Liner vs GridCal
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Accurate AI search
- Summarize YouTube videos
- Solve problems from photos
- Analyze uploaded files
- Chat with photos
- Multiple AI models
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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
GridCal
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Most calendar apps open on a day or a week. GridCal opens on the month — the whole month, first. On Apple Watch, the full month grid fills the screen. Turn the Digital Crown to move month by month, swipe up or down to change months, swipe sideways to jump a year, and tap any date to see that day's events. A circular complication shows today's date inside a ring that fills as the month goes by. On iPhone, pick the view that fits how you plan: • 1+ — one big month, wall-calendar style, with holiday names right in the cells • 1 — one month plus a detail panel for the day you tap • 2 — two months side by side • 3 — three months at a glance Swipe to move one month at a time, in every view. Your calendar events appear right on the grid — a dot under days that have something on, and a full list when you tap a date. Holidays for 16 countries are built in — no downloads, no subscriptions. Choose the countries you care about in Settings, and their holidays show in red with their names: United States, South Korea, Japan, China, Taiwan, Hong Kong, United Kingdom, Canada, Australia, Germany, France, Spain, Italy, Mexico, Brazil, and India. Holiday data covers 2025–2032. GridCal follows your device's language and your region's first day of the week, automatically. No account. No ads. No tracking. Your events never leave your device.
Screenshots
Verdict
The clearest difference is price: Liner at Free against GridCal's $1.99. Liner also leads on iOS requirement (16.4 vs 26.0). GridCal's advantage is in-app purchases (none vs 22) and update cadence (every 3 days vs weekly). On ads 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
Liner is free to download; GridCal costs $1.99 up front. Liner sells 18 in-app purchases, starting at $9.99 per month. GridCal asks for nothing beyond the download.
Liner ships an update weekly, GridCal every 3 days. The most recent releases landed on November 1, 2026 and October 29, 2026 respectively.
| Parameter | Liner | GridCal |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 4.4 (1.4K ratings) — better | — |
| Positive reviews | 39.3% of reviews | — |
| Number of ratings | 1.4K — better | — |
| Update frequency | Weekly | Every 3 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Requires iOS | 16.4 — better | 26.0 |
| Further details — not scored | ||
| Size | 122 MB | 2 MB |
| Age rating | 12+ | 4+ |
| Developer | Liner Corp. | SOOYEON CHO |
In-app purchases
Liner
- Monthly Plan$9.991 Month
- Professional Monthly1 Month trial$14.991 Month
- Liner Pro2 variants$17.991 Month
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- 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
GridCal
No in-app purchases









