Comparison

Slym vs Calorie Counter by Numify

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

Head to head
About

Slym

This app simplifies weight loss by focusing on a single principle: consuming fewer calories than your body burns. It provides essential information for achieving personal weight goals without distractions or gimmicks, leveraging a vast food database and barcode scanning for easy logging.

Highlights
  • Calorie tracking
  • Food & nutrition database
  • Barcode scanning
  • Personalized weight loss plan
  • Weight logging
  • Meal reminders
  • Dark mode
Features
Read full description

Slym is designed to make weight loss simple for everyone. Losing weight is made easiest when there is a clear and concise goal that is proven to work. There is only one rule; you must eat fewer calories than your body burns. Slym takes full advantage of this simple fact and only surfaces the information that you need to attain your personal weight goal. No distractions, no gimmicks, just science. Many of us vastly underestimate how many calories are in the foods that we eat. Quick searching, discovery, and privacy are core to Slym. Whether you're beginning a life-changing weight loss journey; or simply wanting to lose those stubborn love handles, Slym will help you become a healthier you. - FOOD & NUTRITION • Quickly search through the #1 food and nutrition database in the world. All of the major brands, restaurant chains, groceries, and more can be found in seconds. BARCODE SCANNING • In a rush or have many food items to log? Quickly scan the barcode to skip the already fast searching process. PRIVACY • There are few things more personal to us than our health. Slym is requesting the absolute minimum amount of information required to properly and effectively calculate your personalized health plan. Slym will never share your private biological information with third parties. • Make use of Sign in with Apple to secure your sensitive information with the trust and authority of Apple. PERSONALIZED WEIGHT LOSS PLAN • Slym utilizes proven science to determine the exact amount of calories that you can eat each day to attain your specific weight loss goals. • Easily view the number of calories that you have remaining in your "daily budget". This number is calculated specifically for you based on just a few health factors. NOTIFICATIONS • Eating at consistent times every day is key to maintaining a healthy metabolism, sleep pattern, and overall health. Not everyone eats breakfast at the same time, so set a reminder that fits your schedule and your lifestyle. WEIGHT LOG • Consistently checking your weight is one of the easiest and most effective ways to keep yourself accountable. Logging weight entries often helps keep you accountable, and also provides a great visualization of your hard work paying off! DARK MODE • Built for those midnight snacks and dark mode lovers.

About

Calorie Counter by Numify

Effortlessly track your food intake and nutritional information with an AI-powered scanner that recognizes meals from photos. Get personalized calorie and macro plans to support weight loss, muscle gain, or maintenance.

Highlights
  • AI Food Scanner for instant nutritional info
  • Barcode scanner for packaged foods
  • Personalized calorie and macro calculator
  • Macro tracker with custom diet plans
  • Water intake tracker
  • Weight progress tracker
Features
Read full description

Looking to make reaching your weight goals easier and faster? Welcome to Calorie Counter by Numify — your all-in-one nutrition companion for smarter eating, healthier habits, and lasting results. Weight management starts with understanding your nutrition. Numify turns calories, macros, and daily habits into clear, actionable insights, helping you make informed decisions without overcomplicating food tracking. Our philosophy is simple: it's always better to log calories and macros — even if it's not perfect — than not to log them at all. By making tracking quick, simple, and forgiving, Numify helps you stay consistent, because lasting results come from the habits you can maintain. Everything you need to understand your nutrition, build healthier habits, and reach your goals: SMART AI FOOD RECOGNITION Take a photo of your meal and instantly get detailed nutrition information. Log meals faster with AI-powered recognition, voice input, and easy editing. BARCODE & NUTRITION LABEL SCANNER Scan barcodes and nutrition labels to quickly log packaged foods without manual searching. EXTENSIVE FOOD DATABASE Access a constantly updated database of 5+ million foods and 100,000+ restaurant items with accurate nutrition information. SCIENCE-BACKED CALORIE CALCULATOR Get a personalized calorie budget based on your body, activity level, and goals using scientifically validated calculations. APPLE HEALTH INTEGRATION Sync workouts, steps, weight, and activity from Apple Health to get a complete view of your daily progress. ACTIVITY TRACKING Track your daily movement and understand how activity affects your calorie goals. CUSTOM CALORIE & MACRO GOALS Set personalized targets for calories, protein, carbs, and fats — or let Numify create a plan that fits your goals. AI NUTRITION COACH Get personalized nutrition advice, meal ideas, and workout tips from your AI-powered health assistant. PERSONALIZED MEAL PLANS Choose meal plans that match your goals and preferences, including Low-Calorie, Keto, Vegan, Mediterranean, and High-Protein options. RECIPES & NUTRITION INSIGHTS Discover healthy recipes, create your own meals, and explore nutrition insights to build better habits. WEIGHT & PROGRESS TRACKING Track your weight over time and visualize your progress with detailed charts. DAILY DASHBOARD View your calories, macros, activity, and nutrition progress in one simple overview. HOME SCREEN WIDGETS Monitor your daily goals and progress directly from your Home Screen. WATER TRACKER Track your daily water intake and stay consistent with your hydration goals. Transform your relationship with food, fitness, and healthy living with Calorie Counter by Numify. Download now and start building healthier habits — one meal at a time. - Terms of Use: https://wellness.municorn.com/terms?app=calorie-counter - Privacy Policy: https://wellness.municorn.com/privacy?app=calorie-counter - CCPA: https://wellness.municorn.com/ccpa?app=calorie-counter - Privacy Supplement: https://wellness.municorn.com/privacy-supplement?app=calorie-counter For any questions or inquiries, please contact us at cc-support@municorn.com

Screenshots

Slym4 screens
Calorie Counter by Numify4 screens

Verdict

The call

The clearest difference is in-app purchases: Slym at none against Calorie Counter by Numify's 31. Slym also leads on iOS requirement (13.2 vs 17.5). Calorie Counter by Numify's advantage is rating (4.7 vs 4.2) and ratings volume (43K vs 150). On price, review sentiment, 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. Calorie Counter by Numify sells 22 in-app purchases, starting at $3.99 per 7 days. Slym asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Calorie Counter by Numify holds the better App Store score, 4.7 against 4.2. That said, the two scores are not equally well evidenced: Calorie Counter by Numify has 43K ratings behind it against 150, so its average is the more settled of the two. Written reviews point the same way: 38% of Slym's written reviews are positive against 45% of Calorie Counter by Numify's.

Scorecard6 real differences · 5 level
Slym versus Calorie Counter by Numify: the parameters behind the verdict, then further details
ParameterSlymCalorie Counter by Numify
PriceFreeFree
Rating4.2 (150 ratings)4.7 (43K ratings) — better
Positive reviews37.9% of reviews45.4% of reviews — better
Number of ratings15043K — better
Update frequency—Weekly
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
Best chart rank—#43 — better
DevicesiPhone, iPod — betteriPhone
Requires iOS13.2 — better17.5
Further details — not scored
Size20 MB263 MB
Age rating12+12+
DeveloperCooper Labs LLCMunicorn Limited

Customer experience

Slym

All ratings151 ratings
Positive81.5%
Neutral3.3%
Negative15.2%
Written reviews29 reviews
Positive37.9%
Neutral0.0%
Negative62.1%

Calorie Counter by Numify

All ratings42,405 ratings
Positive93.6%
Neutral3.2%
Negative3.2%
Written reviews1,533 reviews
Positive45.4%
Neutral8.0%
Negative46.6%

User reviews

Slym

From 150 App Store ratings

What we love

  • 👍 Simple and helpful tracking
  • 👍 Easy to use
  • 👍 Good aesthetic and features
  • 👍 Helps reach goals
  • 👍 Free to use

Room to improve

  • 🐛 Settings inaccessible
  • 🐛 Cannot make goal changes
  • 🐛 Cannot change personal info
  • 🐛 Inaccurate BMR calculation
  • 🐛 Cannot input calories burned

Calorie Counter by Numify

From 43K App Store ratings

What we love

  • 🚀 Easy to use
  • 👍 Helpful for tracking calories and macros
  • 🚀 Convenient barcode scanning
  • 👍 Intuitive interface
  • 🚀 Streamlined calorie tracking

Room to improve

  • 🐛 Inaccurate calorie/macro data
  • 🔒 Paywall for key features
  • 🔒 Limited free version
  • 🐛 Barcode scanner issues
  • 🐛 Inability to manually adjust macros

Bugs and requests

Slym

Reported bugs

13 issues
  • Login button does nothing
  • Cannot create account
  • App crashes on open
  • Sign up screen stuck
  • App won't open
Show 8 more
  • Cannot sign in
  • Sign in page locked up
  • App won't let me login
  • Cannot get past login screen
  • Initial page doesn't load
  • Sign up button unresponsive
  • Cannot sign up
  • Flashing button, nothing happens

Requested features

5 requests
  • Carb count feature
  • Ability to input calories burned
  • Ability to set target calorie intake
  • Add recipe calorie count
  • Simple tutorial or FAQs

Calorie Counter by Numify

Reported bugs

3 issues
  • Subscription issues and billing problems
  • Date/time tracking inaccuracies
  • Inconsistent data display

Requested features

5 requests
  • Integration with fitness trackers
  • Ability to save custom meals/recipes
  • More granular macro tracking options
  • Improved barcode database
  • Customizable goals and settings

In-app purchases

None

Slym

No in-app purchases

22 purchases

Calorie Counter by Numify

Subscriptions22
  • Premium features$3.997 Days
  • Calorie Calculator: Track Food$5.997 Days
  • Plus$5.997 Days
Show 19 more
  • Calorie Counter Plus3 variants$6.997 Days
  • Plus3 Days trial2 variants$9.997 Days
  • Premium$9.997 Days
  • Calorie Counter Plus2 variants$19.991 Month
  • Calorie Counter Plus, Limited Offer$19.991 Year
  • Calorie Counter & Food Tracker$24.993 Months
  • Plus$29.993 Months
  • Calorie Counter & Food Tracker3 Days trial$29.993 Months
  • Premium$29.993 Months
  • Food, Calorie & Macro Counter$29.993 Months
  • Plus$39.993 Months
  • Premium features$49.991 Year
  • Calorie Counter Plus2 variants$59.991 Year
  • Plus3 Days trial$59.993 Months
  • Calorie Counter & Food Tracker$59.991 Year
  • Plus$69.991 Year
  • Calorie Counter & Food Tracker3 Days trial$69.991 Year
  • Premium$69.991 Year
  • Calorie Counter & Food Tracker$69.991 Year

Questions

Is Slym free?
Slym is free to download, with no in-app purchases.
Is Calorie Counter by Numify free?
Calorie Counter by Numify is free to download, with in-app purchases available.
Which has better reviews, Slym or Calorie Counter by Numify?
Calorie Counter by Numify is rated higher. Slym averages 4.2 out of 5 from 150 ratings, while Calorie Counter by Numify averages 4.7 from 43K ratings.
Do Slym or Calorie Counter by Numify have ads?
Neither Slym nor Calorie Counter by Numify shows ads.

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