Comparison

Dietfit vs Lighten

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

Head to head
About

Dietfit

This app uses AI to help you lose weight by tracking calories, managing your deficit, and building personalized diet plans. It offers features like meal scanning, an AI coach, and progress visualization to support your health journey.

Highlights
  • AI-powered calorie and nutrition tracking
  • Personalized diet and weight goals
  • Meal scanning for quick logging
  • AI Coach for personalized guidance
  • Visual food journal and progress reports
  • Habit-building features like streaks and challenges
Features
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Dietfit - AI Calorie Tracker for Weight Loss & Diet Dietfit helps you lose weight, track calories, manage your calorie deficit, and build a diet plan that fits your personal goals. → Dietfit combines AI and personal data to help you manage your entire weight journey in one app. UNDERSTANDS YOU FROM THE START Dietfit personalizes the experience based on each user’s information. • Set personalized goals for weight loss, weight maintenance, or weight gain • Set calorie and nutrition goals • Adjust your experience based on the data you provide SCAN MEALS & TRACK CALORIES WITH AI Track your diet faster without manually entering every meal. • Scan meals with AI • Quick Scan to log meals faster • Deep Scan to identify individual ingredients in detail • Track calories, protein, fiber, macros, and nutrition • Save frequently eaten meals for quicker logging TRACK CALORIES IN & CALORIES OUT Dietfit helps you see both sides of weight management. • Track calories in from your diet • Track activity and calories out through Apple Health, Strava, Garmin, and Oura • Manage your calorie deficit AI COACH PERSONALIZED WITH YOUR DATA Chat with your AI Coach, Sara, to better understand your diet and progress. • Get suggestions based on your information and data in Dietfit • AI Coach uses your context to provide more relevant responses • The more data available, the more context Dietfit has to personalize your experience LOOK BACK AT YOUR FULL JOURNEY Dietfit does more than record numbers. It helps you understand what has happened over time. • Food Story turns your eating history into a visual food journal • See how consistently you log meals and which foods you eat most often • Generate weekly or monthly reports to review your progress TURN DISCIPLINE INTO HABITS A plan only works when you can stick to it. • Streak: maintain your daily meal-logging streak • Challenge: complete daily and weekly goals • Fitpoints: earn points by completing challenges • Use rewards to protect or restore your Streak • Check your progress quickly from widgets on your home screen YOUR HEALTH, IN ONE ECOSYSTEM Calories • Weight Loss • Calorie Deficit • Diet • Nutrition • Food • Fitness • Gym • Weight • AI Coach • Streak • Challenge • Community SUBSCRIPTION INFORMATION Dietfit AI is a premium service. You can download the app for free and start a 3-day free trial. After the trial ends, a subscription is required to continue using the AI food analysis, meal logging, and health insights. • Payment will be charged to your iTunes Account at confirmation of purchase. • Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. • You can manage your subscription in your App Store Account Settings. Terms of Use: https://dietfit.health/en/terms-of-service Privacy Policy: https://dietfit.health/en/privacy-policy EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Lighten

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With the help of AI, you can now have guided sessions that go beyond standard meditation. Each one begins with a personalized reflection of your thoughts, then gently transitions into a guided meditation. No teacher required. Features: - AI-generated sessions that combine reflection and meditation - Designed to bring calm, clarity, and relief - Options to choose your preferred duration and meditation type - A built-in journal to note down your thoughts - Privacy-first design: your entries are stored on your device and never sold Disclaimer: Sessions are generated by AI and may not always be perfect. Use your common sense, and let me know if you notice anything odd. Use of this app is subject to the Terms of Use: https://drive.proton.me/urls/3FG4ETCT9G#71mMdjUFq4Js

Screenshots

Dietfit4 screens
Lighten4 screens

Verdict

The call

The clearest difference is update cadence: Dietfit at every 3 days against Lighten's every 4 weeks. Lighten's advantage is iOS requirement (13.0 vs 16.0). 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. Dietfit sells 10 in-app purchases, starting at $6.79 per month and Lighten sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Dietfit ships an update every 3 days, Lighten every 4 weeks. The most recent releases landed on November 8, 2026 and October 28, 2026 respectively.

Scorecard2 real differences · 8 level
Dietfit versus Lighten: the parameters behind the verdict, then further details
ParameterDietfitLighten
PriceFreeFree
Rating4.8 (37 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings37 — better—
Update frequencyEvery 3 days — betterEvery 4 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone, iPod — better
Requires iOS16.013.0 — better
Further details — not scored
Size448 MB32 MB
Age rating4+4+
Developerc0x12c Inc.Cyriel de Ceuninck van Capelle

In-app purchases

10 purchases

Dietfit

Subscriptions10
  • Monthly discount3 Days trial$6.791 Month
  • Monthly3 Days trial$7.991 Month
  • Monthly3 Days trial$11.991 Month
Show 7 more
  • Monthly3 Days trial$19.991 Month
  • Yearly3 Days trial$49.991 Year
  • Yearly3 Days trial$56.991 Year
  • Yearly Special Offer1 Year trial$56.991 Year
  • Yearly Plan3 Days trial$59.991 Year
  • Yearly3 Days trial$84.991 Year
  • Yearly3 Days trial$99.991 Year
3 purchases

Lighten

One-time3
  • 5 meditation sessions$2.99
  • 15 meditation sessions$7.99
  • 50 meditation sessions$24.99

Questions

Is Dietfit free?
Dietfit is free to download, with in-app purchases available.
Is Lighten free?
Lighten is free to download, with in-app purchases available.
Do Dietfit or Lighten have ads?
Neither Dietfit nor Lighten shows ads.
Which is updated more often, Dietfit or Lighten?
Dietfit ships an update every 3 days, and Lighten every 4 weeks. Most recently, Dietfit was updated on November 8, 2026 and Lighten on October 28, 2026.

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