Comparison

ChatKeyPT vs Summary AI

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

Head to head
About

ChatKeyPT

This application provides an advanced AI chat interface, offering access to exclusive models and multimodal capabilities like image generation. It allows for tailored responses through system prompts and a pay-as-you-go cost model, making AI assistants more accessible.

Highlights
  • Access to exclusive AI models
  • Image generation via diffusion models
  • Tailored responses with system prompts
  • Pay-as-you-go cost model
  • Save and share generated images
Features
Read full description

ChatKeyPT is a new but familiar interface that allows you to take advantage of AI assistants in new ways. COST-SAVING The biggest benefit to using this platform is that you only pay for what you use, instead of a hefty monthly fee. ACCESS TO EXCLUSIVE MODELS You get full access to models exclusive to APIs that excel at things like code generation. TAILORED RESPONSES System prompts allow you to have greater control over your chat responses. Have everything explained to a five-year-old, or even hold a conversation in Shakespearean English. MULTIMODAL VERSATILITY The platform has image generation support through diffusion models. Freely save and share images that you generate. Disclaimer: In order to use this app's features, you need your own API key, which you can get from the following link: https://platform.openai.com/api-keys This app is not affiliated, endorsed, or sponsored by OpenAI.

About

Summary AI

Instantly condense lengthy text, articles, PDFs, and videos into key points using advanced AI. This free, open-source tool offers fast, customizable summaries and an integrated chat for deeper exploration of your content.

Highlights
  • Summarize articles, PDFs, and videos
  • AI-powered summarization
  • Integrated AI chat for questions
  • Customizable summary formats
  • Share Extension for easy sharing
  • History and notes tracking
Features
Read full description

Your fast, friendly AI companion for instant summaries. Drowning in endless text, long articles, PDFs, books, or videos? AI Summary is a powerful summarizer app that cuts through the noise in seconds. Summarize web articles, PDF documents, YouTube video transcripts, study notes, or even books — just share them to the app and get the key points instantly. AI Summary is powered by advanced AI models like Gemini, delivering fast, high-quality summaries you can trust. Unlike other summarizer apps, it’s completely free, open source, and has no ads. No hidden paywalls, no distractions — just a lightweight tool built for productivity, learning, and research. Why choose AI Summary? • Free, Open Source & No Ads – Built with transparency, powered by Gemini, and made for students, professionals, and the community. • Blazing Speed – Built with native technology so it’s lightning-fast, lightweight, and smooth. • Summarize Anything – Instantly summarize PDFs, web articles, books, videos, transcripts, and more. • Works Anywhere – Use the native Share Extension to summarize directly from your browser, email, or any app. • Ask & Discover – Integrated AI chat lets you ask questions and dive deeper into your content. • History & Notes – Keep track of every summary, revisit your study notes, and measure how much time you’ve saved. • Custom Summaries – Choose from six summary formats, from quick bullet points to detailed explanations. • Optimized Processing – Smart pre-processing delivers faster, cleaner summaries every time. Stop wasting time on fluff. Let AI Summary be your go-to summarizer for books, study, research, and productivity.

Screenshots

ChatKeyPT4 screens
Summary AI4 screens

Verdict

The call

The clearest difference is rating: ChatKeyPT at 5.0 against Summary AI's 4.4. ChatKeyPT also leads on iOS requirement (12.0 vs 17.0). Summary AI's advantage is ratings volume (16 vs 2). On price, review sentiment, ads and in-app purchases 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.

ReceptionRating · Positive reviews · Number of ratings

ChatKeyPT holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Summary AI has 16 ratings behind it against 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 50% and 50% positive.

Scorecard3 real differences · 7 level
ChatKeyPT versus Summary AI: the parameters behind the verdict, then further details
ParameterChatKeyPTSummary AI
PriceFreeFree
Rating5.0 (2 ratings) — better4.4 (16 ratings)
Positive reviews50.0% of reviews50.0% of reviews
Number of ratings216 — better
Update frequency—Every 4 days
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better17.0
Further details — not scored
Size59 MB19 MB
Age rating12+4+
DeveloperJack ZgombicThien Nguyen

Customer experience

ChatKeyPT

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive50.0%
Neutral50.0%
Negative0.0%

Summary AI

All ratings9 ratings
Positive77.8%
Neutral11.1%
Negative11.1%
Written reviews4 reviews
Positive50.0%
Neutral50.0%
Negative0.0%

In-app purchases

None

ChatKeyPT

No in-app purchases

None

Summary AI

No in-app purchases

Questions

Is ChatKeyPT free?
ChatKeyPT is free to download, with no in-app purchases.
Is Summary AI free?
Summary AI is free to download, with no in-app purchases.
Which has better reviews, ChatKeyPT or Summary AI?
ChatKeyPT is rated higher. ChatKeyPT averages 5.0 out of 5 from 2 ratings, while Summary AI averages 4.4 from 16 ratings.
Do ChatKeyPT or Summary AI have ads?
Neither ChatKeyPT nor Summary AI shows ads.

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