Free Lifesum alternatives: 5 apps ranked by verified data

Facts checked Nov 8, 2026AppBreakup editorialHow we rank

5 of the 8 Lifesum alternatives we track can be used for free (free, open source, or with a free plan). MyFitnessPal, Carb Manager and FatSecret rank highest, with facts last verified Nov 8, 2026.

Quick comparison

#	App	Pricing	Verified price	Open source	Platforms	Verified facts	Score
1	MyFitnessPal	Free plan + paid	—	No	iOS, Android, Web	5 of 5	68.8
2	Carb Manager	Free plan + paid	$3.33 a month, billed annually (Premium)	No	Web, iOS, Android	5 of 5	59.4
3	FatSecret	Free plan + paid	—	No	Web, iOS, Android	4 of 4	55.3
4	Zero	Free plan + paid	—	No	iOS, Android	4 of 4	40.9
5	Fastic	Free plan + paid	—	No	iOS, Android	4 of 4	40.9

1. MyFitnessPalTop pick
Best for: People who want the biggest food database and wide device sync for everyday calorie counting
Free plan + paidiOS, Android, Web
68.8
score / 100
Why switch from Lifesum
Larger food database and more integrations, with a familiar calorie-first diary.
Pros
Food database of over 20 million items, incl. restaurant dishes
Syncs with 40+ apps and devices
Photo and voice logging in Premium
Free tier covers basic food and weight tracking
Cons
Barcode scanning needs Premium
Free version shows ads
User-added entries can be duplicated or inaccurate
Visit MyFitnessPal Compare with Lifesum Details and reviews
How this score is calculated
Editorial fit ×0.3100
Reviews ×0.363
Clicks (90 days) ×0.150
Freshness ×0.15100
Votes ×0.150
0 counted reviews, 0 up and 0 down votes. Full formula
Is MyFitnessPal a good Lifesum alternative?
Verified facts
5 of 5 verified
Free plan
Yes
Checked Nov 8, 2026myfitnesspal.com(opens source in a new tab)
Food database
20.5M foods
Checked Nov 8, 2026myfitnesspal.com(opens source in a new tab)
Integrations
40+ apps and devices
Checked Nov 8, 2026myfitnesspal.com(opens source in a new tab)
Free trial
7 days for first-time Premium users
Checked Nov 8, 2026myfitnesspal.com(opens source in a new tab)
Premium logging tools
Barcode Scan, Meal Scan, Voice Log
Checked Nov 8, 2026myfitnesspal.com(opens source in a new tab)
2. Carb Manager
Best for: Keto and low-carb dieters who want net-carb tracking and matching recipes
Free plan + paidWeb, iOS, Android
59.4
score / 100
Why switch from Lifesum
Deeper keto support, including net carbs, ketone tracking and a large low-carb recipe library.
Pros
Built around net carbs and keto macros
Huge low-carb recipe library, with more on Premium
Tracks ketones, glucose and fasting on Premium
Usable free Basic account, on web and mobile
Cons
Meal plans, voice logging and device sync need Premium
Narrow focus is less useful outside low-carb diets
No monthly billing option for Premium
Visit Carb Manager Details and reviews
How this score is calculated
Editorial fit ×0.369
Reviews ×0.363
Clicks (90 days) ×0.150
Freshness ×0.15100
Votes ×0.150
0 counted reviews, 0 up and 0 down votes. Full formula
Is Carb Manager a good Lifesum alternative?
Verified facts
5 of 5 verified
Free plan
Yes (Basic account)
Checked Nov 8, 2026carbmanager.com(opens source in a new tab)
Starting price
$3.33 a month, billed annually (Premium)
Checked Nov 8, 2026carbmanager.com(opens source in a new tab)
Device sync
Fitbit, Garmin (Premium)
Checked Nov 8, 2026carbmanager.com(opens source in a new tab)
Ketone tracking
Yes
Checked Nov 8, 2026carbmanager.com(opens source in a new tab)
Developer
Wombat Apps LLC
Checked Nov 8, 2026carbmanager.com(opens source in a new tab)
3. FatSecret
Best for: Budget-minded dieters who want a free, international food diary on phone and web
Free plan + paidWeb, iOS, Android
55.3
score / 100
Why switch from Lifesum
Free food diary that also works on the web.
Pros
Core calorie and macro diary is free
Large verified database covering many countries and languages
Works on the web as well as iPhone and Android
Community, recipes and meal ideas built in
Cons
Free tier shows ads
No adaptive targets based on your weight trend
Interface feels dated next to newer trackers
Visit FatSecret Details and reviews
How this score is calculated
Editorial fit ×0.363
Reviews ×0.363
Clicks (90 days) ×0.150
Freshness ×0.1585
Votes ×0.150
0 counted reviews, 0 up and 0 down votes. Full formula
Is FatSecret a good Lifesum alternative?
Verified facts
4 of 4 verified
Food database
1.9 million+ verified foods
Checked Nov 8, 2026fatsecret.com(opens source in a new tab)
Platforms
iOS, Android, web
Checked Nov 8, 2026fatsecret.com(opens source in a new tab)
Reach
56 countries, 24 languages
Checked Nov 8, 2026fatsecret.com(opens source in a new tab)
API
Nutrition API for developers
Checked Nov 8, 2026fatsecret.com(opens source in a new tab)
4. Zero
Best for: People who make intermittent fasting their main habit and want light meal tracking alongside
Free plan + paidiOS, Android
40.9
score / 100
Why switch from Lifesum
Fasting-first app with a one-tap timer and simple photo meal logging.
Pros
Simple one-tap fasting timer with history and insights
Photo or text meal logging without weighing food
Protein Score gives one clear daily target
Cons
Most insights and logging need the paid membership
Nutrition tracking is lighter than a dedicated calorie counter
No web version
Visit Zero Details and reviews
How this score is calculated
Editorial fit ×0.37
Reviews ×0.363
Clicks (90 days) ×0.150
Freshness ×0.15100
Votes ×0.150
0 counted reviews, 0 up and 0 down votes. Full formula
Is Zero a good Lifesum alternative?
Verified facts
4 of 4 verified
Meal logging
Photo or text
Checked Nov 8, 2026zerolongevity.com(opens source in a new tab)
Protein Score
Yes
Checked Nov 8, 2026zerolongevity.com(opens source in a new tab)
Water tracking
Personal daily goal
Checked Nov 8, 2026zerolongevity.com(opens source in a new tab)
Free trial
Yes
Checked Nov 8, 2026zerolongevity.com(opens source in a new tab)
5. Fastic
Best for: Fasting beginners who want a timer plus recipes, habit lessons and food tracking in one app
Free plan + paidiOS, Android
40.9
score / 100
Why switch from Lifesum
Intermittent fasting app with recipes, habit courses and an AI food scanner.
Pros
Combines fasting timer, food scanner, water and step tracking
Hundreds of recipes and short habit courses
AI chatbot for nutrition questions
Cons
Many features sit behind the paid subscription
Busier than a plain fasting timer
Only English and German
Visit Fastic Details and reviews
How this score is calculated
Editorial fit ×0.37
Reviews ×0.363
Clicks (90 days) ×0.150
Freshness ×0.15100
Votes ×0.150
0 counted reviews, 0 up and 0 down votes. Full formula
Is Fastic a good Lifesum alternative?
Verified facts
4 of 4 verified
Downloads
30M+
Checked Nov 8, 2026fastic.com(opens source in a new tab)
AI chatbot
NutriChatBot
Checked Nov 8, 2026fastic.com(opens source in a new tab)
Recipes
Hundreds
Checked Nov 8, 2026fastic.com(opens source in a new tab)
Trackers
Water, food, steps, meals
Checked Nov 8, 2026fastic.com(opens source in a new tab)

Quick comparison

1. MyFitnessPalTop pick

Pros

Cons

Verified facts

2. Carb Manager

Pros

Cons

Verified facts

3. FatSecret

Pros

Cons

Verified facts

4. Zero

Pros

Cons

Verified facts

5. Fastic

Pros

Cons

Verified facts