encrypted OTA functionality, offering a simple integration demo.
- BLE chip OTA upgrades
- Support for 1st gen 6202 chips
- Support for 2nd gen 6212 chips
- Long packet transmission
- Xip support
- Encrypted OTA functionality
Read full descriptionHide full description
奉加微电子(上海)有限公司于2015年05月11日成立。 此程序支持成立来成立所有BLE芯片OTA空中升级功能。 iOS_OTA做最简单的OTA集成Demo程序。 项目包含:(1)一代6202芯片20字节传输hex和res（2）二代6212芯片使用长包传输hex和Res（3）支持Xip（4）支持加密OTA功能
ChatX
This AI chat client leverages advanced language models to help you generate content and boost efficiency. It offers features like prompt collections, quick phrases, and image generation, all accessible through high-speed API servers. Manage your conversations and settings across multiple devices with ease.
- Multiple advanced AI models
- High-speed API servers
- Prompt collections
- Image generation
- iCloud multi-device sync
- Quick phrases and shortcuts
Read full descriptionHide full description
ChatX is a powerful AI chat client powered by the most advanced 4o、5、5mini、o3、DeepSeek V3/R1、Claude model. With our high-speed API servers, you can use AI to generate any content anytime, anywhere, to boost your work and life efficiency. 【Key Features】 - Words Mode: Spend only for what you use, never waste a word - Prompt Collections: Easily start every conversation, advanced prompts available - Quick-switch New Conversations: Flexibly control context lines - Quick Phrases: Boost your dialogues with a single click to send - High-speed API servers: Experience ultimate speed, boundless access, and customization support - API Key Mode: Check your monthly usage - Token Calculator: Real-time financial calculations, know your consumption details - Image Generation: Official Beta interface for creating images with text - Shortcuts: URL Scheme & Siri 【Chat Experience Enhanced】 - AI Parameters: Model, creative temperature, dialogue memory, conversation length - TTS Auto Speech: Auto language detection, speed of reading settings - Chat Control: Pause and resume generation - Chat Management: Icon settings, pinning, order adjustment - Message Enhancement: Select text, resend, rewrite, share - Casual Chatting: Start a conversation anytime, anywhere - Others: Haptic feedback, chat font size - Compression history summary - Quickly open chat from the Control Center 【Advanced Features】 - Support newest Gemini model - iCloud Multi-device Auto Sync: Sync your chat lists and settings - macOS & iPad Keyboard Support: Use shortcut keys to send messages - Lock Screen Widgets: Quick lock screen launch - URL Schemes: Call shortcut commands - Non-Stream Responses API Encourage us with five stars, More powerful features will be developed. Also, feedback are welcome to tell us on Twitter:@AppChatX / The6XStudio@gmail.com
Screenshots
Verdict
The clearest difference is review sentiment: ChatX at 88% against PhyOTA's 0%. ChatX also leads on rating (4.6 vs 1.0) and ratings volume (481 vs 1). PhyOTA's advantage is in-app purchases (none vs 6). On price, ads, device support and iOS requirement 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. ChatX sells 6 one-off in-app purchases. PhyOTA asks for nothing beyond the download.
ChatX holds the better App Store score, 4.6 against 1.0. That said, the two scores are not equally well evidenced: ChatX has 481 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of PhyOTA's written reviews are positive against 88% of ChatX's.
PhyOTA ships an update every 6 weeks, ChatX fortnightly. Both last shipped on September 17, 2026.
| Parameter | PhyOTA | ChatX |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 4.6 (481 ratings) — better |
| Positive reviews | 0.0% of reviews | 88.4% of reviews — better |
| Number of ratings | 1 | 481 — better |
| Update frequency | Every 6 weeks | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | 奉加微电子 | 6X Studio LLC |
Customer experience
PhyOTA
ChatX
Bugs and requests
PhyOTA
Not enough reviews yet to summarise bugs or requests.
ChatX
Reported bugs
4 issues- Inconsistent iCloud sync for chat settings
- Occasional crashes
- Compatibility issues with older devices
- Login screen freezes
Requested features
7 requests- Safari extension
- Keyboard extension
- Support for Azure OpenAI API
- Markdown support
- Local model import and loading
Show 2 moreShow fewer
- More AI models (e.g., DALL-E, Claude)
- Customization options for UI size and color
In-app purchases
PhyOTA
No in-app purchases
ChatX
- Pro (Lifetime)Free
- Add Words Pack 1$0.99
- Add Words Pack 2$3.99
Show 3 moreShow fewer
- Pro$4.99
- Add Words Pack 3$7.99
- Add Words Pack 4$17.99
