Best Fiber Tracker Apps for iPhone (2026)

The best fiber tracker app for most iPhone users is Grove, a dedicated tracker built on the full USDA food database that also logs gut symptoms. If you want barcode scanning today, FiberUp is the better pick. If you would rather photograph your plate than search for it, Proto logs fastest. Cronometer and MyFitnessPal work if you need full-diet tracking, though fiber gets buried among dozens of other numbers.

Most people who go looking for a fiber tracker start in the wrong place. They open MyFitnessPal, log a few meals, and realize fiber is one tiny row three screens deep, sitting under calories, protein, and a wall of macros they were not trying to count. That works if you want to track everything. It is frustrating if you just want to know whether you hit your fiber goal today.

So the real question is not "which app has the most food." It is "which app is actually built around fiber." Below is an honest look at the options on iPhone in 2026, including where each one wins and where it falls short. I build one of these apps, so I will be upfront about where the others beat mine.

What makes a good fiber tracker app?

Before the roundup, here is the short list of what actually matters when you are counting fiber specifically:

• A real food database. Fiber counts are useless if the app is guessing. Look for apps built on USDA data, not crowdsourced entries.
• Fast logging. You will only track long term if adding a food takes seconds. Barcode scanning, photo logging, and natural serving sizes all help here.
• A daily fiber goal you can trust. 38 grams for men and 25 for women is the baseline, but a good app personalizes it. See how much fiber you need per day for the full breakdown.
• A reason to come back. Streaks, trends, or symptom feedback keep you logging past week one.

No single app nails all four. Here is how the main contenders stack up.

Comparison table: fiber tracker apps at a glance

| App | Best for | Fiber database | Standout feature | Price | |-----|----------|----------------|------------------|-------| | Grove | A dedicated fiber tracker with gut feedback | Full USDA FoodData Central (thousands of foods) | Tracks gut symptoms alongside fiber | Grove+ $4.99/mo or $29.99/yr | | FiberUp | Barcode scanning and plant counting | ~120 USDA foods | Scan-to-log plus plant-diversity count | No subscription | | Proto | Fastest logging | Computer-vision estimates | Photograph your plate to log | Freemium | | Cronometer | Clinical-grade nutrient detail | Large, lab-verified | Micronutrient depth and data export | Freemium | | MyFitnessPal | Tracking a whole diet | 11M+ crowdsourced foods | Massive food catalog | Freemium | | Plant Power | Plant diversity for gut health | Plant-focused | Counts unique plants per week | Freemium |

The best dedicated fiber tracker: Grove

Grove is the app I built, so treat this section with the appropriate skepticism. Here is the honest case for it.

Grove is a dedicated fiber tracker, not a calorie app with a fiber field bolted on. It runs on the full USDA FoodData Central database, so you are logging real numbers for thousands of foods rather than a short built-in list. It sets a personalized daily fiber goal from the USDA Dietary Guidelines and Institute of Medicine recommendations, logs foods in natural serving sizes like "1 medium avocado" or "1 cup," keeps a daily streak, and syncs to Apple Health.

The part no other app on this list does: Grove tracks gut symptoms next to your fiber. You can log bloating, digestion, energy, and mood, then see how they move as your fiber intake changes over time. Fiber is not really the goal for most people. Feeling better is. Grove is built around that connection. It is also privacy-first, running on-device with no account, no ads, and no tracking. Grove+ ($4.99/mo or $29.99/yr) unlocks full history, weekly trends, a monthly calendar, and gut insights.

Where Grove falls short: it does not have barcode scanning yet, and it does not do photo or AI meal logging. If those are dealbreakers, one of the apps below will serve you better today. That is a real gap, and I am not going to pretend otherwise.

The best fiber app with barcode scanning: FiberUp

FiberUp is the other genuinely dedicated fiber app, and on one feature it clearly beats Grove: it has barcode scanning. If most of what you eat comes in packaging, scanning a label is faster than searching, and that alone can make FiberUp the right call for you.

It also has a clean progress ring and a plant-count feature that nudges you toward eating a wider variety of plants, which is a smart proxy for gut health. There is no subscription.

The tradeoff is the database. FiberUp is built on roughly 120 USDA foods. That covers the basics, but if you eat a lot of whole or less common foods, you will hit the edges of that list quickly. This is the clearest place Grove pulls ahead, since Grove draws on the entire USDA database rather than a curated subset. Pick FiberUp if barcode scanning matters more to you than database depth.

The fastest way to log: Proto

Proto tracks both protein and fiber, and its headline feature is speed. Instead of searching for foods, you photograph your plate and its computer vision estimates what is on it. For anyone who has abandoned tracking because searching felt like a chore, this is a real answer to the friction problem. It also has a progress bar, reminders, and saved meals for repeat offenders like your usual breakfast.

The tradeoff with any photo-based logging is precision. A camera estimate of the fiber in your lunch is a smart guess, not a lab measurement, and portion sizes are hard to read from an image. If you want the fastest possible logging and can accept approximate numbers, Proto is excellent. If you want exact fiber counts, a database-driven app will serve you better.

The clinical option: Cronometer

Cronometer is the choice for people who want to track everything with precision. Its food data is lab-grade, it covers dozens of micronutrients, and it lets you export your data, which matters if you are working with a dietitian or managing a health condition.

The catch, for fiber specifically, is focus. Fiber is one of many nutrients in Cronometer, not the main event. You get accuracy, but you also get a dense dashboard where fiber competes for attention with vitamins, minerals, amino acids, and more. If you love detail, you will love Cronometer. If you only care about fiber, it is more app than you need.

The everything app: MyFitnessPal

MyFitnessPal has the largest food catalog here, north of 11 million entries, and almost anything you eat is already in it. That reach is the whole appeal.

But MyFitnessPal is a calorie app first. Fiber is buried among the macros, tracking it well often requires a paid tier, and the crowdsourced database means fiber numbers vary in quality from entry to entry. If you are already a MyFitnessPal user and just want to keep an eye on fiber, you can. If fiber is your actual goal, a dedicated tracker will make the number a lot easier to see and hit.

Which fiber tracker should you choose?

Here is the honest decision, stripped down:

• You want an app built around fiber, with feedback on how you feel: Grove.
• You want to scan barcodes and count plants: FiberUp.
• You want to log by taking a photo: Proto.
• You want clinical-grade nutrient tracking and data export: Cronometer.
• You want to track your entire diet, fiber included: Cronometer or MyFitnessPal.

None of these is the "best" for everyone. The best fiber tracker app is the one whose logging style you will still be using in a month. Once you have picked one, the next step is knowing what to actually eat. Start with our list of high-fiber foods and the fibermaxxing guide if you want to seriously push your intake up.

Frequently asked questions

What is the best fiber tracker app for iPhone?

For a tracker built specifically around fiber, Grove is the strongest all-around pick on iPhone, thanks to the full USDA database, personalized daily goals, and gut-symptom tracking. If barcode scanning is a must-have, FiberUp is the better fit, and Proto is best if you prefer to log by photo.

Is there an app that only tracks fiber?

Yes. Grove and FiberUp are both dedicated fiber apps rather than calorie counters with a fiber field. Grove leans on the full USDA database and adds gut-symptom tracking, while FiberUp uses a smaller food list but includes barcode scanning and plant counting.

Can I track fiber in MyFitnessPal or Cronometer?

You can. Both track fiber as part of full-diet logging. The downside is that fiber sits among dozens of other nutrients, so it is harder to see at a glance. Cronometer is more accurate, MyFitnessPal has more foods, and neither is built around fiber the way a dedicated app is.

Which fiber app has barcode scanning?

FiberUp has barcode scanning, which makes it fast for logging packaged foods. Grove does not offer barcode scanning yet, so if that feature is essential to you, FiberUp is the better choice today.

How much fiber should I be tracking toward each day?

The Institute of Medicine recommends about 25 grams per day for women and 38 grams for men, though your ideal target varies with age and calorie intake. Most Americans get only about half that. See our guide on how much fiber you need per day for the full picture.

Do fiber tracker apps cost money?

Most use a freemium model. FiberUp has no subscription, while Grove, Proto, Cronometer, and MyFitnessPal offer paid tiers that unlock deeper history and insights. Grove+ runs $4.99 per month or $29.99 per year and adds full history, weekly trends, and gut insights.

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If you want a tracker built around fiber and how it makes you feel, not just calories, give Grove a look. It downloads at no cost on the App Store, sets your personal daily goal in about a minute, and keeps your data on your device. Get Grove for iPhone.