Comparison

LightFasting vs CaffeineLog

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

Head to head
About

LightFasting

This app offers a scientific approach to weight loss by guiding users through a slightly high-intensity diet. It includes tools for calorie conversion, calculating ideal weight, basal metabolic rate, and BMI, along with tracking weight changes and energy intake.

Highlights
  • High-intensity diet guidance
  • Calorie and Joule conversion
  • Standard weight calculator
  • Basal metabolic rate calculator
  • Body mass index calculator
  • Energy intake tracking
  • Weight change tracking
Features
Read full description

If you can't stick to the exercise, what if you can't see the effect of dieting? Use the "Light Diet" App to help you lose weight faster and more scientifically. -- Traditional dieting specifies the length of time by timer, but it is not only inefficient, but also needs to keep an eye on the time. It is easy for people to give up halfway because of too much trouble. Light dieting is different. Light dieting on a daily basis can effectively reduce the weight of people with excessive daily energy intake through a slightly high-intensity diet. Believe that as long as you persist, you will be able to get rid of the harm of overweight! The product also includes the following extension tools: Calorie Joule conversion (the energy on the bottle bag can finally be easily converted) Standard weight calculator Basal metabolic rate calculator Body mass index calculator Energy intake record Weight change record

About

CaffeineLog

Easily record and manage your daily caffeine intake to support a healthy lifestyle. Diagnose optimal consumption, track over 300 beverage types, and visualize your intake patterns over time. Sync data seamlessly across devices for convenient access.

Highlights
  • Support appropriate caffeine intake diagnosis
  • Record from over 300 beverage types
  • Customizable logs with tags, images, and notes
  • Visual data display with time-series charts
  • Seamless device synchronization via iCloud
  • Pattern analysis by day, week, month, and year
Features
Read full description

Caffeine Log is the ultimate app for effectively recording and managing your daily caffeine consumption, supporting a healthy lifestyle. With a rich set of features and intuitive operations, firmly control your caffeine intake! Main Features Support Appropriate Caffeine Intake Diagnose the optimal caffeine intake based on your user information. Protect your health while enjoying a comfortable caffeine life. Rich Caffeine Data Easily select and record from over 300 types of beverages. Support detailed logging with a wide variety of choices like coffee, tea, energy drinks, and more. Customizable Records Tagging, image attachments, and note additions are possible. Create your own detailed caffeine log. Visual Data Display Instantly check your daily intake and current caffeine level in your body. Track the digestion process with time-series charts. Seamless Device Synchronization iCloud compatible, synchronizing data across multiple devices like iPhone, iPad, Apple Watch, and more. Accessible anytime, anywhere. Highlight Feature for Pattern Analysis Check your caffeine intake and patterns by day, week, month, and year. Review your caffeine habits and aim for a healthier lifestyle. Premium Features Unlimited Customization Unlimited addition of brands and beverages Unlimited editing and adding of categories and foods Unlimited editing and adding of tags Exclusive Design Access to exclusive highlight cards Customizable theme colors Future Premium Features Enjoy the latest features with the ever-evolving Caffeine Log. Manage your caffeine intake smartly with Caffeine Log and achieve a healthy and balanced daily life! Download now and enhance your caffeine experience.

Screenshots

LightFasting4 screens
CaffeineLog4 screens

Verdict

The call

The clearest difference is price: CaffeineLog at Free against LightFasting's $0.99. CaffeineLog also leads on update cadence (every 2 days vs every 2 months) and review sentiment (100% vs 83%). LightFasting's advantage is in-app purchases (none vs 2) and iOS requirement (14.0 vs 17.0). On rating, 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

CaffeineLog is free to download; LightFasting costs $0.99 up front. CaffeineLog sells 2 in-app purchases, starting at $1.99 per month. LightFasting asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for LightFasting against 5.0 for CaffeineLog. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews are what separate them: 83% of LightFasting's written reviews are positive against 100% of CaffeineLog's.

UpkeepUpdate frequency

LightFasting ships an update every 2 months, CaffeineLog every 2 days. The most recent releases landed on October 2, 2026 and September 29, 2026 respectively.

Scorecard7 real differences · 3 level
LightFasting versus CaffeineLog: the parameters behind the verdict, then further details
ParameterLightFastingCaffeineLog
Price$0.99Free — better
Rating5.0 (1 ratings)5.0 (3 ratings)
Positive reviews83.3% of reviews100.0% of reviews — better
Number of ratings13 — better
Update frequencyEvery 2 monthsEvery 2 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFreemium — better
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, Apple Watch
Requires iOS14.0 — better17.0
Further details — not scored
Size44 MB50 MB
Age rating12+4+
Developer兴龙 张Yugo Matsuda

Customer experience

LightFasting

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews6 reviews
Positive83.3%
Neutral16.7%
Negative0.0%

CaffeineLog

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

LightFasting

No in-app purchases

2 purchases

CaffeineLog

Subscriptions2
  • Premium Monthly Plan7 Days trial$1.991 Month
  • Premium Yearly Plan7 Days trial$14.991 Year

Questions

Is LightFasting free?
LightFasting costs $0.99, with no in-app purchases.
Is CaffeineLog free?
CaffeineLog is free to download, with in-app purchases available.
Which has better reviews, LightFasting or CaffeineLog?
LightFasting and CaffeineLog are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.
Do LightFasting or CaffeineLog have ads?
Neither LightFasting nor CaffeineLog shows ads.
Which is updated more often, LightFasting or CaffeineLog?
LightFasting ships an update every 2 months, and CaffeineLog every 2 days. Most recently, LightFasting was updated on October 2, 2026 and CaffeineLog on September 29, 2026.

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