Comparison

Flash Notes vs Liquid Deadline

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

Head to head
About

Flash Notes

Capture fleeting thoughts instantly and organize them effortlessly. This app uses AI to help your ideas evolve and discover new connections, transforming scattered notes into valuable knowledge. Review your inspirations in new ways and gain visual insights into your creative process.

Highlights
  • Lightning-fast note capture via widgets and Siri
  • Categorize with 3 card types and color tags
  • Inbox-style processing with swipe gestures
  • Link related cards for idea evolution
  • AI-powered memory cards for insights
  • Serendipitous review via flashcard carousel
  • Multi-view options and visual insights
Features
Read full description

IdeaNote is a zero-stress idea capture and discovery tool. Capture flashes of inspiration in seconds, organize them effortlessly, and let AI help your scattered thoughts grow over time. Recording is never the end—let your inspiration continue to evolve. 【Core Features】 1、Lightning-Fast Capture: Deeply integrated with the iOS ecosystem. Trigger new notes instantly via Lock Screen widgets, Home Screen widgets, Siri shortcuts, or one-tap clipboard reading. Zero friction, so you never lose a fleeting thought. 2、3 Card Types & Color Tags: Automatically categorize upon creation using Idea, Info, or Task cards. Apply 6 customizable semantic colors to easily mark urgency and context without building complex folder hierarchies. 3、Inbox-Style Processing: Swipe right to archive, swipe left to trash. Separate the act of "collecting" from "processing." Jot things down now and organize them later, eliminating note-taking anxiety. 4、Idea Evolution: Link related cards to build a clear train of thought (e.g., source → derived). Watch your fragmented ideas organically grow into comprehensive projects. 5、AI-Powered Idea Memory: Our advanced AI analyzes your long-term notes to extract recurring themes, focus shifts, and deep insights, generating personalized "Memory Cards" that turn scattered data into real knowledge. 6、Serendipitous Review: Break free from linear reading. Our random flashcard carousel wakes up dormant ideas, giving old inspirations new value in your current context. 7、Multi-View & Visual Insights: Switch between Card, Grid, or Timeline views. Explore a beautiful Treemap heatmap of your topics, and receive automated Weekly Inspiration Reports to track your creative growth. 【Privacy First】 Your thoughts are strictly private. IdeaNote operates on a serverless architecture—all data is stored locally on your device by default. If you enable sync, your notes are securely routed only through your personal iCloud account. We cannot and will never access your data. Terms of Use:https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy:https://www.yuque.com/suyue-tx5hq/tf9hzg/dhpq1wythl5zr7au?singleDoc#

About

Liquid Deadline

This app offers a visual approach to deadline management, allowing users to track tasks from inception to completion. It provides intuitive progress visualization, filtering, and sorting options to help users focus on priorities. Widgets offer quick access to task status and remaining time.

Highlights
  • Visual task progress tracking
  • Deadline and start time management
  • Category-based filtering and sorting
  • Progress bar and grid views
  • Home and Lock Screen widgets
  • Custom group management
  • Local data storage for privacy
Features
Read full description

Liquid Deadline is a visual productivity app focused on deadline management, designed to help you clearly track every task from start to finish. You can create tasks with a title, category, description, start time, and deadline, then view their progress by status, including Not Started, In Progress, Completed, and Ended. The app also supports category-based filtering as well as sorting by date added or remaining time, making it easier to focus on what matters most. To make task tracking more intuitive, Liquid Deadline offers both a progress bar view and a grid view, along with liquid motion effects and multiple background styles. These features make deadline management not only clearer, but also more distinctive. You can also use Home Screen and Lock Screen widgets to quickly check upcoming tasks, remaining time, and current progress without opening the app. In addition, the app supports both Chinese and English, allows custom group management, and stores tasks and settings locally on your device, making it lightweight and privacy-friendly.

Screenshots

Flash Notes4 screens
Liquid Deadline4 screens

Verdict

The call

The clearest difference is price: Flash Notes at Free against Liquid Deadline's $1.99. Liquid Deadline's advantage is in-app purchases (none vs 3). On review sentiment, update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

Flash Notes is free to download; Liquid Deadline costs $1.99 up front. Flash Notes sells 3 in-app purchases, starting at $0.99 per month. Liquid Deadline asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

Scorecard3 real differences · 7 level
Flash Notes versus Liquid Deadline: the parameters behind the verdict, then further details
ParameterFlash NotesLiquid Deadline
PriceFree — better$1.99
Rating—5.0 (2 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings—2 — better
Update frequencyWeeklyWeekly
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium — betterPaid
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.017.0
Further details — not scored
Size68 MB2 MB
Age rating4+4+
Developer馨洁龙 郑和 宋

Customer experience

Flash Notes

Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Liquid Deadline

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

In-app purchases

3 purchases

Flash Notes

Subscriptions2
  • FlashNote-Pro(Monthly)$0.991 Month
  • FlashNote-Pro(Quarterly)$1.993 Months
One-time1
  • FlashNote-Pro(One‑time purchase)$4.99
None

Liquid Deadline

No in-app purchases

Questions

Is Flash Notes free?
Flash Notes is free to download, with in-app purchases available.
Is Liquid Deadline free?
Liquid Deadline costs $1.99, with no in-app purchases.
Do Flash Notes or Liquid Deadline have ads?
Neither Flash Notes nor Liquid Deadline shows ads.
Which is updated more often, Flash Notes or Liquid Deadline?
Flash Notes ships an update weekly, and Liquid Deadline weekly. Most recently, Flash Notes was updated on October 31, 2026 and Liquid Deadline on November 5, 2026.

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