Comparison

Lumtime vs Weight Log

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

Head to head
About

Lumtime

Create custom LED signs with scrolling text and effects for concerts, events, or everyday communication. Easily personalize fonts, colors, and backgrounds to express yourself in any situation.

Highlights
  • Customizable LED sign effects
  • Personalized fonts, colors, and backgrounds
  • Scrolling text with adjustable speed
  • Various text effects (bold, glow, flash)
  • Landscape and portrait playback
  • Export as GIF or video
  • Library of scene templates
Features
Read full description

Lumtime — a completely free focus & habits & efficiency toolkit. 【AI Voice To-Dos, Habits & Countdowns — Go Hands-Free】 Driving, cooking, or too groggy in the morning? Just say: *"Remind me to study vocab at 8 AM tomorrow"* or *"Submit the report next Wednesday."* The AI instantly understands your intent and automatically creates timed reminders and to-do lists. Supports natural language conversations—jot down fleeting ideas anytime, anywhere. 【Pomodoro Focus — 25-Min Deep Immersion, Beat Distraction】 Based on the scientific Pomodoro Technique: 25 minutes of focus + 5 minutes of rest, with automatic daily focus time tracking. Top grad school preppers average 6+ hours of focus daily—your focus data doesn't lie. Supports custom focus durations, whether it's a 25-minute standard Pomodoro or a 50-minute deep work session. Auto-generates focus reports so you can clearly see your daily progress. 【Smart To-Do List — Never Miss a Task, Never Fail a Plan】 AI smart reminders automatically recognize task time and priority. Exam prep schedules, meeting arrangements, daily chores—leave it all to Lumtime. Supports sub-task splitting, tag categorization, and due date reminders. You can even record your own or a family member's voice as the reminder tone! Powerful recurring reminders (daily/weekly/monthly/yearly/custom). Supports Live Activity + Widgets + iCloud sync. The daily to-do overview tells you exactly what to do the moment you open the app, saying goodbye to "where do I start" anxiety. 【Habit Tracker — 21 Days to Build a Good Habit】 Vocab, practice tests, working out, waking up early... Check in daily and visualize your persistence. Continuous streak days, completion rate stats, and habit heatmaps make self-discipline visible. Supports custom habit frequencies (daily/weekly/custom) to flexibly fit your pace. When you see a 30-day streak, you won't want to break it. 【Countdown — Every Day Brings You Closer to Your Goal】 Grad school countdown, exam countdown, project deadlines... Desktop-level countdown widgets constantly remind you how far away your goals are. Run multiple countdowns simultaneously for different subjects, accurate to the day. Expired countdowns automatically archive into milestone records of your hard work. 【App Lock — Lock Out Temptation, Focus on the Now】 Block social media and games while studying to enforce strict focus. Supports Scheduled Lock (e.g., auto-locking distraction apps from 7 PM to 10 PM during study time) and Manual Lock for spontaneous focus needs. Locked apps cannot be opened—helping you truly achieve "phone in hand, mind in the book." 【More Productivity Tools】 Junk Cleaner: Clear duplicate photos and invalid contacts to free up space and stop phone lag. Calculator: Scientific calculations + history log, an essential for exams and work. Timer: Precise stopwatch + countdown, perfect for oral practice. White Noise: Rain, ocean waves, café—create your focus space. World Clock: See time zones at a glance for global meetings. Currency Converter: Real-time exchange rates for business trips and travel. Why do 100,000+ users choose Lumtime? One app replaces multiple standalone tools, saving space and data. All AI tools are deeply optimized for study and work scenarios—not just a simple pile of features. Pure focus experience. Continuous updates with new practical tools every month. Most features are completely FREE to use! Download Lumtime Assistant today and make every day count! Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Weight Log

Features
Read full description

Weight Log: Accurately Track Every Change with Data and Photos Can't remember weight fluctuations or see body changes? Weight Log, a body management tool focused on precise tracking, helps you clearly archive every change, making persistence no longer blind. ## Why Choose "Weight Log"? 1. Weight + Photos, Dual Tracking for Greater Clarity Photo Archiving: Take a photo each time you weigh in, paired with weight data, to visually compare body changes—progress you can actually see. 2. Calendar + List + Charts, Intuitive Data Presentation Data Integration: Automatically generate charts showing daily, weekly, and monthly changes at a glance, easily grasping fluctuation patterns. 3. Multi-dimensional Data, Comprehensive Body Status Tracking Core Tracking: Precisely record weight, waist circumference, thigh circumference, and other body measurements, giving you full insight into physical changes. 4. Healthy Habit Tracking, Smarter Management Sync Tracking: Log daily habits like diet, exercise, sleep, and water intake to explore their relationship with weight changes, providing scientific basis for health management. 5. Minimalist Operation, Focus on Recording Itself Easy to Use: Start recording immediately upon opening—no complicated setup required—so you can focus purely on tracking. 6. Beautiful Themes, Changing Moods While Recording Multiple Themes: Fresh Green, Energetic Blue, Soft Pink… Switch freely to make tracking feel more ritualistic. 7. Check-in Days + Exclusive Badges, Motivating Your Persistence Achievement System: Every effort is recognized, turning tracking into a lasting habit. >> For Users Like You Currently pursuing fat loss / shaping and wanting clear tracking of weight and body changes Prefer simple weight management without complex features Seek aesthetically pleasing interfaces and enjoy a clean user experience Want to scientifically manage health through habit tracking >> Start Recording Your Changes Now From today onward, let every weighing have meaning. Download "Weight Log", use photos and data, and meet a better version of yourself. Privacy Policy: http://tzjl.beijingmorning.cn/index/yinsi User Agreement: http://tzjl.beijingmorning.cn/index/zhengce

Screenshots

Lumtime4 screens
Weight Log4 screens

Verdict

The call

The clearest difference is update cadence: Weight Log at weekly against Lumtime's every 4 weeks. On price, ads, 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. Lumtime sells 3 in-app purchases, starting at $1.99 per 7 days and Weight Log sells 7 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Lumtime ships an update every 4 weeks, Weight Log weekly. The most recent releases landed on October 3, 2026 and October 9, 2026 respectively.

Scorecard1 real difference · 9 level
Lumtime versus Weight Log: the parameters behind the verdict, then further details
ParameterLumtimeWeight Log
PriceFreeFree
Rating4.9 (17 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings17 — better—
Update frequencyEvery 4 weeksWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPodiPhone, iPod
Requires iOS13 — better14.0
Further details — not scored
Size329 MB126 MB
Age rating4+17+
Developer红品 熊迪 王

In-app purchases

3 purchases

Lumtime

Subscriptions2
  • Merlin ToolKitr Pro (Weekly)$1.997 Days
  • Merlin ToolKit Pro (Monthly)$4.991 Month
One-time1
  • Merlin ToolKit Lifetime Member$39.99
7 purchases

Weight Log

Subscriptions7
  • 包月会员$2.991 Month
  • 年度会员$3.991 Year
  • Monthly Membership$3.991 Month
Show 4 more
  • 季度会员$4.993 Months
  • Quarterly Membership$7.993 Months
  • 年度会员$9.991 Year
  • Annual Membership$11.991 Year

Questions

Is Lumtime free?
Lumtime is free to download, with in-app purchases available.
Is Weight Log free?
Weight Log is free to download, with in-app purchases available.
Do Lumtime or Weight Log have ads?
Neither Lumtime nor Weight Log shows ads.
Which is updated more often, Lumtime or Weight Log?
Lumtime ships an update every 4 weeks, and Weight Log weekly. Most recently, Lumtime was updated on October 3, 2026 and Weight Log on October 9, 2026.

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