Comparison

Stupid Simple Macro Tracker vs Carbon

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

Head to head
About

Stupid Simple Macro Tracker

This app simplifies macro tracking for weight loss and muscle building. It allows you to eat freely as long as your intake fits your daily fat, protein, and carb goals. Features include a barcode scanner, custom meal creation, and progress tracking.

Highlights
  • Macro nutrient tracking (fat, protein, carbs)
  • Barcode scanner with food database
  • Customizable daily nutrition goals
  • Log up to 8 meals daily
  • Progress photos and tracking
  • Intermittent fasting support
  • Workout calorie integration
Features
Read full description

Join 2.7 million people who chose simplicity over stress. Stupid Simple Macro Tracker is the app people switch to when they're done fighting with the other guys. Tired of cluttered dashboards, screen-hijacking ads, and menus that make logging a simple food feel like filing your taxes? Done paying annual subscription fees that keep climbing? We took a different path — and 2.7 million users agree it was the right one. What makes us different: * Actually simple — log a meal in seconds with custom food icons you build once and tap forever. Most users are up and running in minutes, not days * The Food Bank — save up calories for date night, a party, or the weekend without blowing your goals * Positive habit forming — our clean, judgment-free layout makes tracking so quick and painless that users tell us they never miss a day * No ad torture — our optional short ads are unobtrusive, not screen-hijacking interruptions * Lifetime Premium for less than the other guys charge per year — pay once, own it forever * Responsive support — real humans who actually reply Everything you need to meet your gaols: * Daily macro, calorie, fiber, and water tracking displayed front and center. No need to hunt for it. * Fast food logging with personal food icons * Barcode scanner — scan a label and move on with your day * Custom foods and meals * Apple Health integration to earn extra macros from workouts * Intermittent fasting support * Flexible, customizable meal times * Home Screen widget * Free device sync Go Lifetime Premium once. Use it forever. With Lifetime Premium, there’s no renewal, no price hikes, and no regret. Just the full experience at a price that beats what the competition charges you every single year. Eat whatever you want, as long as it fits your macros. You have nothing to lose but your excuses. From the makers of Stupid Simple Keto.

About

Carbon

This app provides personalized nutrition plans for weight loss, muscle gain, or maintenance. It adapts your plan as you progress and offers a comprehensive food tracker with a large database and barcode scanner. It supports various diet preferences and allows for custom meal planning.

Highlights
  • Personalized nutrition plans
  • Adaptive plan adjustments
  • Comprehensive food logging
  • Barcode scanner
  • Diet preference customization
  • Diet planner for flexible eating
Features
Read full description

Carbon Diet Coach is your nutrition solution for results that LAST. Whether your goal is to lose fat, build muscle, improve your metabolism, or simply maintain your weight, Carbon Diet Coach removes the guesswork. Carbon Diet Coach is a science-based nutrition app designed by renowned nutrition coaches Dr. Layne Norton (Ph.D. Nutritional Sciences) and Registered Dietitian Keith Kraker (BS Dietetics). It does everything a normal nutrition coach would but at a fraction of the cost. Simply select your goal, answer a few short questions, and it does the rest! You will get a customized nutrition plan based on YOUR goals and metabolism. What's more, Carbon will adjust the plan as you progress to optimize your results. If you hit a plateau or stall, Carbon will make adjustments to keep you progressing towards your goal, just like any good coach would. Our coaching system uses the latest techniques in nutrition science to make sure you get the best results possible. All you need to do is follow these simple steps: ∙ Log your food using the built-in food tracker ∙ Log your body weight ∙ Check-in each week Do that and Carbon does the rest! Carbon Diet Coach can do things other nutrition coaching apps can’t do. For example, your nutrition plan can be tailored to your diet preference: ∙ Balanced ∙ Low Carb ∙ Low Fat ∙ Ketogenic ∙ Plant-Based Each setting is completely customizable so that you receive a plan that is sustainable for YOU! Another feature that makes Carbon unique is the diet planner. Want high and low-calorie days rather than eating the same foods every day? Use the diet planner to set up your week and stay on track. Overate on one day and not sure what to do with your nutrition plan for the rest of the week? Adjust the diet planner to account for what you overate and Carbon does the rest! Other coaching features include: ∙ Adjustable check-in days ∙ Check-in explanations so you're never left wondering why the app did or didn’t make a change ∙ Check-in history so you can look back and see why the app made various adjustments ∙ Charts showing your weight, body fat, lean body mass, calorie intake, protein intake, carbohydrate intake, fat intake, and metabolic rate ∙ Early check-in feature for those who can’t always check in on their specified day ∙ Goal tracker so you can see the progress you’ve made and how close you are to your goal ∙ Recommendations after you reach a goal so you can plan for what's next and KEEP your results ∙ Integrates with Apple Health to automatically read Body Weight and Body Fat values Already know what you are doing with nutrition and don’t need Carbon to coach you? No problem, you can enter your nutrition targets and simply use the food tracker. Beyond the amazing coaching features of this app is a food tracker that's excellent in its own right. Its features include: ∙ A huge food database ∙ Barcode scanner ∙ Quick add macros ∙ Copy meals ∙ Favorite foods ∙ Create custom foods ∙ Create custom recipes No matter what your goal is, Carbon Diet Coach is your solution. Simple. Scientific. Sustainable. App Subscriptions: ∙ Monthly ∙ 6 Months ∙ Yearly The subscription period will automatically renew unless auto-renew is turned off at least 24 hours before the end of the current subscription period. To turn this function off, simply go to your iTunes account and turn off auto-renew. Renewal payments will differ depending on subscription and pricing at the time of renewal. Your iTunes account will be charged when the purchase is confirmed. Food database powered by FatSecret: https://fatsecret.com Terms and Conditions: https://joincarbon.com/terms-and-conditions/ Privacy Policy: https://joincarbon.com/privacy-policy/

Screenshots

Stupid Simple Macro Tracker4 screens
Carbon4 screens

Verdict

The call

The clearest difference is ads: Carbon at none against Stupid Simple Macro Tracker's shown. Carbon also leads on update cadence (weekly vs monthly) and review sentiment (79% vs 65%). Stupid Simple Macro Tracker's advantage is device support (3 vs 1). On price, rating, ratings volume and in-app purchases 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. Stupid Simple Macro Tracker sells 13 in-app purchases, starting at $6.99 per month and Carbon sells 9 in-app purchases, starting at $11.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Carbon holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 8K and 8.1K respectively. Written reviews point the same way: 65% of Stupid Simple Macro Tracker's written reviews are positive against 79% of Carbon's.

UpkeepUpdate frequency

Stupid Simple Macro Tracker ships an update monthly, Carbon weekly. Both last shipped on November 1, 2026.

Scorecard5 real differences · 6 level
Stupid Simple Macro Tracker versus Carbon: the parameters behind the verdict, then further details
ParameterStupid Simple Macro TrackerCarbon
PriceFreeFree
Rating4.6 (8K ratings)4.8 (8.1K ratings) — better
Positive reviews64.6% of reviews79.4% of reviews — better
Number of ratings8K8.1K — better
Update frequencyMonthlyWeekly — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank—#84 — better
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better16.6
Further details — not scored
Size162 MB106 MB
Age rating12+17+
DeveloperVenn Interactive, Inc.Reform LLC

Customer experience

Stupid Simple Macro Tracker

All ratings7,924 ratings
Positive90.9%
Neutral3.3%
Negative5.8%
Written reviews260 reviews
Positive64.6%
Neutral8.5%
Negative26.9%

Carbon

All ratings8,002 ratings
Positive95.9%
Neutral1.4%
Negative2.6%
Written reviews452 reviews
Positive79.4%
Neutral6.4%
Negative14.2%

User reviews

Stupid Simple Macro Tracker

From 8K App Store ratings

What we love

  • 💯 Excellent for tracking macros
  • 🚀 Extremely easy and simple to use
  • 👍 Helpful for weight loss and fitness goals
  • 🔍 Useful barcode scanning feature
  • 💰 Good value for one-time payment

Room to improve

  • 🐛 Bugs and glitches with recent updates
  • 🔒 Premium features locked behind paywall
  • 🔍 Limited food database, especially for international items
  • 🤔 Confusing interface and navigation for some users
  • 🔢 Inaccurate macro calculations at times

Carbon

From 8.1K App Store ratings

What we love

  • 🚀 Easy to use
  • 👍 Flexible and customizable
  • 🔍 Accurate food database
  • 💡 Helpful coaching and adjustments
  • 🤝 Responsive customer support

Room to improve

  • 🐛 Limited food database for some regions
  • 🤔 Strict adherence required for adjustments
  • 🤷‍♀️ Lack of exercise tracking integration

Bugs and requests

Stupid Simple Macro Tracker

Reported bugs

4 issues
  • App resets user data and progress
  • Syncing and connectivity issues
  • Scanning feature not working consistently
  • Macro calculations not matching nutrition labels

Requested features

5 requests
  • Add more robust recipe and meal planning features
  • Integrate with fitness tracking and Apple Health
  • Improve search functionality and food database
  • Allow more customization of macro goals and settings
  • Add support for tracking additional nutrients like fiber

Carbon

Reported bugs

2 issues
  • Occasional app crashes or freezes
  • Issues with resetting account data

Requested features

4 requests
  • Add water intake tracking
  • Improve barcode scanning functionality
  • Allow more flexibility in macro adjustments
  • Integrate with fitness trackers

In-app purchases

13 purchases

Stupid Simple Macro Tracker

Subscriptions9
  • Premium Monthly3 Days trial$6.991 Month
  • Premium Monthly7 Days trial$6.991 Month
  • Premium w/ Nutrition Coach3 Days trial$34.991 Month
Show 6 more
  • Premium Yearly7 Days trial$34.991 Year
  • Annual Premium14 Days trial$34.991 Year
  • Premium w/ Nutrition Coach3 Days trial$39.991 Month
  • Premium w/ Nutrition Coach7 Days trial$89.993 Months
  • Premium w/ Nutrition Coach7 Days trial$99.993 Months
  • Premium w/ Nutrition Coach7 Days trial$399.991 Year
One-time4
  • Lifetime AI Upgrade$29.99
  • Lifetime Premium - On Sale!$49.99
  • Lifetime Premium$69.99
Show 1 more
  • Lifetime Premium with AI$99.99
9 purchases

Carbon

Subscriptions9
  • Monthly Subscription$11.991 Month
  • Monthly Subscription7 Days trial$11.991 Month
  • Monthly Subscription14 Days trial$11.991 Month
Show 6 more
  • Six Month Subscription$59.996 Months
  • Six Month Subscription7 Days trial$59.996 Months
  • Six Month Subscription14 Days trial$59.996 Months
  • Yearly Subscription$99.991 Year
  • Yearly Subscription7 Days trial$99.991 Year
  • Yearly Subscription14 Days trial$99.991 Year

Questions

Is Stupid Simple Macro Tracker free?
Stupid Simple Macro Tracker is free to download, with in-app purchases available.
Is Carbon free?
Carbon is free to download, with in-app purchases available.
Which has better reviews, Stupid Simple Macro Tracker or Carbon?
Carbon is rated higher. Stupid Simple Macro Tracker averages 4.6 out of 5 from 8K ratings, while Carbon averages 4.8 from 8.1K ratings.
Do Stupid Simple Macro Tracker or Carbon have ads?
Stupid Simple Macro Tracker shows ads; Carbon does not.
Which is updated more often, Stupid Simple Macro Tracker or Carbon?
Stupid Simple Macro Tracker ships an update monthly, and Carbon weekly. Most recently, Stupid Simple Macro Tracker was updated on November 1, 2026 and Carbon on November 1, 2026.

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