Comparison

AF vs ChatKit

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

Head to head
About

AF

Features
Read full description

For AF-21 & P-901 IoTStation message receiving.

About

ChatKit

Features
Read full description

ChatKit-AI bot ,Experience Fast, Reliable AI Chat with Seamless API Integration Powered by Your Own API Key  Tired of laggy AI chat apps that crash, freeze, or leave you waiting? This app is built to solve that. With support for your API, you can enjoy ultra-fast, smooth, and highly responsive AI conversations—anytime, anywhere.  No more limitations. Just bring your own API key, switch effortlessly between platforms, and get started instantly. Whether you’re coding, writing, learning, or just exploring ideas, this app gives you the flexibility and performance you need.  Key Features: • Dual API Suppor, You choose your AI engine. • Effortless Switching: Swap between APIs with just a few taps—ideal for users who want maximum flexibility. • Lightning-Fast Response: Say goodbye to network delays or sluggish performance. Enjoy real-time chat, powered directly by your API. • No Account Required: Privacy-first design—just plug in your API key and go. No signups, no logins. • Clean & Minimal UI: Built for productivity and focus, the interface stays out of your way and keeps you in the flow. • Stable and Reliable: Designed for consistent uptime and smooth interaction, even during high-demand periods.  Who Is It For?  This app is perfect for: • Developers who want a quick way to test or use AI models • Students seeking help with studying, research, or writing • Professionals who rely on AI for productivity and ideation • Anyone who wants fast, flexible, and private access to advanced AI chat tools  Whether you’re working, learning, or just curious—this app is your always-ready, ultra-reliable AI assistant.

Screenshots

AF1 screens
ChatKit4 screens

Verdict

The call

The clearest difference is update cadence: ChatKit at every 4 months against AF's every 38 months. 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

AF ships an update every 38 months, ChatKit every 4 months. The most recent releases landed on September 15, 2026 and December 20, 2025 respectively.

Scorecard1 real difference · 5 level
AF versus ChatKit: the parameters behind the verdict, then further details
ParameterAFChatKit
PriceFreeFree
Update frequencyEvery 38 monthsEvery 4 months — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhoneiPhone
Requires iOS16.216.0 — better
Further details — not scored
Size140 MB0 MB
Age rating4+17+
Developerjohn ChengHang Thanh Thi Nguyen

In-app purchases

None

AF

No in-app purchases

None

ChatKit

No in-app purchases

Questions

Is AF free?
AF is free to download, with no in-app purchases.
Is ChatKit free?
ChatKit is free to download, with no in-app purchases.
Do AF or ChatKit have ads?
Neither AF nor ChatKit shows ads.
Which is updated more often, AF or ChatKit?
AF ships an update every 38 months, and ChatKit every 4 months. Most recently, AF was updated on September 15, 2026 and ChatKit on December 20, 2025.

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