Comparison

Blaze vs UnderText

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

Head to head
About

Blaze

Access and compare responses from six leading AI models, including ChatGPT, Gemini, and Grok, all within one app. Get intelligent conversations, creative writing, research assistance, and coding help tailored to your needs. Easily share AI-generated content and discover the best AI for any task.

Highlights
  • Access to six advanced AI models
  • Real-time AI comparison tool
  • Versatile AI assistance for various tasks
  • Effortless sharing of AI responses
  • Intuitive and user-friendly interface
Features
Read full description

Blaze AI: The Ultimate Multi-Engine AI Chat App Blaze AI is the all-in-one AI chat app that gives you access to six of the most advanced AI models: ChatGPT by OpenAI, Gemini by Google, Llama by Meta, DeepSeek AI, Perplexity AI, and Grok by xAI. Whether you need intelligent conversations, creative writing, research assistance, coding help, or real-time problem-solving, Blaze AI brings the best AI engines together in one seamless app, allowing you to choose the right AI for any task. Why Choose Blaze AI? AI Comparison Tool – Experience the unique strength of each AI model side by side. Blaze AI lets you select any two AI engines and compare their responses in real time. Whether you're testing for accuracy, creativity, or problem-solving skills, Blaze AI gives you direct insights into how each model performs. Multiple AI Engines, One App – Get instant access to six of the most advanced AI models. ChatGPT is known for structured problem-solving, Gemini excels in creative tasks, Llama provides open-source flexibility, DeepSeek specializes in deep learning-based insights, Perplexity offers research-driven responses, and Grok brings an edgy, real-time approach. Effortless Sharing – Easily share AI-generated responses via messaging apps, email, or social platforms in just a few taps. Versatile AI Assistance – From homework help and content creation to brainstorming, coding support, and general problem-solving, Blaze AI adapts to your needs with ease. Key Features AI Chat at Your Fingertips – Type your queries and receive instant, intelligent responses. Real-Time AI Comparison – Choose any two AI engines and see how their responses differ. Customizable Responses – Get concise summaries, detailed explanations, or creative outputs based on your needs. Intuitive Interface – A clean, user-friendly design ensures seamless interaction. Who Can Benefit from Blaze AI? Students – Get instant explanations, essay drafts, and problem-solving help. Professionals – Brainstorm ideas, draft emails, and tackle work challenges. Content Creators – Unlock creativity with AI-driven writing, storytelling, and content suggestions. Developers – Solve coding problems, debug issues, and generate code snippets. Language Learners – Improve grammar, practice conversations, and expand vocabulary. Everyone Else – Whether for fun, productivity, or everyday tasks, Blaze AI makes your life smarter and easier. Why Blaze AI Stands Out Unlike other AI chat apps, Blaze AI provides access to multiple AI engines and lets you compare them in real time. With features like AI-to-AI comparison and effortless sharing, Blaze AI is designed for both productivity and creativity in a single, powerful app. Download Blaze AI Today! Transform the way you interact with AI. Experience the best of ChatGPT, Gemini, Llama, DeepSeek, Perplexity, and Grok—all in one groundbreaking app. Don’t miss out—download Blaze AI today and see how top AI models compare in real time! Terms of Use: https://sites.google.com/stayfitapps.com/chat-ai-privacy Privacy Policy: https://sites.google.com/stayfitapps.com/chat-terms

About

UnderText

Read full description

UnderText transforms language learning by turning your iOS keyboard into a smart companion. As you type in your everyday conversations, UnderText translates your text into your target language instantly so you understand how your expressions come across. If you mix languages or type imperfect sentences, UnderText suggests corrected versions, helping you improve grammar and vocabulary. The keyboard supports multiple languages and lets you switch effortlessly. To reinforce learning, UnderText generates flashcards from your translations, so you can review new words and phrases later. The keyboard can work offline, protecting your privacy. Whether you’re a beginner or advanced learner, UnderText makes practice effortless by integrating language learning into the way you already communicate. Terms of Use: https://xntuan.github.io/UnderText/terms.html Privacy Policy: https://xntuan.github.io/UnderText/privacy.html

Screenshots

Blaze4 screens
UnderText4 screens

Verdict

The call

The clearest difference is ads: UnderText at none against Blaze's shown. UnderText also leads on update cadence (weekly vs fortnightly). Blaze's advantage is iOS requirement (15.1 vs 26.0). On price, 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. Blaze sells 6 in-app purchases, starting at $6.99 per 7 days and UnderText sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Blaze ships an update fortnightly, UnderText weekly. The most recent releases landed on October 5, 2026 and September 25, 2026 respectively.

Scorecard3 real differences · 7 level
Blaze versus UnderText: the parameters behind the verdict, then further details
ParameterBlazeUnderText
PriceFreeFree
Rating4.3 (53 ratings) — better—
Positive reviews41.2% of reviews—
Number of ratings53 — better—
Update frequencyFortnightlyWeekly — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPod — betteriPhone
Requires iOS15.1 — better26.0
Further details — not scored
Size34 MB5 MB
Age rating4+4+
DeveloperStay Fit Apps LLCXuan Tuan Nguyen

In-app purchases

6 purchases

Blaze

Subscriptions6
  • Chat AI Premium$6.997 Days
  • Chat AI Premium7 Days trial$7.991 Month
  • Chat AI Premium7 Days trial$14.991 Month
Show 3 more
  • Chat AI Premium$14.991 Month
  • Chat AI Premium$39.991 Year
  • Chat AI Premium2 variants$79.991 Year
2 purchases

UnderText

Subscriptions2
  • UnderText Premium (monthly)$2.991 Month
  • UnderText Premium (Yearly)3 Days trial$23.991 Year

Questions

Is Blaze free?
Blaze is free to download, with in-app purchases available.
Is UnderText free?
UnderText is free to download, with in-app purchases available.
Do Blaze or UnderText have ads?
Blaze shows ads; UnderText does not.
Which is updated more often, Blaze or UnderText?
Blaze ships an update fortnightly, and UnderText weekly. Most recently, Blaze was updated on October 5, 2026 and UnderText on September 25, 2026.

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