Comparison

Liner vs Thatday

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

Head to head
About

Liner

This AI-powered assistant provides accurate answers to your questions, summarizes content, and solves problems using advanced AI models. It can analyze photos, files, and YouTube videos, offering reliable information backed by reputable sources.

Highlights
  • Accurate AI search
  • Summarize YouTube videos
  • Solve problems from photos
  • Analyze uploaded files
  • Chat with photos
  • Multiple AI models
Features
Read full description

Use 350+ AI models in one place with Liner. Choose a model to chat with, check the sources behind its answers with web search, and write what you need. Liner is your AI search and research assistant for essays and reports, work research, travel plans, and everyday questions. Skip switching between AI services and pick the right model for every question. When you need to go further, continue with Deep Research. [350+ AI Models in One Place] Choose the right AI model for search, reasoning, writing, and more. Save the models you use most to Favorites and discover new ones. - Pick the right AI model for each task - Find models with tags and filters - Get quick access to your favorite models - See estimated credits for each model [Ask in Chat, Verify With Sources] Turn on search, and your selected model answers based on Liner's search results and shows the sources behind it. Ask follow-up questions and check the original sources whenever you need to. - See the sources cited in each answer - Open original sources through citation numbers - Explore information from multiple perspectives - Ask follow-up questions for more detail [From Research to Drafting and Editing] Write with the information you find, or polish what you've already written. Use AI for essays, reports, work documents, and more. - Organize ideas and structure - Create a draft that fits your purpose - Refine sentences and wording - Summarize the key points of long materials [Compare Answers From Multiple AIs] Send the same question to up to 4 models and see how each one approaches and explains it. Review the differences and check the sources for anything you need to verify. - See answers from up to 4 models with one question - Switch between each model's answer and sources in tabs - Compare different perspectives and explanations [Explore Further With Deep Research] Enter a topic, and Liner finds and analyzes multiple sources, then organizes the findings into an answer with citation numbers. Explore key points and evidence together, even on complex topics. - Research across multiple sources - Organize key findings into tables and lists - Check evidence with citation numbers - Ask follow-up questions based on the results [Find Experts That Match Your Criteria] Search for experts by field and experience. Explore the backgrounds of professionals you'd like advice from or candidates you're looking to hire. - Search for experts by field and experience - Explore professionals and hiring candidates - View experience, location, and key background [Do More With Liner] - Search and summarize academic papers - Summarize PDFs and complex documents - Summarize key points from YouTube videos [Plan Details] - Access to 350+ AI models is available for Pro and Max subscribers. Liner's default model is available without credits. - Available models may change as they are released or retired. From your first question to research and writing, start with the AI model you want on Liner. [Terms of Service] https://liner.com/terms

About

Thatday

Features
Read full description

Thatday는 목표를 기준으로 할 일을 관리해 주는 태스크 관리 앱입니다. 남은 날짜에 따라 작업이 자연스럽게 분류되기 때문에, 별도의 정리 과정 없이 지금 처리해야 할 일을 바로 확인할 수 있습니다. 주요 기능: D-Day 기반 자동 정렬: 마감일이 가까운 작업부터 순서대로 정리됩니다. 직관적인 일정 관리: 남은 날짜를 기준으로 작업을 빠르게 파악할 수 있습니다. 간단한 태스크 구성: 복잡한 설정 없이 바로 추가하고 관리할 수 있습니다. 중요도 확인 용이: 일정에 따라 우선 확인해야 할 작업이 자동으로 상단에 배치됩니다. 필요 없는 기능 최소화: 핵심 기능에 집중한 구조로 부담 없이 사용할 수 있습니다. Thatday는 마감일 기반 정렬이 필요한 사용자, 해야 할 일의 우선순위를 시간 중심으로 관리하고 싶은 사용자에게 적합합니다. 불필요한 정보 없이, 필요한 작업만 명확하게 보여주는 일정·태스크 관리 방식을 제공합니다.

Screenshots

Liner4 screens
Thatday4 screens

Verdict

The call

The clearest difference is in-app purchases: Thatday at none against Liner's 22. Liner's advantage is update cadence (weekly vs monthly). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Liner sells 18 in-app purchases, starting at $9.99 per month. Thatday asks for nothing beyond the download.

UpkeepUpdate frequency

Liner ships an update weekly, Thatday monthly. The most recent releases landed on November 1, 2026 and October 28, 2026 respectively.

Scorecard2 real differences · 8 level
Liner versus Thatday: the parameters behind the verdict, then further details
ParameterLinerThatday
PriceFreeFree
Rating4.4 (1.4K ratings) — better—
Positive reviews39.3% of reviews—
Number of ratings1.4K — better—
Update frequencyWeekly — betterMonthly
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad — betteriPhone
Requires iOS16.4 — better16.6
Further details — not scored
Size122 MB36 MB
Age rating12+4+
DeveloperLiner Corp.Si Heon Lee

In-app purchases

18 purchases

Liner

Subscriptions18
  • Monthly Plan$9.991 Month
  • Professional Monthly1 Month trial$14.991 Month
  • Liner Pro2 variants$17.991 Month
Show 15 more
  • Liner Pro3 Days trial$17.991 Month
  • Liner Pro1 Month trial$17.991 Month
  • Professional Monthly$19.991 Month
  • Professional Monthly$22.991 Month
  • Professional Monthly$23.991 Month
  • Professional Monthly7 Days trial$23.991 Month
  • Professional Monthly2 variants$35.991 Month
  • Liner Max2 variants$35.991 Month
  • Professional Yearly2 variants$175.991 Year
  • Professional Yearly7 Days trial$175.991 Year
  • Professional Yearly14 Days trial$175.991 Year
  • Liner Pro14 Days trial$175.991 Year
  • Professional Yearly7 Days trial$179.991 Year
  • Professional Yearly7 Days trial$195.991 Year
  • Professional Yearly14 Days trial$324.991 Year
None

Thatday

No in-app purchases

Questions

Is Liner free?
Liner is free to download, with in-app purchases available.
Is Thatday free?
Thatday is free to download, with no in-app purchases.
Do Liner or Thatday have ads?
Neither Liner nor Thatday shows ads.
Which is updated more often, Liner or Thatday?
Liner ships an update weekly, and Thatday monthly. Most recently, Liner was updated on November 1, 2026 and Thatday on October 28, 2026.

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