Comparison

Thinkdrop vs Lucent

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

Head to head
About

Thinkdrop

Capture fleeting ideas, thoughts, and reminders quickly and privately. Record, write, or snap your thoughts, then securely store them with end-to-end encryption. Gain insights into your thinking patterns and reduce mental clutter.

Highlights
  • Capture thoughts via writing, voice, or image
  • End-to-end encryption for privacy
  • Organize thoughts into threads
  • Speech recognition for audio notes
  • Pin important thoughts
  • Sentiment analysis for insights
Features
Read full description

Too much on your mind? Always forgetting what you were thinking a few hours ago? All those thoughts in your head, but you can't really organize them? Well, Thinkdrop can help you with these problems. In an age where there is too much information to consume, your mind constantly replaces your thoughts due to limited space. As a result, our minds become cluttered with too many thoughts, leading to stress, anxiety, worry, pressure, confusion, and more. You need a tool that allows you to unload your thoughts. As private as your mind. As secure as your mind. A tool that clears your mind for the better. Thinkdrop is here. Thinkdrop is made to unload your thoughts quickly and privately. Have a thought, idea, compliment, annoyance, concern, accomplishment, or a general remark? Write, speak or even snap it down and unload your thoughts. Thinkdrop then encrypts and securely stores your thoughts locally on your phone or even in your personal iCloud. Thinkdrop is as accessible to you as your own thoughts. Reduce your cluttered mind by unloading your thoughts in Thinkdrop and gain progress Thinkdrop features: - Write, snap, or speak your thoughts. - Proven standard high quality encryption standards (E2EE) on all your thoughts - Expand on your original thought and create threads - Speech recognition when recording your voice to create audio-based thoughts - Import an image for your thought - Playback for all your recorded audio-based thoughts - Pin important thoughts for quick access - Automatically delete out-of-date thoughts the next time you access the ThinkPad - Face or Touch ID to prevent unauthorized access by anyone other than yourself - Beautiful design - Search function to browse all your thoughts - Statistics and insights to understand yourself better (Premium) - Know if you were positive, neutral or negative with machine learning sentiment analysis - Support for unlimited thoughts until you run out of space - Customizable notifications to remind you to clear your mind - Automatically save all captured images to your Photos app - Auto-tagging system - Location Snap to know where you added the thought - Tweet button available to automatically send the written text to your X app - Light and dark mode support - Sync your thoughts across all your Apple devices (Premium) Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Lucent

Features
Read full description

Lucent uses neuroscience-backed visual focus training to prepare your brain for deep, distraction-free work in just 60 seconds. HOW IT WORKS Stare at a glowing horizontal line. Watch mesmerizing flares rise and fall. Let your gaze naturally focus. In 60 seconds, your brain's attention circuits activate and you're ready for hours of focused work. THE SCIENCE Based on research from Stanford's Huberman Lab, visual focus on a single point for 30-60 seconds triggers neurochemical changes that enhance concentration, increase goal-directed behavior, and reduce perceived effort during cognitive tasks. Key research: Visual focus increases task performance by 23% and reduces effort by 17% (NYU Study, Psychological Science 2019). WHY IT WORKS Your visual system is the gateway to your attention. By training your eyes to focus on a single point, you activate the neural circuits responsible for sustained concentration. This isn't meditation—it's neurochemical priming. WHAT YOU GET • 60-second visual focus sessions • No ads, no subscriptions • Science-backed methodology

Screenshots

Thinkdrop4 screens
Lucent3 screens

Verdict

The call

The clearest difference is in-app purchases: Lucent at none against Thinkdrop's 2. Lucent also leads on iOS requirement (15.1 vs 17.0). On price, 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

Both are free to download. Thinkdrop sells 2 in-app purchases, starting at $2.99 per month. Lucent asks for nothing beyond the download.

Scorecard2 real differences · 8 level
Thinkdrop versus Lucent: the parameters behind the verdict, then further details
ParameterThinkdropLucent
PriceFreeFree
Rating4.3 (35 ratings) — better—
Positive reviews31.3% of reviews—
Number of ratings35 — better—
Update frequencyEvery 3 weeks—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.1 — better
Further details — not scored
Size90 MB36 MB
Age rating4+4+
DeveloperHo Ye LamIgor Steblii

In-app purchases

2 purchases

Thinkdrop

Subscriptions2
  • Think Drop 2 Monthly Premium$2.991 Month
  • Think Drop 2 Annual Premium7 Days trial$23.991 Year
None

Lucent

No in-app purchases

Questions

Is Thinkdrop free?
Thinkdrop is free to download, with in-app purchases available.
Is Lucent free?
Lucent is free to download, with no in-app purchases.
Do Thinkdrop or Lucent have ads?
Neither Thinkdrop nor Lucent shows ads.

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